Question 1

Which of the following statements regarding Bacillus anthracis is incorrect?

Accepted Answer

A)   A capsule and exotoxins are virulence factors.
B)   Its reservoir includes grazing animals and soil.
C)   It is a gram-positive bacillus.
D)   It grows primarily under anaerobic conditions.
E)   It is capable of forming endospores.F) B) and E)
G) C) and D)

Question 2

The reservoir for the Lassa fever virus is the ______.

Accepted Answer

A)   fruit bat
B)   Aedes mosquito
C)   deer tick
D)   Anopheles mosquito
E)   multimammate ratF) D) and E)
G) A) and E)

Question 3

Which of the following statements is incorrect regarding patients with AIDS?

Accepted Answer

A)   AIDS patients get repeated, life-threatening, opportunistic infections.
B)   The highest number of AIDS cases worldwide is in the United States.
C)   AIDS patients have an immunodeficiency.
D)   AIDS patients have a CD4 T-cell titer below 200 cells/mm3 of blood.
E)   AIDS patients can get unusual cancers and neurological disorders.F) A) and E)
G) C) and E)

Question 4

Ehrlichiosis,Rocky Mountain Spotted Fever,dengue fever,and tularemia are all infectious diseases of the cardiovascular system.What feature do they have in common?

Accepted Answer

A)   People with immune deficiencies are especially susceptible to these diseases.
B)   They are all transmitted by arthropod vectors.
C)   They are all endemic in the mountain states in the western U.S.
D)   The causative agent of each of these diseases is a bacterium.E) None of the above
F) A) and B)

Question 5

Retroviruses have all of the following characteristics except ______.

Accepted Answer

A)   an envelope
B)   integration into the host genome
C)   glycoprotein spikes
D)   reverse transcriptase
E)   a DNA genomeF) A) and D)
G) A) and E)

Question 6

When bacteria flourish and grow in the blood stream,the condition is termed ______.

Accepted Answer

A)   sepsis
B)   fungemia
C)   viremia
D)   bactocarditisE) A) and D)
F) A) and C)

Question 7

Cat scratch disease can be prevented by ______,

Accepted Answer

A)   vaccination
B)   avoiding unpasteurized milk
C)   avoiding environments with ticks
D)   animal control
E)   promptly cleaning any scratch woundF) C) and E)
G) B) and E)

Question 8

Under normal healthy circumstances,the lymphatic system filters any microorganisms present.

Accepted Answer

A) True 
 B)False  True

Question 9

For the following list of anti-HIV drugs and their mechanism of action,identify the mismatch.

Accepted Answer

A)   Protease inhibitor; blocks the active site of the protease required for assembling new viral particles.
B)   Integrase inhibitor; blocks the active site of the enzyme required to splice HIV DNA into the human genome
C)   Reverse transcriptase inhibitor; blocks the active site of the enzyme required to convert viral RNA to DNA
D)   AZT (azidothymidine) ; as an analog of thymidine, it is incorporated into viral RNA in place of thymidineE) B) and C)
F) None of the above

Question 10

Your 49-year-old mother has just been diagnosed with subacute endocarditis with the following symptoms: fever,a rash,and early congestive heart failure.You wonder how this infection occurred,particularly since she appeared to be healthy before this.Which of the following questions for her physician is most pertinent to understanding the cause of this infection?

Accepted Answer

A)   Is this infection related to menopause?
B)   Could she have contracted this from a mosquito bite, since she does so much gardening?
C)   Could she have AIDS?
D)   Does she have an abnormal heart valve or a murmur?E) None of the above
F) A) and B) D

Question 11

Which type of hemorrhagic fever has been shown to respond to ribavirin?

Accepted Answer

A)   Lassa fever
B)   Marburg
C)   Ebola
D)   Rocky Mountain spotted feverE) A) and B)
F) None of the above

Question 12

The white-footed mouse,deer,and deer ticks are important to maintaining the zoonotic transmission cycle associated with ______.

Accepted Answer

A)   babesiosis
B)   Q fever
C)   plague
D)   Lyme disease
E)   Rocky Mountain spotted feverF) A) and C)
G) A) and D)

Question 13

A common cardiovascular/lymphatic system disease in AIDS patients is ______.

Accepted Answer

A)   brucellosis
B)   Burkitt's lymphoma
C)   cytomegalovirus
D)   ehrlichiosis
E)   acute endocarditisF) C) and D)
G) A) and C)

Question 14

Erythema migrans,a bull's-eye rash,at the site of a tick bite is associated with ______.

Accepted Answer

A)   Q fever
B)   Rocky Mountain spotted fever
C)   Lyme disease
D)   plague
E)   ehrlichiosisF) A) and B)
G) A) and D)

Question 15

A frequent cancer that is seen in AIDS patients is ______.

Accepted Answer

A)   Hodgkin's lymphoma
B)   myeloma
C)   Kaposi's sarcoma
D)   melanoma
E)   leukemiaF) A) and D)
G) A) and B)

Question 16

Plague is a quarantinable disease.

Accepted Answer

A) True 
 B)False

Question 17

Which drug interferes with the action of an HIV enzyme needed for final assembly and maturation of the virus?

Accepted Answer

A)   Fusion inhibitor
B)   Reverse transcriptase inhibitor
C)   Integrase inhibitor
D)   Protease inhibitorE) All of the above
F) A) and D)

Question 18

An HIV-positive patient should be treated with a wide array of drugs because

Accepted Answer

A)   the sooner s/he is treated with antivirals, the more likely it is that the virus will be eliminated from their blood.
B)   s/he is susceptible to a variety of opportunistic infections and AIDS-defining illnesses.
C)   most HIV-positive patients are also intravenous drug users and require chemotherapy for their addiction.
D)   multiple antibiotics and antivirals should kill HIV and any resistant strains that might arise.E) A) and B)
F) None of the above

Question 19

Which of the following statements concerning Rocky Mountain spotted fever is correct?

Accepted Answer

A)   The causative bacterium is transmitted by Ixodes ticks.
B)   Disease symptoms include fever, headache, and rash.
C)   An infection rarely has complications beyond mild discomfort.
D)   Infections are seen in highest numbers in the Rocky Mountains.E) None of the above
F) A) and B) B

Question 20

You just returned from a hiking/camping trip and are experiencing symptoms of an infection: high fever,swollen lymph nodes,and black-and-blue marks or hemorrhages under the skin.Your doctor asks if you have been in the four corners area of the U.S.(where the states of Arizona,Colorado,New Mexico,and Utah all meet) .What does the doctor suspect?

Accepted Answer

A)   Since there are many mosquitoes in that area, you might have been infected with Plasmodium.
B)   Hemorrhagic fever is often associated with bats in that region of the U.S.
C)   Those four states have high rates of Chikungunya, which is what the doctor suspects that you have.
D)   You might have picked up the plague bacterium from fleas that normally feed on rodents in that area.E) A) and B)
F) A) and C)

Exam 20: Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Which of the following statements regarding Bacillus anthracis is incorrect?

Correct Answer
verified

The reservoir for the Lassa fever virus is the ______.

Correct Answer
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Which of the following statements is incorrect regarding patients with AIDS?

Correct Answer
verified

Ehrlichiosis,Rocky Mountain Spotted Fever,dengue fever,and tularemia are all infectious diseases of the cardiovascular system.What feature do they have in common?

Correct Answer
verified

Retroviruses have all of the following characteristics except ______.

Correct Answer
verified

When bacteria flourish and grow in the blood stream,the condition is termed ______.

Correct Answer
verified

Cat scratch disease can be prevented by ______,

Correct Answer
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Under normal healthy circumstances,the lymphatic system filters any microorganisms present.

Correct Answer
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True

For the following list of anti-HIV drugs and their mechanism of action,identify the mismatch.

Correct Answer
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Correct Answer
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D

Which type of hemorrhagic fever has been shown to respond to ribavirin?

Correct Answer
verified

The white-footed mouse,deer,and deer ticks are important to maintaining the zoonotic transmission cycle associated with ______.

Correct Answer
verified

A common cardiovascular/lymphatic system disease in AIDS patients is ______.

Correct Answer
verified

Erythema migrans,a bull's-eye rash,at the site of a tick bite is associated with ______.

Correct Answer
verified

A frequent cancer that is seen in AIDS patients is ______.

Correct Answer
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Plague is a quarantinable disease.

Correct Answer
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Which drug interferes with the action of an HIV enzyme needed for final assembly and maturation of the virus?

Correct Answer
verified

An HIV-positive patient should be treated with a wide array of drugs because

Correct Answer
verified

Which of the following statements concerning Rocky Mountain spotted fever is correct?

Correct Answer
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B

Correct Answer
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Exam 20: Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Which of the following statements regarding Bacillus anthracis is incorrect?

Correct AnswerverifiedShow Answer

The reservoir for the Lassa fever virus is the ______.

Correct AnswerverifiedShow Answer

Which of the following statements is incorrect regarding patients with AIDS?

Correct AnswerverifiedShow Answer

Ehrlichiosis,Rocky Mountain Spotted Fever,dengue fever,and tularemia are all infectious diseases of the cardiovascular system.What feature do they have in common?

Correct AnswerverifiedShow Answer

Retroviruses have all of the following characteristics except ______.

Correct AnswerverifiedShow Answer

When bacteria flourish and grow in the blood stream,the condition is termed ______.

Correct AnswerverifiedShow Answer

Cat scratch disease can be prevented by ______,

Correct AnswerverifiedShow Answer

Under normal healthy circumstances,the lymphatic system filters any microorganisms present.

Correct AnswerverifiedTrue

For the following list of anti-HIV drugs and their mechanism of action,identify the mismatch.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedD

Which type of hemorrhagic fever has been shown to respond to ribavirin?

Correct AnswerverifiedShow Answer

The white-footed mouse,deer,and deer ticks are important to maintaining the zoonotic transmission cycle associated with ______.

Correct AnswerverifiedShow Answer

A common cardiovascular/lymphatic system disease in AIDS patients is ______.

Correct AnswerverifiedShow Answer

Erythema migrans,a bull's-eye rash,at the site of a tick bite is associated with ______.

Correct AnswerverifiedShow Answer

A frequent cancer that is seen in AIDS patients is ______.

Correct AnswerverifiedShow Answer

Plague is a quarantinable disease.

Correct AnswerverifiedShow Answer

Which drug interferes with the action of an HIV enzyme needed for final assembly and maturation of the virus?

Correct AnswerverifiedShow Answer

An HIV-positive patient should be treated with a wide array of drugs because

Correct AnswerverifiedShow Answer

Which of the following statements concerning Rocky Mountain spotted fever is correct?

Correct AnswerverifiedB

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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True

Correct Answer
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Correct Answer
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D

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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