Question 1

Hepatitis A and B viruses both

Accepted Answer

A)   are RNA viruses.
B)   infect the liver.
C)   can be transmitted by blood products.
D)   have vaccines.
E)   infect the liver and are vaccines for both viral diseases.F) A) and E)
G) A) and D)

Question 2

How does Clostridium botulinum, an obligate anaerobe, secrete its potent toxins in food?

Accepted Answer

Botulism is flaccid paralysis caused by ...

Question 3

E. coli can cause which of the following infections?

Accepted Answer

A)   MRSA
B)   encephalitis
C)   German measles
D)   Rocky Mountain spotted fever
E)   meningitisF) B) and E)
G) B) and D)

Question 4

Most diarrheal diseases are of what origin?

Accepted Answer

A)   viral
B)   bacterial
C)   fungal
D)   archaeal
E)   They can be of any origin.F) A) and E)
G) All of the above

Question 5

Using the figure below, which organism is an incidental host for Lyme disease?

Accepted Answer

A)   deer
B)   horse
C)   mouse
D)   squirrel
E)   dogF) A) and B)
G) All of the above

Question 6

Rubeola measles is caused by ________ virus.

Accepted Answer

A)   hepatitis B
B)   varicella
C)   paramyxovirus
D)   rhinovirus
E)   adenovirusF) None of the above
G) A) and B)

Question 7

By the age of three, all children are believed to have had a rotavirus infection, which is spread by what route?

Accepted Answer

A)   food
B)   fecal-oral
C)   air
D)   blood
E)   waterF) B) and E)
G) None of the above

Question 8

Helicobacter pylori is thought to cause cancer through

Accepted Answer

A)   toxin production.
B)   inducing superantigens.
C)   neutralizing acid pH, which allows anaerobes to grow.
D)   injecting the CagA protein into gastric epithelial cells.
E)   adhering with pili to the oropharygeal epithelium.F) C) and D)
G) D) and E)

Question 9

Describe the replication cycle of Chlamydia.

Accepted Answer

No lasting immunity is built up, so rein...

Question 10

Using the figures below, summarize what is occurring at D.

Accepted Answer

This is an infection caused by...

Question 11

Which of the following is NOT a symptom of influenza?

Accepted Answer

A)   fever
B)   runny nose
C)   muscle aches
D)   sore throat
E)   headacheF) All of the above
G) C) and E)

Question 12

A hunter who presents with flu-like symptoms and lives in Boston, Massachusetts, has a "bull's-eye" rash on his leg. The appropriate diagnosis is

Accepted Answer

A)   Lyme disease
B)   tuleremia
C)   meningitis
D)   malaria
E)   measlesF) B) and E)
G) B) and D)

Question 13

A nationwide recall of spinach in 2006 was due to contamination by cattle water containing

Accepted Answer

A)   Neisseria meningitidis.
B)   E. coli O157:H7.
C)   Vibrio cholerae.
D)   Shigella species.
E)   hepatitis A virus.F) A) and D)
G) C) and E)

Question 14

What type of disease is an infection that normally affects animals but can be transmitted to humans?

Accepted Answer

A)   zoonotic
B)   herd
C)   fulminating
D)   recurrent or cyclic
E)   community acquiredF) A) and D)
G) A) and C)

Question 15

Regarding the neurotoxigenic disease caused by Clostridium tetani, which of the following is NOT correct?

Accepted Answer

A)   The tetanospasmin toxoid is an effective vaccine.
B)   It is a spasmic paralytic disease.
C)   The causative agent produces endospores.
D)   Herd immunity can decrease the risk of acquiring it.
E)   It inhibits neurotransmitters.F) D) and E)
G) None of the above

Question 16

A 15-year-old female was said to have Koplik's spots after a doctor's examination. This suggests that

Accepted Answer

A)   she has measles caused by the rubeola virus.
B)   no antibiotic is useful because it's a mixed infection.
C)   she has a toxin-encoding phage that also encodes antibiotic-degrading enzymes.
D)   the causative agent is a MRSA.
E)   rapid necrosis of infected tissue has limited access to the antibiotic.F) A) and E)
G) C) and E)

Question 17

Why do urinary tract infections (UTIs) often occur in women?

Accepted Answer

Despite the many nonspecific defenses of...

Question 18

Using the following figures, interpret what is occurring in Figure A.

Accepted Answer

This is a bacterial meningitis...

Question 19

Chlamydia employs ________ for spreading within and between hosts.

Accepted Answer

A)   elementary body
B)   rapidly replicating reticulate body
C)   microspore
D)   conidia
E)   actin polymerF) B) and C)
G) None of the above

Question 20

Which of the following is correctly paired?

Accepted Answer

A)   Koplik's spot-HIV-induced cancer
B)   herd immunity-immunity of animals
C)   acetylcholine blocker- botulism toxin
D)   Lyme disease-enteric disorder
E)   enteric fever-elevated white blood cell countsF) A) and D)
G) A) and B)

Exam 26: Microbial Diseases

A nationwide recall of spinach in 2006 was due to contamination by cattle water containing

Correct AnswerverifiedShow Answer

Hepatitis A and B viruses both

Correct AnswerverifiedShow Answer

Why do urinary tract infections (UTIs) often occur in women?

Correct AnswerverifiedDespite the many nonspecific defenses of...View AnswerShow Answer

Rubeola measles is caused by ________ virus.

Correct AnswerverifiedShow Answer

A 15-year-old female was said to have Koplik's spots after a doctor's examination. This suggests that

Correct AnswerverifiedShow Answer

Which of the following is NOT a symptom of influenza?

Correct AnswerverifiedShow Answer

By the age of three, all children are believed to have had a rotavirus infection, which is spread by what route?

Correct AnswerverifiedShow Answer

Helicobacter pylori is thought to cause cancer through

Correct AnswerverifiedShow Answer

Using the figure below, which organism is an incidental host for Lyme disease?

Correct AnswerverifiedShow Answer

How does Clostridium botulinum, an obligate anaerobe, secrete its potent toxins in food?

Correct AnswerverifiedBotulism is flaccid paralysis caused by ...View AnswerShow Answer

A hunter who presents with flu-like symptoms and lives in Boston, Massachusetts, has a "bull's-eye" rash on his leg. The appropriate diagnosis is

Correct AnswerverifiedShow Answer

Chlamydia employs ________ for spreading within and between hosts.

Correct AnswerverifiedShow Answer

Using the figures below, summarize what is occurring at D.

Correct AnswerverifiedThis is an infection caused by...View AnswerShow Answer

Most diarrheal diseases are of what origin?

Correct AnswerverifiedShow Answer

Using the following figures, interpret what is occurring in Figure A.

Correct AnswerverifiedThis is a bacterial meningitis...View AnswerShow Answer

Which of the following is correctly paired?

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Regarding the neurotoxigenic disease caused by Clostridium tetani, which of the following is NOT correct?

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Describe the replication cycle of Chlamydia.

Correct AnswerverifiedNo lasting immunity is built up, so rein...View AnswerShow Answer

What type of disease is an infection that normally affects animals but can be transmitted to humans?

Correct AnswerverifiedShow Answer

E. coli can cause which of the following infections?

Correct AnswerverifiedShow Answer

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Despite the many nonspecific defenses of...
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Botulism is flaccid paralysis caused by ...
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This is an infection caused by...
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This is a bacterial meningitis...
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No lasting immunity is built up, so rein...
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