Unseen Passages for Class 8 with Multiple Choice Questions

Unseen passages also known as Reading comprehension passages are important because they help students develop and improve their reading skills.

Unseen passages are a valuable resource for assisting students in becoming better readers, writers, and critical thinkers.

In this post, we present you the top 10 Unseen Passages for Class 8 with Multiple Choice Questions. These passages are designed to challenge and improve your reading comprehension skills.

Unseen Passages for Class 8 with Multiple Choice Questions

Unseen Passages for Class 8 with Multiple Choice Questions #1

Chameleons can change their skin colour, but not because they choose to. The chameleon changes colour to help it avoid its enemies. It is a form of camouflage, a disguise that allows it to blend in with its surroundings. The change is actually determined by environmental factors such as light and temperature.

Bright sunlight darkens the skin. On cool nights, the colour fades to a creamy colour. The colour changes when the chameleon is excited, angry or scared. The colour change is rapid and increases when the chameleon is handled, injured, or approached by another chameleon. There are many types of chameleons. Almost half of them are found on the African island of Madagascar. Others occur mostly in the Sahara desert, with a few in western Asia and southern Europe. Chameleons live in trees, where they usually eat insects. Very large chameleons can even use their sticky tongues to catch birds.

What is the reason for a chameleon to change its skin colour?
A) To attract its prey
B) To communicate with other chameleons
C) To blend in with its surroundings
D) To show off its beauty

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What factors determine a chameleon’s colour change?
A) The food it eats
B) The time of day
C) Light and temperature
D) The size of the chameleon

How does bright sunlight affect a chameleon’s skin colour?
A) It lightens the skin
B) It darkens the skin
C) It turns the skin blue
D) It has no effect on the skin colour

In which type of habitat do chameleons primarily live?
A) Underwater
B) Desert
C) Grasslands
D) Trees

What do chameleons usually eat?
A) Plants
B) Small mammals
C) Fish
D) Insects

How do chameleons catch their prey?
A) By using their claws
B) By using their teeth
C) By using their sticky tongues
D) By using their tails

Where are almost half of all chameleons found?
A) Africa
B) Asia
C) Europe
D) Australia

What happens to a chameleon’s skin colour when it’s excited, angry, or scared?
A) It turns yellow
B) It turns blue
C) It changes rapidly
D) It remains the same

What is the purpose of a chameleon’s camouflage?
A) To attract its prey
B) To communicate with other chameleons
C) To avoid its enemies
D) To regulate body temperature

Can chameleons catch birds with their sticky tongues?
A) Yes
B) No

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Unseen Passages for Class 8 with Multiple Choice Questions #2

In British history, the period from 1837 to 1901 is called the Victorian era. The period saw Queen Victoria‘s long and prosperous reign in England. Charles Dickens was the most popular novelist of this period. He became famous for working-class life, complex plots and sense of humour. However, it was the vast galaxy of unusual characters he created that made him more popular than his contemporaries. These characters, drawn from everyday life and the world around them, were such that readers could relate to them.

Beginning with The Pickwick Papers in 1836, Dickens wrote numerous novels, each filled with uniquely believable characters and vivid physical descriptions. According to Dickens’s friend and biographer, John Forster, Dickens created the real existence of characters, not by describing them but by describing them themselves.

What is the name of the period in British history that saw Queen Victoria’s long and prosperous reign in England?
A) The Elizabethan era
B) The Georgian era
C) The Victorian era
D) The Edwardian era

Who was the most popular novelist of the Victorian era?
A) William Shakespeare
B) Jane Austen
C) Charles Dickens
D) Virginia Woolf

What was Charles Dickens famous for in his novels?
A) Working-class life
B) Science fiction
C) Romance
D) Political commentary

What made Dickens more popular than his contemporaries?
A) His complex plots
B) His sense of humour
C) His vivid physical descriptions
D) His vast galaxy of unusual characters

What was the first novel written by Dickens?
A) David Copperfield
B) A Tale of Two Cities
C) Great Expectations
D) The Pickwick Papers

How did Dickens create the real existence of his characters, according to his friend and biographer John Forster?
A) By describing their surroundings in great detail
B) By describing their appearance in great detail
C) By describing their thoughts and feelings in great detail
D) By describing themselves

What kind of characters did Dickens draw from in his novels?
A) Fantasy Creatures
B) Historical figures
C) Everyday life and the world around him
D) Superheroes

What was the hallmark of Dickens’s characters?
A) They were all rich and famous
B) They were all royalty
C) They were all unusual and eccentric
D) They were all dull and unremarkable

How many novels did Charles Dickens write during the Victorian era?
A) A few
B) Several
C) Many
D) None

In which year did Queen Victoria’s reign end, marking the end of the Victorian era?
A) 1901
B) 1910
C) 1939
D) 1945

Unseen Passages for Class 8 with Multiple Choice Questions #3

If a country should have a message for its people, it should be a message of human dignity. The ideals of a nation should be freedom of thought, speech, press, right of assembly and right of worship. A country should boldly declare to a world dominated by tyrants that “all men are created equal and endowed by their Creator with certain unalienable rights” and “among them life, liberty and the pursuit of happiness”. It should be the source of strength and power for a nation. If people have the freedom to live their lives with dignity, they can function with a sound mind and physical health.

A country’s moral, political and economic status lies in the strength of its people. A nation should strive to become a more perfect, perfect country where people are given a commitment and hope in their hearts to work and cherish freedom, justice and opportunity. We don’t always get what we want when we want it, but it’s always good to believe that someday, somehow, we will get what we want.

What message should a country have for its people?
A) A message of human dignity
B) A message of power and strength
C) A message of superiority over other nations
D) A message of domination over other nations

What are the ideals of a nation, according to the passage?
A) Freedom of thought, speech, press, right of assembly, and right of worship
B) Authoritarianism, suppression of thought and speech, censorship, and forced religious adherence
C) Monarchy, aristocracy, and theocracy
D) Totalitarianism, fascism, and communism

What should a country declare to a world dominated by tyrants?
A) That all men are created equal and endowed by their Creator with certain unalienable rights
B) That it is a superior nation with the right to dominate other nations
C) That it is a weak and helpless nation that needs protection from other nations
D) That it is a totalitarian state with no regard for individual rights

Where should a country’s strength and power come from?
A) From the freedom of its people to live their lives with dignity
B) From its military might and aggression
C) From its economic superiority over other nations
D) From its political dominance over other nations

What lies in a country’s moral, political, and economic status, according to the passage?
A) The strength of its people
B) The size of its military
C) The amount of its natural resources
D) The power of its political leaders

What should a nation strive to become, according to the passage?
A) A more perfect, perfect country where people are given a commitment and hope in their hearts to work and cherish freedom, justice, and opportunity
B) A country that dominates other nations through military might
C) A country that suppresses the rights of its people
D) A country that follows the orders of its political leaders without question

What does the passage say about getting what we want?
A) We don’t always get what we want when we want it, but it’s always good to believe that someday, somehow, we will get what we want
B) We should always get what we want when we want it, no matter the cost
C) We should be content with what we have and never strive for more
D) We should demand what we want and never settle for less

What are the three unalienable rights mentioned in the passage?
A) Life, liberty, and the pursuit of happiness
B) Wealth, power, and privilege
C) Security, stability, and conformity
D) Obedience, submission, and conformity

Unseen Passages for Class 8 with Multiple Choice Questions #4

Like watering a tree, we grow our friendships (and all our relationships) by nurturing them. Friendships need the same attention as any other relationship if they are to continue. These relationships can be delightfully non-judgmental, supportive, understanding and fun.

Sometimes a friendship can bring out positive aspects that you would never see in any other relationship. This may be because the pressure to play the ‘role’ (daughter, partner or child) is removed. With a friend, you will be free to be yourself and change. Of course, you are free to do this in all other relationships as well, but in friendships: you will have a lot of rehearsal and discussion about the changes they experience.

It’s an unconditional experience where you get as much as you give. You can openly explain yourself to a friend without fear of offending a family member. How does friendship grow? The answer is simple. expresses itself; By carefully remembering what shows the most empathy, and seeing the world through your friend’s eyes, you will understand the value of friendship. It means learning to accept a person from a completely different family to your own or perhaps someone from a completely different cultural background. This is how we learn tolerance. Instead, we gain tolerance and acceptance for our own differences.

What is the importance of nurturing friendships?
a) It helps to play a role in other relationships.
b) It helps to bring out positive aspects of oneself.
c) It helps to maintain the relationship with family members.
d) It helps to maintain cultural values.

What makes friendships delightfully non-judgmental?
a) The pressure to play a role is removed.
b) Friends are more critical of each other.
c) There is always competition in friendships.
d) Friends are less supportive.

How can friendships help in accepting people from different cultural backgrounds?
a) By not accepting differences in culture.
b) By learning to tolerate and accept differences.
c) By rejecting people from different cultural backgrounds.
d) By trying to make people adapt to one’s own culture.

What does it mean to express oneself in a friendship?
a) To avoid offending family members.
b) To openly communicate with a friend.
c) To criticize a friend’s behaviour.
d) To compete with a friend.

What is the role of empathy in growing friendships?
a) It helps to maintain cultural values.
b) It helps to understand the value of friendship.
c) It helps to avoid offending friends.
d) It helps to compete with friends.

How does friendship differ from other relationships?
a) It allows for rehearsal and discussion about changes.
b) It involves a lot of competition.
c) It does not require any effort to maintain.
d) It is based on fulfilling roles.

What is the nature of the give-and-take in a friendship?
a) It is conditional.
b) It is one-sided.
c) It is unconditional.
d) It is limited.

Why is it important to accept a person from a completely different family or culture?
a) To maintain cultural values.
b) To avoid offending family members.
c) To learn tolerance and acceptance for differences.
d) To compete with others from different backgrounds.

What kind of pressure is removed in a friendship?
a) Pressure to play a role in other relationships.
b) Pressure to criticize a friend’s behaviour.
c) Pressure to compete with a friend.
d) Pressure to communicate openly.

What is the value of friendships?
a) It helps to maintain relationships with family members.
b) It helps to maintain cultural values.
c) It brings out positive aspects of oneself.
d) It involves a lot of competition.

Unseen Passages for Class 8 with Multiple Choice Questions #5

Many people think that dialects are distorted forms of language, spoken by ignorant people who make mistakes because they haven’t learned the correct grammar. This is not true at all. A standard language is not linguistically ‘superior’ to other dialects; It is only a dialect adopted for government and official purposes like education.

All English dialects have a long history, going back to “the distinct forms of speech of the Germanic and Scandinavian invaders who came from different parts of northern Europe to occupy Britain in the Middle Ages.” And each of these dialects has a grammar that is as rich and systematic as Standard English.

What is the common misconception about dialects?
A) They are the only correct form of language.
B) They are a distorted form of language spoken by ignorant people.
C) They are only used for official government purposes.
D) They are not important in language history.

Is a standard language superior to other dialects?
A) Yes, because it has a more complex grammar.
B) No, it is only a dialect used for official purposes.
C) Yes, because it is the most widely spoken dialect.
D) No, because it is not a real dialect.

How far back does the history of English dialects go?
A) To the 18th century.
B) To the Middle Ages.
C) To the Renaissance.
D) To the 20th century.

Are all English dialects grammatically rich and systematic?
A) No, only Standard English is rich and systematic.
B) Yes, all English dialects have rich and systematic grammar.
C) No, only certain dialects have rich and systematic grammar.
D) Yes, but only in certain regions of the world.

What is the purpose of a standard language?
A) To promote cultural diversity.
B) To be linguistically superior to other dialects.
C) To be adopted for government and official purposes.
D) To limit linguistic expression.

Are dialects only spoken by uneducated people?
A) Yes, because educated people only speak Standard English.
B) No, because all people speak a dialect of a language.
C) Yes, because dialects are a sign of a lack of education.
D) No, because all dialects have a rich history and grammar.

What is the origin of English dialects?
A) They were created by language experts to enrich the English language.
B) They were brought to England by French invaders.
C) They were distinct forms of speech of Germanic and Scandinavian invaders.
D) They evolved from Standard English over time.

Why is it important to understand the value of dialects?
A) To promote a standardized form of language.
B) To preserve cultural diversity and history.
C) To limit linguistic expression.
D) To prove the superiority of Standard English.

Is Standard English the only correct form of English?
A) Yes, because it is the most widely spoken form.
B) No, because all English dialects are valid forms of language.
C) Yes, because it is the linguistically superior form.
D) No, because it is only a dialect used for official purposes.

Are dialects only spoken in certain regions of the world?
A) Yes, because dialects are limited to specific geographic areas.
B) No, because all languages have different dialects.
C) Yes, because dialects are only spoken by uneducated people.
D) No, because dialects have a long history and are spoken worldwide.

Unseen Passages for Class 8 with Multiple Choice Questions #6

Half a century ago, a person was much more likely to die of heart disease. Now, cancer is the number one cause of death. The problem with these words, the comparison is unfair. Cancer is the most difficult problem deeply embedded in the nature of multicellular life. Given these obstacles, cancer researchers are fighting and even winning small battles: reducing and preventing childhood cancer deaths and sometimes curing cancers that strike people in their early stages.

But when it comes to diseases of the elderly, there can be no decisive victory. Diseases that killed the bubonic plague, smallpox, influenza and tuberculosis were easy obstacles. Each had a specific cause that could be addressed. Heart disease numbers have been pushed into the future, with diet, exercise and drugs that help control blood pressure and cholesterol. Because of this intervention, people between the ages of 55 and 84 are more likely to die of cancer than heart disease.

What was the leading cause of death half a century ago?
A. Cancer
B. Heart disease
C. Bubonic plague
D. Influenza

What is the current leading cause of death?
A. Cancer
B. Heart disease
C. Smallpox
D. Tuberculosis

Why is it difficult to find a cure for cancer?
A. Cancer is deeply embedded in the nature of multicellular life
B. Cancer researchers are not capable enough
C. Cancer is caused by a single factor
D. None of the above

What victories have cancer researchers achieved in the fight against cancer?
A. Preventing childhood cancer deaths
B. Curing cancers in early stages
C. Both A and B
D. None of the above

What is the reason for the lack of decisive victory in diseases of the elderly?
A. Researchers are not capable enough
B. Elderly people cannot withstand treatment
C. Diseases of the elderly are more complex
D. None of the above

Which diseases were easy obstacles to overcome?
A. Cancer and heart disease
B. Bubonic plague and smallpox
C. Influenza and tuberculosis
D. All of the above

How have heart disease numbers been pushed into the future?
A. Through diet
B. Through exercise
C. Through drugs that control blood pressure and cholesterol
D. All of the above

What is the reason that people between the ages of 55 and 84 are more likely to die of cancer than heart disease?
A. Improved treatments for cancer
B. Improved treatments for heart disease
C. The aging population
D. None of the above

What is the purpose of cancer research?
A. To find a cure for all types of cancer
B. To reduce and prevent childhood cancer deaths
C. To cure cancers in their early stages
D. All of the above

What is the main challenge in finding a cure for cancer?
A. Lack of funding for research
B. Difficulty in understanding the nature of cancer
C. Lack of skilled researchers
D. None of the above

Unseen Passages for Class 8 with Multiple Choice Questions #7

No one can argue that acquiring knowledge is more fun and easier with computers. The mere act of touching and exploring this device constitutes an enjoyable activity for a child. This, along with a relaxed attitude and software interactivity, generally contributes to a better understanding of new knowledge. At the higher educational level, the availability of digital books, simulators and other academic materials provides the student with an always accessible source of information, which would otherwise not be at hand.

But, in addition to the increasing complexity and behaviour of intelligent software, which is usually embedded in academic digital material, the need for human interaction in the learning process will always be present, at least in the near future. A human being needs to be able to determine what each person’s specific needs are. A computer, no matter how sophisticated its software, can hardly imitate a teacher’s skill in how to explain and adapt complex concepts to different people.

According to the passage, what is the impact of computers on acquiring knowledge?
A. It makes acquiring knowledge more difficult and less enjoyable.
B. It makes acquiring knowledge more fun and easier.
C. It has no impact on acquiring knowledge.
D. None of the above.

Why is exploring a computer device considered an enjoyable activity for children?
A. Because it provides an opportunity to play games.
B. Because it enables them to socialize with others.
C. Because it helps them learn new knowledge.
D. None of the above.

What does the availability of digital books and simulators at the higher educational level provide to students?
A. A source of entertainment.
B. A source of irrelevant information.
C. A source of always accessible knowledge.
D. None of the above.

What is the role of intelligent software in academic digital material, according to the passage?
A. It replaces human interaction in the learning process.
B. It helps students learn new knowledge more easily.
C. It makes the learning process more complex and difficult.
D. None of the above.

Why does the need for human interaction in the learning process still exist?
A. Because computers are not sophisticated enough.
B. Because each person’s specific needs must be determined.
C. Because computers are not always accessible.
D. None of the above.

What is the disadvantage of intelligent software, according to the passage?
A. It is too expensive for educational institutions to afford.
B. It cannot adapt complex concepts to different people like a teacher can.
C. It requires too much effort from students to learn how to use it.
D. None of the above.

What is the importance of a teacher in the learning process, according to the passage?
A. They provide students with digital books and simulators.
B. They determine each person’s specific needs.
C. They adapt complex concepts to different people.
D. None of the above.

What is the limitation of a computer in imitating a teacher’s skill, according to the passage?
A. It lacks the ability to explain complex concepts.
B. It lacks the ability to determine each person’s specific needs.
C. It lacks the ability to interact with students.
D. None of the above.

What is the advantage of academic digital materials, according to the passage?
A. They replace the need for human interaction in the learning process.
B. They make the learning process more complex and difficult.
C. They provide an always accessible source of information.
D. None of the above.

What is the main message of the passage?
A. Computers can replace teachers in the learning process.
B. Computers are more effective than teachers in teaching complex concepts.
C. Computers can enhance the learning process, but teachers are still essential.
D. None of the above.

Unseen Passages for Class 8 with Multiple Choice Questions #8

The field of medicine forces a collision between scientific and everyday language. Outside the world of laboratories and clinics, there exists the daily routine of medical practice, a situation in which a doctor tries to understand the patient’s problem and the patient tries to understand the doctor’s diagnosis. The initial statement of symptoms of any disease is very important as it guides the doctor’s search for clinical signs of the condition.

Likewise, the doctor’s explanation of the problem and recommendations for treatment need to be clear and complete if the patient is to understand and follow the correct procedure.

In sensitive and serious matters like health, the need for careful listening and expression on both sides should be clear. Patients worried about their health are of ten uncertain and confused about their accounts. Busy doctors will not have time to take every point mentioned by the patient. Furthermore, the tradition of medical interviews inhibits the development of genuine communication.

What is the main problem when it comes to communication between doctors and patients in the field of medicine?
A) Patients often use scientific language that doctors do not understand.
B) Doctors use everyday language that patients find confusing.
C) The collision between scientific and everyday language.
D) The tradition of medical interviews inhibits genuine communication.

What is the significance of the initial statement of symptoms for any disease?
A) It helps doctors understand the patient’s problem.
B) It helps patients understand the doctor’s diagnosis.
C) It guides the doctor’s search for clinical signs of the condition.
D) It determines the patient’s treatment plan.

What is the importance of clear and complete explanations from doctors to patients regarding their medical problems and treatment recommendations?
A) It ensures the patient will follow the correct procedure.
B) It determines the patient’s treatment plan.
C) It helps patients understand the doctor’s diagnosis.
D) It helps doctors understand the patient’s problem.

Why is careful listening and expression important in sensitive and serious matters like health?
A) Patients are often uncertain and confused about their accounts.
B) Doctors may use scientific language that patients find confusing.
C) The tradition of medical interviews inhibits genuine communication.
D) Both patients and doctors need to understand each other’s concerns.

What is the main challenge for doctors when it comes to listening to patients?
A) Patients often use scientific language that doctors do not understand.
B) Patients are often uncertain and confused about their accounts.
C) Busy doctors do not have time to take every point mentioned by the patient.
D) The tradition of medical interviews inhibits genuine communication.

What is the significance of genuine communication in medical interviews?
A) It helps doctors understand the patient’s problem.
B) It helps patients understand the doctor’s diagnosis.
C) It ensures the patient will follow the correct procedure.
D) All of the above.

What is the main challenge for patients when it comes to understanding medical diagnosis and treatment recommendations?
A) Doctors use scientific language that patients find confusing.
B) Patients are often uncertain and confused about their accounts.
C) The tradition of medical interviews inhibits genuine communication.
D) Patients do not have enough time to listen to their doctors.

What is the main advantage of the daily routine of medical practice outside the world of laboratories and clinics?
A) Doctors have more time to listen to their patients.
B) Patients have more time to explain their problems to their doctors.
C) Both doctors and patients can use everyday language to communicate.
D) It is easier to understand scientific language in this context.

What is the difference between the clinical signs and symptoms of a disease?
A) Clinical signs are reported by patients while symptoms are observed by doctors.
B) Clinical signs are observed by doctors while symptoms are reported by patients.
C) Clinical signs and symptoms are the same things.
D) Clinical signs and symptoms are not related to the diagnosis of a disease.

What is the main message of the passage?
A) Doctors should use more scientific language when communicating with patients.
B) Patients should learn more about medical terminology to communicate better with their doctors.
C) The collision between scientific and everyday language is a challenge for communication in medicine.
D) The tradition of medical interviews needs to change to improve communication between doctors and patients.

Unseen Passages for Class 8 with Multiple Choice Questions #9

500 years later, Christopher Columbus’ ship Santa Maria was claimed to have been found by archaeological investigators led by Barry Clifford. Christopher Columbus’ flagship, the Santa Maria, was wrecked in the Caribbean. The long-lost remains of the ship were claimed to lie at the bottom of the sea off the northern coast of Haiti.

A decade ago Barry Clifford’s team made an expedition. He found the wreckage and photographed it but could not figure out its possible identity. A completely separate discovery by other archaeologists in 2003 made it possible to tentatively identify the wreck as Santa Maria, suggesting that the likely location of Columbus’ fort was relatively close.

The Santa Maria was the largest of the three ships that Christopher Columbus used on his maiden voyage. The ship was built in 1460 and struck in 1492. Columbus used the ship in 1492 to find a direct trade route to India.

Who led the team of archaeological investigators that claimed to have found Christopher Columbus’ ship, Santa Maria?
A. Christopher Columbus
B. Barry Clifford
C. A group of anonymous investigators
D. A group of local divers

In which sea was the wreckage of Santa Maria found?
A. Pacific Ocean
B. Atlantic Ocean
C. Indian Ocean
D. Mediterranean Sea

When was Santa Maria built?
A. 1460
B. 1472
C. 1484
D. 1492

How many ships did Christopher Columbus use on his maiden voyage?
A. One
B. Two
C. Three
D. Four

What was the purpose of Columbus’ voyage in 1492?
A. To discover America
B. To establish a colony in India
C. To find a direct trade route to India
D. To explore the African coast

When was Santa Maria wrecked?
A. 1460
B. 1472
C. 1484
D. 1492

Where was the likely location of Columbus’ fort in relation to the wreck of Santa Maria?
A. Relatively far away
B. Relatively close
C. Unknown
D. In a different part of the Caribbean

Who tentatively identified the wreck as Santa Maria?
A. Barry Clifford
B. Christopher Columbus
C. Another group of archaeologists
D. Local fishermen

When did Barry Clifford’s team first find the wreckage of Santa Maria?
A. A decade ago
B. Two decades ago
C. Three decades ago
D. Four decades ago

What was the size of the Santa Maria compared to the other two ships that Columbus used on his maiden voyage?
A. Smallest
B. Middle-sized
C. Largest
D. Unknown

Unseen Passages for Class 8 with Multiple Choice Questions #10

The heart is one of the most important components of the human body. The heart of the human body has a constant job of keeping oxygen-rich blood flowing through the body. All cells in the body need a constant supply of oxygen, especially the brain. Brain cells survive only four to five minutes after being cut off from oxygen, and death ensues throughout the body. Damage to the heart muscle, valves, or pacemaker can cause heart disease. When the muscles are damaged, the heart is unable to pump properly. If the valve is damaged, blood cannot flow normally.

Dr John Gibbon of the United States developed a machine in 1953 that could temporarily take from the heart. Surgeons had the option of repairing or replacing a defective heart. Many patients have had plastic heart valves inserted when they had heart defects. Many people are now being kept alive by tiny battery-powered pacemakers.

What is the primary function of the heart in the human body?
A. To pump oxygenated blood
B. To pump deoxygenated blood
C. To maintain a steady heartbeat
D. To filter waste products

Why do brain cells require a constant supply of oxygen?
A. To maintain a steady heartbeat
B. To filter waste products
C. To prevent cell damage
D. To promote muscle growth

How long can brain cells survive after being cut off from oxygen?
A. Four to five hours
B. Four to five minutes
C. Four to five days
D. Four to five weeks

What happens when the heart is unable to pump properly?
A. The brain stops functioning
B. Blood cannot flow normally
C. Waste products build up in the body
D. The muscles begin to atrophy

Who developed a machine in 1953 that could temporarily take over from the heart?
A. Dr John Gibbon
B. Dr William Harvey
C. Dr James B. Herrick
D. Dr Michael DeBakey

What is the purpose of a plastic heart valve?
A. To prevent damage to the heart muscle
B. To promote muscle growth
C. To filter waste products
D. To replace a defective heart valve

What type of device keeps many people alive today?
A. A blood transfusion machine
B. A kidney dialysis machine
C. A ventilator
D. A battery-powered pacemaker

What can cause heart disease?
A. Damage to the liver
B. Damage to the kidneys
C. Damage to the heart muscle, valves, or pacemaker
D. Damage to the lungs

What happens when the heart is unable to pump blood properly due to muscle damage?
A. Brain damage can occur
B. Kidney damage can occur
C. Liver damage can occur
D. Lung damage can occur

What surgical options are available for patients with a defective heart?
A. Repair or replacement
B. Amputation or transplant
C. Radiation or chemotherapy
D. Antibiotic treatment

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