Question 1

Considering the hypothalamus, what is a fever produced by?

Accepted Answer

A)  Endogenous pyrogens acting directly on the hypothalamus
B)  Exogenous pyrogens acting directly on the hypothalamus
C)  Immune complexes acting indirectly on the hypothalamus
D)  Cytokines acting indirectly on the hypothalamus

Question 2

A healthcare professional student is learning about fungal infections. What information should the student use to help another student understand?

Accepted Answer

A)  Fungal infections occur only on skin, hair, and nails.
B)  Phagocytes and T lymphocytes control fungal infections.
C)  Fungal infections release endotoxins.
D)  Vaccines prevent fungal infections. B

Question 3

Which infections are fungal? (Select all that apply.)

Accepted Answer

A)  Ringworm
B)  Candida
C)  Cholera
D)  Athlete's foot
E)  Aspergillus

Question 4

A healthcare professional is conducting community education on vaccinations. Which statement about vaccines does the professional include in the presentation?

Accepted Answer

A)  Most bacterial vaccines contain attenuated organisms.
B)  Most viral vaccines are made by using dead organisms.
C)  Vaccines require booster injections to maintain life-long protection.
D)  Vaccines provide effective protection against most infections.

Question 5

Which statements are true regarding viruses? (Select all that apply.)

Accepted Answer

A)  Viruses are very complex microorganisms.
B)  Viruses are referred to as eukaryotes.
C)  Viruses are capable of producing messenger RNA (mRN
A)  .
D)  Viruses penetrate plasma membranes via endocytosis.
E)  Viruses are capable of uncoating cytoplasmic nucleocapsid.

Question 6

What is the final stage of the infectious process?

Accepted Answer

A)  Colonization
B)  Invasion
C)  Multiplication
D)  Spread

Question 7

A student asks the healthcare professional to describe exotoxins. Which statement by the professional is best?

Accepted Answer

A)  Exotoxins are contained in cell walls of gram-negative bacteria.
B)  Exotoxins are released during the lysis of bacteria.
C)  Exotoxins are able to initiate the complement and coagulation cascades.
D)  Exotoxins are released during bacterial growth.

Question 8

What is the role of reverse transcriptase in HIV infection?

Accepted Answer

A)  Reverse transcriptase converts single-stranded DNA into double-stranded DNA.
B)  It is needed to produce integrase.
C)  It transports the RNA into the cell nucleus.
D)  It converts RNA into double-stranded DNA.

Question 9

Which of these play a role in the control of fungal infections? (Select all that apply.)

Accepted Answer

A)  Cytokines
B)  Macrophages
C)  Natural killer cells
D)  Neutrophils
E)  T lymphocytes A, B, D, E

Question 10

Which statements are true regarding endotoxins? (Select all that apply.)

Accepted Answer

A)  Endotoxins are lipopolysaccharides.
B)  Endotoxins are located in the walls of bacteria.
C)  Endotoxins are created during the process of lysis.
D)  Endotoxins are found in gram-negative microorganisms.
E)  Endotoxins are released during the destruction of its host.

Question 11

Which are complications of AIDS? (Select all that apply.)

Accepted Answer

A)  Kaposi sarcoma
B)  Helicobacter pylori
C)  Cytomegalovirus retinitis
D)  Herpes simplex infection
E)  Legionella pneumophila

Question 12

What does the student learn about HIV?

Accepted Answer

A)  HIV only infects T-helper (Th)  cells.
B)  HIV is a retrovirus.
C)  HIV carries genetic information in its DNA.
D)  HIV has five identified strains.

Question 13

Which disease is an example of a rickettsial infection?

Accepted Answer

A)  Cholera
B)  Candida
C)  Sleeping sickness
D)  Rocky Mountain spotted fever

Question 14

Some bacterial surface proteins bind with the crystalline fragment (Fc)  portion of an antibody to do what?

Accepted Answer

A)  Hide in cells to avoid triggering an immune response
B)  Form self-protecting toxins
C)  Make staining possible for microscopic observation
D)  Produce a protective "self" protein

Question 15

Which secretions transmit HIV? (Select all that apply.)

Accepted Answer

A)  Semen
B)  Urine
C)  Saliva
D)  Breast milk
E)  Sweat A, D

Question 16

Which type of microorganism reproduces on the skin?

Accepted Answer

A)  Viruses
B)  Bacteria and fungi
C)  Protozoa and Rickettsiae
D)  Mycoplasma

Question 17

How is toxigenicity defined?

Accepted Answer

A)  The ability of the pathogen to invade and multiply in the host
B)  The pathogen's ability to produce disease by the production of a soluble toxin
C)  The ability of an agent to produce disease
D)  The potency of a pathogen measured in terms of the number of microorganisms required to kill the host

Question 18

What is the ability of the pathogen to invade and multiply in the host referred to as?

Accepted Answer

A)  Infectivity
B)  Toxigenicity
C)  Pathogenicity
D)  Virulence

Question 19

What is a significant cause of morbidity and mortality worldwide?

Accepted Answer

A)  Starvation
B)  Traumatic injury
C)  Cardiovascular disease
D)  Infectious disease

Question 20

Once they have penetrated the first line of defense, which microorganisms do natural killer (NK)  cells actively attack?

Accepted Answer

A)  Bacteria
B)  Fungi
C)  Viruses
D)  Mycoplasma

Exam 10: Infection

Considering the hypothalamus, what is a fever produced by?

Correct AnswerverifiedShow Answer

A healthcare professional student is learning about fungal infections. What information should the student use to help another student understand?

Correct AnswerverifiedB

Which infections are fungal? (Select all that apply.)

Correct AnswerverifiedShow Answer

A healthcare professional is conducting community education on vaccinations. Which statement about vaccines does the professional include in the presentation?

Correct AnswerverifiedShow Answer

Which statements are true regarding viruses? (Select all that apply.)

Correct AnswerverifiedShow Answer

What is the final stage of the infectious process?

Correct AnswerverifiedShow Answer

A student asks the healthcare professional to describe exotoxins. Which statement by the professional is best?

Correct AnswerverifiedShow Answer

What is the role of reverse transcriptase in HIV infection?

Correct AnswerverifiedShow Answer

Which of these play a role in the control of fungal infections? (Select all that apply.)

Correct AnswerverifiedA, B, D, E

Which statements are true regarding endotoxins? (Select all that apply.)

Correct AnswerverifiedShow Answer

Which are complications of AIDS? (Select all that apply.)

Correct AnswerverifiedShow Answer

What does the student learn about HIV?

Correct AnswerverifiedShow Answer

Which disease is an example of a rickettsial infection?

Correct AnswerverifiedShow Answer

Some bacterial surface proteins bind with the crystalline fragment (Fc) portion of an antibody to do what?

Correct AnswerverifiedShow Answer

Which secretions transmit HIV? (Select all that apply.)

Correct AnswerverifiedA, D

Which type of microorganism reproduces on the skin?

Correct AnswerverifiedShow Answer

How is toxigenicity defined?

Correct AnswerverifiedShow Answer

What is the ability of the pathogen to invade and multiply in the host referred to as?

Correct AnswerverifiedShow Answer

What is a significant cause of morbidity and mortality worldwide?

Correct AnswerverifiedShow Answer

Once they have penetrated the first line of defense, which microorganisms do natural killer (NK) cells actively attack?

Correct AnswerverifiedShow Answer

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B

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A, B, D, E

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A, D

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