Question 1

Which disease below is caused without an infection?

Accepted Answer

A)  giardiasis 
B)  tetanus 
C)  staphylococcal food poisoning 
D)  candidiasis 
E)  psittacosis 
A)  giardiasis 
B)  tetanus 
C)  staphylococcal food poisoning 
D)  candidiasis 
E)  psittacosis

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

Strains of Escherichia coli that cause about 75% of all urinary tract infections use ________ to latch on to proteins coating the urinary tract epithelium.

Accepted Answer

A)  sex pili 
B)  P pili 
C)  fimbrae 
D)  adhesins 
E)  glycocalyx 
A)  sex pili 
B)  P pili 
C)  fimbrae 
D)  adhesins 
E)  glycocalyx

Question 4

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 5

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 6

A tuberculin skin test on a patient with an active tuberculosis disease will result in

Accepted Answer

A)  a negative result. 
B)  a positive result. 
C)  profuse bleeding. 
D)  an ulcerating lesion. 
E)  severe bruising. 
A)  a negative result. 
B)  a positive result. 
C)  profuse bleeding. 
D)  an ulcerating lesion. 
E)  severe bruising.

Question 7

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 8

Bacterial infections of the lung that arise secondary to viral disease are attributable in part to

Accepted Answer

A)  the high virulence of the bacterial pathogen. 
B)  viruses providing attachment receptors for the bacteria. 
C)  the host's phagocytes mutating. 
D)  an impaired mucociliary escalator due to dehydration of the host. 
E)  the low virulence of the viral disease. 
A)  the high virulence of the bacterial pathogen. 
B)  viruses providing attachment receptors for the bacteria. 
C)  the host's phagocytes mutating. 
D)  an impaired mucociliary escalator due to dehydration of the host. 
E)  the low virulence of the viral disease.

Question 9

Many infectious diseases display similar ________, making diagnosis difficult.

Accepted Answer

A)  syndromes 
B)  symptoms 
C)  vectors 
D)  disease mechanisms 
E)  modes of transmission 
A)  syndromes 
B)  symptoms 
C)  vectors 
D)  disease mechanisms 
E)  modes of transmission

Question 10

Describe epigenetic silencing and the role it plays in malaria.

Accepted Answer

Epigenetic silencing is the "hiding" of

Question 11

A clinician would most likely treat MRSA with

Accepted Answer

A)  penicillin G. 
B)  tetracycline. 
C)  vancomycin. 
D)  ciprofloxacin. 
E)  amoxicillin. 
A)  penicillin G. 
B)  tetracycline. 
C)  vancomycin. 
D)  ciprofloxacin. 
E)  amoxicillin.

Question 12

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

Accepted Answer

White patches are caused by th

Question 13

Compare and contrast the characteristic symptoms of the common cold and the flu.

Accepted Answer

Symptoms of the common cold are a runny

Question 14

Streptococcus pneumoniae causes all of the following EXCEPT

Accepted Answer

A)  meningitis. 
B)  lobar pneumonia. 
C)  bronchopneumonia. 
D)  necrotizing fasciitis. 
E)  bacteremia. 
A)  meningitis. 
B)  lobar pneumonia. 
C)  bronchopneumonia. 
D)  necrotizing fasciitis. 
E)  bacteremia.

Question 15

What is the reservoir for Trichomonas vaginalis? Explain how it causes disease in the acidic vagina of females.

Accepted Answer

Trichomonas vaginalis is a protozoan tha

Question 16

People who come down with STDs and do not get treated, frequently end up with co-STD infections. Why is this? Explain.

Accepted Answer

Answers could vary but should include me

Question 17

How can prescribing an antibiotic for a sick patient actually lead to triggering gastrointestinal illness? Explain and give an example.

Accepted Answer

Antibiotics such as clindamycin can kill

Question 18

Predict how a chest X-ray and blood counts differ for a fungal versus bacterial lung infection in children and adults.

Accepted Answer

A bacterial lung infection would most li

Question 19

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 20

Why is Yersinia pestis, the causative agent of bubonic plague, considered a potential biowarfare agent?

Accepted Answer

A)  The bacteria is readily available in Europe. 
B)  There is no effective antibiotic against it. 
C)  It is readily introduced into the human population by mosquitoes. 
D)  Pneumonic plague is highly communicable with a high mortality rate. 
E)  The bacterium forms long-lasting endospores. 
A)  The bacteria is readily available in Europe. 
B)  There is no effective antibiotic against it. 
C)  It is readily introduced into the human population by mosquitoes. 
D)  Pneumonic plague is highly communicable with a high mortality rate. 
E)  The bacterium forms long-lasting endospores.

Exam 26: Microbial Diseases

Which disease below is caused without an infection?

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

Strains of Escherichia coli that cause about 75% of all urinary tract infections use ________ to latch on to proteins coating the urinary tract epithelium.

Which of the following is NOT a symptom of influenza?

Hepatitis A and B viruses both

A tuberculin skin test on a patient with an active tuberculosis disease will result in

Chlamydia employs ________ for spreading within and between hosts.

Bacterial infections of the lung that arise secondary to viral disease are attributable in part to

Many infectious diseases display similar ________, making diagnosis difficult.

Describe epigenetic silencing and the role it plays in malaria.

A clinician would most likely treat MRSA with

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

Compare and contrast the characteristic symptoms of the common cold and the flu.

Streptococcus pneumoniae causes all of the following EXCEPT

What is the reservoir for Trichomonas vaginalis? Explain how it causes disease in the acidic vagina of females.

People who come down with STDs and do not get treated, frequently end up with co-STD infections. Why is this? Explain.

How can prescribing an antibiotic for a sick patient actually lead to triggering gastrointestinal illness? Explain and give an example.

Predict how a chest X-ray and blood counts differ for a fungal versus bacterial lung infection in children and adults.

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

Why is Yersinia pestis, the causative agent of bubonic plague, considered a potential biowarfare agent?

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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