Question 1

Which type of white blood cell is primarily responsible for producing antibodies?

Accepted Answer

B cells

Answer

T cells

Answer

Neutrophils

Answer

Macrophages

Question 2

What role do lymph nodes play in the immune system?

Accepted Answer

They filter harmful substances and support immune cell activity

Answer

They transport nutrients

Answer

They store excess fat

Answer

They produce energy for the body

Question 3

What is the main function of antibodies in the immune system?

Accepted Answer

To identify and neutralize foreign objects like bacteria and viruses

Answer

To transport oxygen in the blood

Answer

To produce energy for cells

Answer

To break down food in the stomach

Question 4

What is the role of the spleen in the immune system?

Accepted Answer

To filter blood and help fight infections

Answer

To transport oxygen

Answer

To produce insulin

Answer

To absorb nutrients from food

Question 5

What is the primary function of the lymphatic system?

Accepted Answer

To help rid the body of toxins and waste

Answer

To circulate oxygen in the blood

Answer

To produce hormones

Answer

To digest food

Question 6

How does the lymphatic system assist the cardiovascular system?

Accepted Answer

By returning body fluids to the blood

Answer

By increasing heart rate

Answer

By filtering nutrients

Answer

By storing oxygen

Question 7

What does WBC stand for?

Accepted Answer

White blood cells

Answer

Will be continued

Answer

Wild blood cells

Answer

Red blood cells

Question 8

What type of fluid does the lymphatic system primarily transport?

Accepted Answer

Lymph

Answer

Plasma

Answer

Urine

Answer

Blood

Question 9

What happens to lymph nodes during an infection?

Accepted Answer

They may swell as they filter bacteria

Answer

They shrink and become less effective

Answer

They disappear completely

Answer

They stop producing leukocytes

Question 10

During a physical exam, what might a doctor be checking by feeling your cervical lymph nodes?

Accepted Answer

To see if they are swollen due to an infection

Answer

To check your blood pressure

Answer

To listen to your lungs

Answer

To assess your muscle strength

Question 11

What role do the tonsils play in the lymphatic system?

Accepted Answer

They help protect the body from pathogens that enter through the mouth and nose

Answer

They produce hormones

Answer

They store nutrients

Answer

They filter waste from the blood

Question 12

Where is the thymus located in the human body?

Accepted Answer

In the upper chest behind the sternum

Answer

In the neck near the trachea

Answer

In the abdomen near the stomach

Answer

In the lower back near the kidneys

Question 13

Where is the spleen located in the human body?

Accepted Answer

In the upper left part of the abdomen

Answer

In the lower left part of the abdomen

Answer

In the lower right part of the abdomen

Answer

In the center of the chest

Question 14

What is the primary function of the thymus in the human body?

Accepted Answer

To develop T-cells for the immune system

Answer

To produce insulin for regulating blood sugar

Answer

To filter blood and remove old red blood cells

Answer

To store bile for digestion

Question 15

How does lymph flow in the body?

Accepted Answer

Lymph flows in only one direction: toward the heart.

Answer

Lymph circulates quickly like blood.

Answer

Lymph flows toward the lungs.

Answer

Lymph flows in multiple directions.

Question 16

What helps to keep lymph flowing through the lymphatic vessels?

Accepted Answer

Movement of body muscles surrounding the lymph vessels.

Answer

The heartbeat of the heart.

Answer

Breathing in and out.

Answer

Gravity pulling it down.

Question 17

Which of the following best describes lymphocytes?

Accepted Answer

They are white blood cells that help the body fight infections

Answer

They are cells that form bones

Answer

They are muscle cells that aid movement

Answer

They are red blood cells that carry oxygen

Question 18

What are the three types of lymphocytes?

Accepted Answer

T cells, B cells, and natural killer (NK) cells

Answer

Red blood cells, white blood cells, and platelets

Answer

Plasma cells, cytotoxic cells, and mast cells

Answer

Macrophages, dendritic cells, and neutrophils

Question 19

Which type of cell can differentiate into plasma cells that secrete antibodies?

Accepted Answer

B cells

Answer

NK cells

Answer

T cells

Answer

Macrophages

Question 20

What is the primary function of T cells in the immune system?

Accepted Answer

Attack foreign cells and virus-infected cells

Answer

Engulf pathogens

Answer

Neutralize toxins

Answer

Produce antibodies

Question 21

Which immune cells are known for their ability to kill cancer cells?

Accepted Answer

NK cells

Answer

B cells

Answer

Suppressor T cells

Answer

Helper T cells

Question 22

What is the primary function of antibodies in the immune system?

Accepted Answer

To recognize and mark harmful invaders for destruction

Answer

To enhance the growth of pathogens

Answer

To produce new blood cells

Answer

To directly kill bacteria and viruses

Question 23

What shape do antibodies have?

Accepted Answer

Y-shaped

Answer

Square-shaped

Answer

Thread-like

Answer

Circular

Question 24

What is an antigen?

Accepted Answer

A substance that triggers an immune response

Answer

A type of antibody

Answer

A vitamin

Answer

A white blood cell

Question 25

What happens when an antibody binds to its matching antigen?

Accepted Answer

It marks the antigen for destruction by other immune cells

Answer

It makes the antigen stronger

Answer

It kills the antigen immediately

Answer

It transforms the antigen into a harmless substance

Question 26

What happens in the immune system when a person is exposed to a pathogen for the first time?

Accepted Answer

The body produces antibodies specific to that pathogen

Answer

The body stops producing white blood cells

Answer

The body immediately destroys the pathogen

Answer

The body becomes immune without any action

Question 27

What is the primary role of the first line of defense (innate response) in the immune system?

Accepted Answer

To provide general protection against foreign invaders

Answer

To produce antibodies

Answer

To specifically recognize pathogens

Answer

To create immunological memory

Question 28

What characterizes the second line of defense (adaptive response) in the immune system?

Accepted Answer

It provides specific responses to particular pathogens

Answer

It produces fever to fight infections

Answer

It includes skin and mucous membranes

Answer

It prevents any infection from occurring

Question 29

What is the purpose of immunological memory in the adaptive immune system?

Accepted Answer

To mount a faster response against previously encountered pathogens

Answer

To provide general barriers against all invaders

Answer

To prevent any infection from happening

Answer

To create inflammation

Question 30

What role do mucous membranes play in the immune system?

Accepted Answer

They act as a barrier to trap and eliminate pathogens

Answer

They create fever in response to infection

Answer

They produce antibodies

Answer

They are specifically designed to recognize cancer cells

Question 31

What are the common signs of inflammation?

Accepted Answer

redness, heat, swelling, and pain

Answer

headaches and cough

Answer

sore throat and fatigue

Answer

nausea and dizziness

Question 32

What is the primary purpose of inflammation in the immune response?

Accepted Answer

to protect and heal the body

Answer

to increase muscle strength

Answer

to create antibodies

Answer

to eliminate memory cells

Question 33

What is a common cause of inflammation in the body?

Accepted Answer

bacterial infection

Answer

sleep deprivation

Answer

muscle growth

Answer

brain activity

Question 34

What type of immunity is gained through vaccination against an infectious disease?

Accepted Answer

Artificial acquired immunity

Answer

Passive immunity

Answer

Innate immunity

Answer

Natural immunity

Question 35

Which of the following is an example of natural immunity?

Accepted Answer

Formation of antibodies after recovering from measles

Answer

Vaccination against measles

Answer

Using antiseptic to prevent infection

Answer

Taking antibody injections

Question 36

What is the major difference between natural immunity and artificial immunity?

Accepted Answer

Natural immunity arises from unintentional exposure; artificial immunity is obtained intentionally.

Answer

Artificial immunity only lasts for a short time.

Answer

Natural immunity is always stronger than artificial immunity.

Answer

Natural immunity can only be acquired through vaccines.

Question 37

What is the primary purpose of vaccinations in relation to immunity?

Accepted Answer

To stimulate the body's immune response to create antibodies.

Answer

To cure an existing infection or help relieve the symptoms

Answer

To eliminate all pathogens from the body and any future pathogens that matyenter.

Answer

To provide immediate immunity without any response

Question 38

How does vaccination help the body develop immunity?

Accepted Answer

By injecting an antigen that stimulates the immune system

Answer

By exposing the body to live pathogens

Answer

By providing antibiotics to kill pathogens

Answer

By directly injecting antibodies into the blood

Question 39

What is the primary purpose of an antigen in a vaccine?

Accepted Answer

To stimulate the immune system to recognize and fight the pathogen

Answer

To directly kill the pathogen

Answer

To replace antibodies in the blood

Answer

To enhance fever response

Question 40

How do live attenuated vaccines help the immune system?

Accepted Answer

They trigger an immune response without causing illness.

Answer

They provide immediate relief from diseases.

Answer

They create a barrier against future viruses.

Answer

They eliminate all existing infections.

Question 41

What is one potential risk associated with live attenuated vaccines?

Accepted Answer

They may not be suitable for people with weakened immune systems.

Answer

They cannot lead to an immune response.

Answer

They have to be taken daily or else they will not provide lasting protection.

Answer

They are guaranteed to cause illness.

Question 42

What effect does autoimmune diabetes have on the body?

Accepted Answer

It affects insulin-producing cells of the pancreas

Answer

It strengthens the immune system

Answer

It increases muscle mass

Answer

It improves joint flexibility

Question 43

Which autoimmune disorder primarily affects the nervous system?

Accepted Answer

Multiple sclerosis

Answer

Systemic lupus erythematosus

Answer

Myasthenia gravis

Answer

Rheumatoid arthritis

Question 44

Which autoimmune disorder is characterized by communication issues between nerves and muscles?

Accepted Answer

Myasthenia gravis

Answer

Type I diabetes mellitus

Answer

Systemic lupus erythematosus

Answer

Multiple sclerosis

Question 45

Which of the following autoimmune disorders primarily affects the joints?

Accepted Answer

Rheumatoid arthritis

Answer

Celiac disease

Answer

Asthma

Answer

Hypothyroidism

Question 46

What causes autoimmune disorders like systemic lupus erythematosus?

Accepted Answer

The immune system mistakenly attacks the body's own cells

Answer

High protein diet

Answer

Exposure to sunlight

Answer

Increased physical activity

Question 47

Which of the following is an example of an autoimmune disorder?

Accepted Answer

Systemic lupus erythematosus

Answer

Osteoporosis

Answer

Hypertension

Answer

Asthma

Question 48

Which of the following is an example of an acquired immunodeficiency?

Accepted Answer

HIV infection

Answer

Genetic disorders

Answer

Cystic fibrosis

Answer

Sickle cell anemia

Question 49

What can happen if the immune system is not functioning properly?

Accepted Answer

Increased risk of infections

Answer

Faster recovery from illnesses

Answer

Stronger physical fitness

Answer

Improved mental clarity

Question 50

What is a common example of hypersensitivity (allergic) reaction that the immune system can cause?

Accepted Answer

anaphylactic reaction

Answer

sneezing

Answer

fever

Answer

coughing

Question 51

Which term describes an increase in the number of white blood cells often due to infection or stress?

Accepted Answer

Leukocytosis

Answer

Phagocyte

Answer

Vasodilation

Answer

Phagocytosis

Question 52

Which of the following processes involves the body responding to a threat by increasing blood flow and attracting immune cells?

Accepted Answer

Vasodilation

Answer

Inflammation

Answer

Leukocytosis

Answer

Phagocytosis

Question 53

What is the role of phagocytes in the immune system?

Accepted Answer

To engulf and digest foreign particles and pathogens

Answer

To regulate blood pressure

Answer

To produce antibodies

Answer

To carry oxygen in the blood

Question 54

What was the method used by Edward Jenner to create the smallpox vaccine?

Accepted Answer

Using cowpox virus

Answer

Using hepatitis virus

Answer

Using influenza virus

Answer

Using measles virus

Question 55

What was the main impact of the smallpox vaccine on global health?

Accepted Answer

Eradication of smallpox

Answer

Cure for cancer

Answer

Prevention of heart disease

Answer

Reduction of flu cases

Question 56

Who developed the first successful smallpox vaccine?

Accepted Answer

Edward Jenner

Answer

Jonas Salk

Answer

Louis Pasteur

Answer

Albert Sabin

Question 57

What is AIDS?

Accepted Answer

A condition caused by the advanced stage of HIV infection

Answer

A form of cancer

Answer

A vaccine for HIV

Answer

A type of bacteria

Question 58

What does HIV stand for?

Accepted Answer

Human Immunodeficiency Virus

Answer

Human Immune Virus

Answer

High Immunity Virus

Answer

Harmful Immunology Virus

Question 59

What happens to the body when HIV progresses to AIDS?

Accepted Answer

The immune system becomes severely weakened

Answer

The immune system becomes stronger

Answer

The body starts to produce more antibodies

Answer

The body becomes immune to all infections

Question 60

Which type of blood cell does HIV primarily target?

Accepted Answer

T cells

Answer

Red blood cells

Answer

Platelets

Answer

<P>B cells</P>

Question 61

How did variolation differ from vaccination?

Accepted Answer

Variolation involved using live smallpox virus, while vaccination uses safer, less harmful substances.

Answer

Variolation was only used for smallpox, while vaccination can be used for many diseases.

Answer

Vaccination was practiced centuries before variolation.

Answer

There was no difference; they were the same method.

Question 62

What was a common method of performing variolation in early practices?

Accepted Answer

Inoculating a person with material from a smallpox sore.

Answer

Injecting a mixture of different viruses.

Answer

Giving a person a shot of vaccine in the arm.

Answer

Administering herbal remedies to build immunity.

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