Microbiology Midterm 1
- 1.Which is/are not found on the microbe's side of the disease equilibrium?
- A.
Physical barriers
- B.
Phagocytosis
- C.
Colonization
- D.
A and b
- E.
A and c
- 2.Which of these microbes is/are found only on the toxigenic side of the pathogenicity spectrum?
- A.
Salmonella typhimurim
- B.
Streptococcus pneumoniae
- C.
Vibrio cholerae
- D.
A and b
- E.
A and c
- 3.Which of these is/are protozoan?
- A.
Giardia
- B.
Candida
- C.
Plasmodium
- D.
A and b
- E.
A and c
- 4.Which is not an example of an enzyme produced by a pathogen?
- A.
Hyaluronidase
- B.
Hemolysin
- C.
Coagulase
- D.
Lysozyme
- E.
Kinase
- 5.Which is/are descriptive of opportunistic pathogen?
- A.
Causes disease under essentially any cirumstance
- B.
Causes disease only under certain situations
- C.
Always causes mild disease
- D.
A and c
- E.
B and c
- 6.Which is/are true of bacterial capsules?
- A.
Can help resist phagocytosis
- B.
Some can be opsonized
- C.
Can be found on s. pneumoniae
- D.
All of the above
- E.
All but one of the above
- 7.Which is not a currently important viral disease?
- A.
AIDS
- B.
Cholera
- C.
Hepatitis C
- D.
Dengue
- E.
Influenza
- 8.Which of these antibiotics work(s) against peptidoglycan assembly?
- A.
Tetracycline
- B.
Penicillin
- C.
Streptomycin
- D.
A and b
- E.
B and c
- 9.Which of these antibiotics work(s) against bacterial protein synthesis?
- A.
Cephalosporin
- B.
Rifampin
- C.
Erythromycin
- D.
A and c
- E.
B and c
- 10.Emerging/re-emerging infectious disease(s)?
- A.
West Nile in USA today
- B.
H1N1 (novel) influenza worldwide in 2009
- C.
Polio in USA today
- D.
A and b
- E.
B and c
- 11.The E. coli in your normal intestine
- A.
Are commensal
- B.
Are part of normal flora
- C.
If displaced (out of the intestine) could cause disease
- D.
All but one of the above
- E.
All of the above
- 12.Virulence
- A.
Quantitates pathogenicity
- B.
Implies lethality
- C.
Means severe illness always occurs
- D.
A and b
- E.
A and c
- 13.Endotoxin
- A.
Toxic component is carbohydrate/polysaccharide
- B.
Only found in Gram positives
- C.
Only found in Gram negatives
- D.
A and b
- E.
A and c
- 14.Mycobacterium tuberculosis
- A.
Is a frank pathogen
- B.
Causes chronic inflammation
- C.
Can live inside macrophages
- D.
All but one of the above
- E.
All of the above
- 15.A-B exotoxin
- A.
A is attaching region
- B.
B is block region
- C.
B is binding region
- D.
A and b
- E.
A and c
- 16.Example(s) of A-B toxins
- A.
Endotoxin
- B.
Diphteria toxin
- C.
Hyaluronidase
- D.
A and b
- E.
A and c
- 17.Which is/are example(s) of common source outbreak?
- A.
Common cold in USA today
- B.
Staph enterotoxin contaminated food in a restaurant
- C.
Salmonellosis from undercooked eggs from a certain farm
- D.
A and b
- E.
B and c
- 18.Which is/are pandemic incidence today?
- A.
Cholera in USA
- B.
HIV/AIDS globally
- C.
Common cold in USA
- D.
A and b
- E.
All of the above
- 19.Zoonotic diseases
- A.
Transmitted from non-human animals to humans
- B.
Transmitted only between non-human animals
- C.
Are very rare
- D.
A and c
- E.
B and c
- 20.Zoonotic disease example(s)
- A.
Salmonellosis from eggs or poultry
- B.
Influenza
- C.
Gonorrhea
- D.
All but but one of the above
- E.
All of the above
- 21.Which can be transmitted by aerosol micro droplets?
- A.
Cholera
- B.
Salmonellosis
- C.
Tuberculosis
- D.
Listeriosis
- E.
All of the above
- 22.MIC of antibiotic
- A.
Means minimal concentration that kills microbe
- B.
Means minimal inhibitory concentration
- C.
Is smallest amount of antimicrobial agent to stop growth
- D.
A and c
- E.
B and c
- 23.Concerns about antimicrobial resistance
- A.
Microbes can exchange resistance genes
- B.
Antimicrobials sometimes are used injudiciously in people
- C.
Food animals are being given many antimicrobials
- D.
All but one of the above
- E.
All of the above
- 24.The Kirby Bauer test (disc diffusion)
- A.
Can tell you a precise MIC
- B.
Dilutes antibiotic in tubes
- C.
Looks at zones of bacterial growth inhibition
- D.
A and c
- E.
B and c
- 25.Beta-lactamase
- A.
Degrades peptidoglycan
- B.
Degrades penicillin
- C.
Degrades vancomycin
- D.
A and b
- E.
B and c
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