Question 1

Johnny has a red,sore throat with white patches on the tonsils,swollen lymph nodes,fever,and a headache.Which of the following bacteria caused Johnny's symptoms?

Accepted Answer

A)  staphylococcus
B)  streptococcus
C)  mycobacterium
D)  Escherichia coliE) All of the above
F) A) and B)

Question 2

A type of white blood cell that engulfs foreign organisms is a(n)

Accepted Answer

A)  antigen.
B)  platelet.
C)  vector cell.
D)  dendritic cell.E) A) and D)
F) A) and C)

Question 3

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 4

A disease in which an individual's immune system attacks his or her own body's cells is called a(n)

Accepted Answer

A)  autoimmune disease.
B)  acquired immune response.
C)  antibody deficiency disease.
D)  natural immune disorder.E) A) and D)
F) All of the above

Question 5

Which of the following infections is transmitted by a mosquito bite?

Accepted Answer

A)  E.coli O157:H7
B)  West Nile virus
C)  Creutzfeldt-Jakob disease
D)  hantavirusE) A) and D)
F) A) and B)

Question 6

Common allergens include dust mites,mold,mildew,and insect stings.

Accepted Answer

A) True 
 B)False

Question 7

Chemicals responsible for the dilation and increased permeability of blood vessels in the inflammatory response are called

Accepted Answer

A)  histamines.
B)  antigens.
C)  antibodies.
D)  lymphocytes.E) All of the above
F) None of the above

Question 8

Malaria can cause anemia.

Accepted Answer

A) True 
 B)False

Question 9

Discuss the concept of emerging infectious diseases.Identify at least three specific emerging infections and three factors contributing to disease emergence worldwide.

Accepted Answer

Emerging infectious diseases are disease...

Question 10

A common bacterium found on the skin in healthy people but capable of causing infection if it enters the body is

Accepted Answer

A)  streptococcus.
B)  staphylococcus.
C)  Escherichia coli.
D)  spirochete.E) A) and D)
F) A) and C)

Question 11

The fungus that causes yeast infections is called

Accepted Answer

A)  Histoplasma capsulatum.
B)  Candida albicans.
C)  Coccidioides immitis.
D)  dermatophyte fungus.E) B) and D)
F) B) and C)

Question 12

The body's first line of defense against the invasion of organisms is

Accepted Answer

A)  the skin.
B)  cilia.
C)  white blood cells.
D)  fever.E) A) and C)
F) A) and D)

Question 13

Two of Greg's housemates have come down with severe colds,and Greg wants to avoid contracting one if he can.Describe at least five practical steps Greg could take to help reduce the risk of catching a cold from one of his housemates.Strategies can target any part of the chain of infection.

Accepted Answer

1. Practice good hand hygiene: Greg shou...

Question 14

Lynette has begun feeling feverish and has a sore throat.Which phase of the immune response is she experiencing?

Accepted Answer

A)  incubation
B)  prodromal
C)  systemic
D)  recoveryE) A) and B)
F) A) and C)

Question 15

An infection that travels throughout the body is called

Accepted Answer

A)  transmitted.
B)  lymphatic.
C)  localized.
D)  systemic.E) B) and C)
F) A) and D)

Question 16

Vessels and organs that pick up excess fluids,filter out disease-causing organisms and other waste products,and return cleansed fluid to general circulation belong to the ______ system.

Accepted Answer

A)  digestive
B)  antibody
C)  lymphatic
D)  circulatoryE) A) and B)
F) All of the above

Question 17

Single-celled organisms that often cause recurrent diseases are called

Accepted Answer

A)  viruses.
B)  parasites.
C)  protozoa.
D)  bacteria.E) A) and B)
F) A) and C)

Question 18

List and describe the function of five of the many different types of white blood cells,proteins,and chemicals involved in the immune response to a pathogen.

Accepted Answer

1. Neutrophils: Neutrophils are the most...

Question 19

Which of the following statements about tuberculosis is NOT true?

Accepted Answer

A)  It usually affects the digestive tract.
B)  It responds to a long course of antibiotic treatment.
C)  Most people infected with tuberculosis have latent infections.
D)  It is typically transmitted via the respiratory route.E) A) and B)
F) A) and C)

Question 20

Key components of a typical asthma attack include all of the following EXCEPT

Accepted Answer

A)  secretion of extra mucus.
B)  inflammation of the airways.
C)  spasms in the muscles surrounding the airways.
D)  an anaphylactic reaction.E) None of the above
F) All of the above

Exam 17: Immunity and Infection

A common bacterium found on the skin in healthy people but capable of causing infection if it enters the body is

Correct AnswerverifiedShow Answer

Discuss the concept of emerging infectious diseases.Identify at least three specific emerging infections and three factors contributing to disease emergence worldwide.

Correct AnswerAnswered by ExamLex AIEmerging infectious diseases are disease...View AnswerShow Answer

Common allergens include dust mites,mold,mildew,and insect stings.

Correct AnswerverifiedShow Answer

Two of Greg's housemates have come down with severe colds,and Greg wants to avoid contracting one if he can.Describe at least five practical steps Greg could take to help reduce the risk of catching a cold from one of his housemates.Strategies can target any part of the chain of infection.

Correct AnswerAnswered by ExamLex AI1. Practice good hand hygiene: Greg shou...View AnswerShow Answer

Lynette has begun feeling feverish and has a sore throat.Which phase of the immune response is she experiencing?

Correct AnswerverifiedShow Answer

An infection that travels throughout the body is called

Correct AnswerverifiedShow Answer

List and describe the function of five of the many different types of white blood cells,proteins,and chemicals involved in the immune response to a pathogen.

Correct AnswerAnswered by ExamLex AI1. Neutrophils: Neutrophils are the most...View AnswerShow Answer

Johnny has a red,sore throat with white patches on the tonsils,swollen lymph nodes,fever,and a headache.Which of the following bacteria caused Johnny's symptoms?

Correct AnswerverifiedShow Answer

A type of white blood cell that engulfs foreign organisms is a(n)

Correct AnswerverifiedShow Answer

Vessels and organs that pick up excess fluids,filter out disease-causing organisms and other waste products,and return cleansed fluid to general circulation belong to the ______ system.

Correct AnswerverifiedShow Answer

A disease in which an individual's immune system attacks his or her own body's cells is called a(n)

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The fungus that causes yeast infections is called

Correct AnswerverifiedShow Answer

Malaria can cause anemia.

Correct AnswerverifiedShow Answer

The body's first line of defense against the invasion of organisms is

Correct AnswerverifiedShow Answer

Key components of a typical asthma attack include all of the following EXCEPT

Correct AnswerverifiedShow Answer

Chemicals responsible for the dilation and increased permeability of blood vessels in the inflammatory response are called

Correct AnswerverifiedShow Answer

Single-celled organisms that often cause recurrent diseases are called

Correct AnswerverifiedShow Answer

Which of the following infections is transmitted by a mosquito bite?

Correct AnswerverifiedShow Answer

Which of the following statements about tuberculosis is NOT true?

Correct AnswerverifiedShow Answer

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Emerging infectious diseases are disease...
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1. Practice good hand hygiene: Greg shou...
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1. Neutrophils: Neutrophils are the most...
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