Reference no: EM132686502
1. Broad spectrum drugs that disrupt the body's normal balance of microbiota can cause:
Group of answer choices
a. drug toxicity
b. All of the other answers are correct
c. nephrotoxicity
d. allergic reactions
e. superinfections
2. Which are beta-lactam antibiotics?
Group of answer choices
a. streptomycin and neomycin
b. none of the other answers are beta-lactam antibiotics
c. penicillin and cephalosporin
d. sulfonamide and trimethoprim
e. erythromycin and azithromycin
3. Which molecule looks like a substrate, sits in the active site, and is a competitive inhibitor of enzymes?
Group of answer choices
a. synergistic effect
b. resistance (R) factor
c. protease inhibitors
d. ergosterol
e. antimetabolites
4. Which antimicrobial agent inhibits DNA gyrase?
Group of answer choices
a. fluoroquinolone
b. bacitracin
c. penicillin
d. quinine
e. trimethoprim
5. Which antihelminth drug is used to treat tapeworms, liver flukes and Schistomoma blood flukes and induces calcium influx resulting in paralysis?
Group of answer choices
a. imidazoles
b. praziquantel
c. artemisinin
d. benzimidazoles
e. quinolones
6. Which neuraminidase inhibitor is commonly used to inhibit the avian flu virus?
Group of answer choices
a. protease inhibitors
b. Tamiflu (oseltamivir)
c. nucleoside analogs
d. quinolines
e. AZT (azidothymine)
7. Drug resistance is:
Group of answer choices
a. a response where microbes exhibit a larger zone of inhibition
b. a non- adaptive response where microbes mutate to become sensitive to the drug
c. a response where the drug causes chromosomal changes in the microbe.
d. a response where the population contains increasing numbers of microbes that are not killed by a drug.
e. none of the other answers is correct
8. Which about microbial drug resistance is correct?
Group of answer choices
a. All of the other answers are correct.
b. Microbes in nature evolve to overcome antibiotics.
c. Overuse of antibiotics inhibits microbial resistance.
d. Discontinuing an antibiotic as soon as you feel better may prevent resistance.
e. Antimicrobials used in the meat and poultry industry reduce resistance.
9. Pathogen A is more resistant to an tetracycline disc on a Kirby-Bauer diffusion susceptibility plate compared to pathogen B. Pathogen A will have a(n) ___________ zone of inhibition compared to pathogen B.
Group of answer choices
a. larger
b. equal
c. smaller