Question 1

Colds are almost always transmitted by

Accepted Answer

A) airborne respiratory droplets. 
B) hand-to-hand contact. 
C) coughing. 
D) sharing food or drink. 
A) airborne respiratory droplets. 
B) hand-to-hand contact. 
C) coughing. 
D) sharing food or drink.

Question 2

If an individual has active organisms replicating in his or her body,he or she may be contagious before experiencing any symptoms.

Accepted Answer

A) True 
 B)False

Question 3

Influenza is highly contagious and spread via

Accepted Answer

A) coughing. 
B) respiratory droplets. 
C) ingesting food that has been infected. 
D) hand-to-hand contact. 
A) coughing. 
B) respiratory droplets. 
C) ingesting food that has been infected. 
D) hand-to-hand contact.

Question 4

Failing to finish a prescription of antibiotics is a factor in the development of antibiotic-resistant strains of bacteria.

Accepted Answer

A) True 
 B)False

Question 5

For which of the following diseases would one receive a vaccine made from a pathogen that was killed in the laboratory?

Accepted Answer

A) measles 
B) mumps 
C) rubella 
D) influenza 
A) measles 
B) mumps 
C) rubella 
D) influenza

Question 6

Viral encephalitis causes inflammation of the tissue in the

Accepted Answer

A) kidney. 
B) brain. 
C) liver. 
D) heart. 
A) kidney. 
B) brain. 
C) liver. 
D) heart.

Question 7

Situation
Andrew loves to go camping and hiking in the fall.About two weeks after his last camping trip,he noticed an expanding red rash on his arm.
-In order to have avoided this illness,Andrew should have

Accepted Answer

A) camped only in the spring. 
B) boiled his water before drinking. 
C) avoided contact with ticks. 
D) avoided contact with fleas found on mice. 
A) camped only in the spring. 
B) boiled his water before drinking. 
C) avoided contact with ticks. 
D) avoided contact with fleas found on mice.

Question 8

Obstacles to microorganisms entering the body include ______ membranes.

Accepted Answer

A) mucous 
B) cilia 
C) antibody 
D) toxin 
A) mucous 
B) cilia 
C) antibody 
D) toxin

Question 9

Substances that provoke allergies are known as

Accepted Answer

A) parasites. 
B) antigens. 
C) bacteria. 
D) allergens. 
A) parasites. 
B) antigens. 
C) bacteria. 
D) allergens.

Question 10

The natural environment in which a pathogen lives is called a

Accepted Answer

A) reservoir. 
B) portal of entry. 
C) vector. 
D) portal of exit. 
A) reservoir. 
B) portal of entry. 
C) vector. 
D) portal of exit.

Question 11

Warts on the hands are caused by infection with a type of

Accepted Answer

A) virus. 
B) bacterium. 
C) prion. 
D) fungus. 
A) virus. 
B) bacterium. 
C) prion. 
D) fungus.

Question 12

Pathogens must invade the body's cells to cause symptoms.

Accepted Answer

A) True 
 B)False

Question 13

Varicella-zoster virus causes infectious mononucleosis.

Accepted Answer

A) True 
 B)False

Question 14

Lymphocytes that stimulate other lymphocytes to increase are called ______ cells.

Accepted Answer

A) suppressor T 
B) B 
C) memory 
D) helper T 
A) suppressor T 
B) B 
C) memory 
D) helper T

Question 15

The phase of the immune response in which suppressor T cells halt it and restore the body's natural balance is called

Accepted Answer

A) recognition of the invading pathogen. 
B) amplification of defenses. 
C) attack. 
D) slowdown. 
A) recognition of the invading pathogen. 
B) amplification of defenses. 
C) attack. 
D) slowdown.

Question 16

Briefly describe the immune response to a pathogen.What are the major phases of the immune response,and how does the immune system prepare for future invasions by the same pathogen?

Accepted Answer

The immune response to a pathogen involv

Question 17

Mild fungal diseases that rarely give rise to major problems include all of the following except

Accepted Answer

A) athlete's foot. 
B) jock itch. 
C) histoplasmosis. 
D) ringworm. 
A) athlete's foot. 
B) jock itch. 
C) histoplasmosis. 
D) ringworm.

Question 18

Neutrophils,macrophages,dendritic cells,and natural killer cells are part of the ______ response to invading pathogens.

Accepted Answer

A) natural 
B) acquired 
C) adaptive 
D) cell-mediated 
A) natural 
B) acquired 
C) adaptive 
D) cell-mediated

Question 19

Macrophages act as ______ of worn-out cells.

Accepted Answer

A) scavengers 
B) healers 
C) vectors 
D) suppressors 
A) scavengers 
B) healers 
C) vectors 
D) suppressors

Question 20

Hepatitis B is transmitted mainly by

Accepted Answer

A) casual contact. 
B) contaminated food. 
C) organ donation. 
D) sexual contact. 
A) casual contact. 
B) contaminated food. 
C) organ donation. 
D) sexual contact.

Exam 17: Immunity and Infection

Colds are almost always transmitted by

If an individual has active organisms replicating in his or her body,he or she may be contagious before experiencing any symptoms.

Influenza is highly contagious and spread via

Failing to finish a prescription of antibiotics is a factor in the development of antibiotic-resistant strains of bacteria.

For which of the following diseases would one receive a vaccine made from a pathogen that was killed in the laboratory?

Viral encephalitis causes inflammation of the tissue in the

Situation Andrew loves to go camping and hiking in the fall.About two weeks after his last camping trip,he noticed an expanding red rash on his arm. -In order to have avoided this illness,Andrew should have

Obstacles to microorganisms entering the body include ______ membranes.

Substances that provoke allergies are known as

The natural environment in which a pathogen lives is called a

Warts on the hands are caused by infection with a type of

Pathogens must invade the body's cells to cause symptoms.

Varicella-zoster virus causes infectious mononucleosis.

Lymphocytes that stimulate other lymphocytes to increase are called ______ cells.

The phase of the immune response in which suppressor T cells halt it and restore the body's natural balance is called

Briefly describe the immune response to a pathogen.What are the major phases of the immune response,and how does the immune system prepare for future invasions by the same pathogen?

Mild fungal diseases that rarely give rise to major problems include all of the following except

Neutrophils,macrophages,dendritic cells,and natural killer cells are part of the ______ response to invading pathogens.

Macrophages act as ______ of worn-out cells.

Hepatitis B is transmitted mainly by

Taking Charge of Your Health

Stress: The Constant Challenge

Psychological Health

Intimate Relationships and Communication

Sex and Your Body

Contraception

Abortion

Pregnancy and Childbirth

The Use and Abuse of Psychoactive Drugs

The Responsible Use of Alcohol

Toward a Tobacco-Free Society

Nutrition Basics

Exercise for Health and Fitness

Weight Management

Cardiovascular Health

Cancer

Sexually Transmitted Diseases

Environmental Health

Conventional and Complementary Medicine

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Aging: a Vital Process

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