Question 1

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

Accepted Answer

This is an infection caused by

Question 2

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. 
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.

Question 3

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)  water 
A)  food 
B)  fecal-oral 
C)  air 
D)  blood 
E)  water

Question 4

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

Accepted Answer

This is a bacterial meningitis

Question 5

Most diarrheal diseases are of what origin?

Accepted Answer

A)  viral 
B)  bacterial 
C)  fungal 
D)  archaeal 
E)  They can be of any origin. 
A)  viral 
B)  bacterial 
C)  fungal 
D)  archaeal 
E)  They can be of any origin.

Question 6

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 counts 
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 counts

Question 7

Rubeola measles is caused by ________ virus.

Accepted Answer

A)  hepatitis B 
B)  varicella 
C)  paramyxovirus 
D)  rhinovirus 
E)  adenovirus 
A)  hepatitis B 
B)  varicella 
C)  paramyxovirus 
D)  rhinovirus 
E)  adenovirus

Question 8

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

Accepted Answer

Botulism is flaccid paralysis caused by

Question 9

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)  measles 
A)  Lyme disease 
B)  tuleremia 
C)  meningitis 
D)  malaria 
E)  measles

Question 10

E. coli can cause which of the following infections?

Accepted Answer

A)  MRSA 
B)  encephalitis 
C)  German measles 
D)  Rocky Mountain spotted fever 
E)  meningitis 
A)  MRSA 
B)  encephalitis 
C)  German measles 
D)  Rocky Mountain spotted fever 
E)  meningitis

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)  headache 
A)  fever 
B)  runny nose 
C)  muscle aches 
D)  sore throat 
E)  headache

Question 12

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

Accepted Answer

A)  deer 
B)  horse 
C)  mouse 
D)  squirrel 
E)  dog 
A)  deer 
B)  horse 
C)  mouse 
D)  squirrel 
E)  dog

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

Question 14

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. 
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.

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. 
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.

Question 16

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. 
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.

Question 17

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

Accepted Answer

Despite the many nonspecific defenses of

Question 18

Chlamydia employs ________ for spreading within and between hosts.

Accepted Answer

A)  elementary body 
B)  rapidly replicating reticulate body 
C)  microspore 
D)  conidia 
E)  actin polymer 
A)  elementary body 
B)  rapidly replicating reticulate body 
C)  microspore 
D)  conidia 
E)  actin polymer

Question 19

Describe the replication cycle of Chlamydia.

Accepted Answer

No lasting immunity is built up, so rein

Question 20

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 acquired 
A)  zoonotic 
B)  herd 
C)  fulminating 
D)  recurrent or cyclic 
E)  community acquired

Exam 26: Microbial Diseases

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

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

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

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

Most diarrheal diseases are of what origin?

Which of the following is correctly paired?

Rubeola measles is caused by ________ virus.

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

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

E. coli can cause which of the following infections?

Which of the following is NOT a symptom of influenza?

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

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

Hepatitis A and B viruses both

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

Helicobacter pylori is thought to cause cancer through

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

Chlamydia employs ________ for spreading within and between hosts.

Describe the replication cycle of Chlamydia.

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

Microbial Life: Origin and Discovery

Observing the Microbial Cell

Cell Structure and Function

Bacterial Culture, Growth, and Development

Environmental Influences and Control of Microbial Growth

Viruses

Genomes and Chromosomes

Transcription, Translation, and Bioinformatics

Gene Transfer, Mutations, and Genome Evolution

Molecular Regulation

Viral Molecular Biology

Biotechniques and Synthetic Biology

Energetics and Catabolism

Electron Flow in Organotrophy, Lithotrophy, and Phototrophy

Biosynthesis

Food and Industrial Microbiology

Origins and Evolution

Bacterial Diversity

Archaeal Diversity

Eukaryotic Diversity

Microbial Ecology

Microbes in Global Elemental Cycles

Human Microbiota and Innate Immunity

The Adaptive Immune Response

Microbial Pathogenesis

Antimicrobial Therapy

Clinical Microbiology and Epidemiology

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