Chpter 10 (questions from book) Flashcards
1
Q
Which medication could be used against gram-negtive,gram positive bacteria, chlamydias and rickettsias?
a. tobramycin
b. penicillin
c. tetracyclines
d. cephalosporin and sulfonamides
A
Cephalosporin and sulfonamides
2
Q
Mary has urinary tract infection and is prescribed cephalexin for 10 days. Toward the end of her course of treatment, mary develops a vaginal yeast infection. The yeast infection is an example of:
a. Superinfection
b. Expected complication
c. Allergic reaction
d. Toxic reaction
A
Superinfection
3
Q
- Microbial resistance is acquired through:
a. Conjugation
b. Transformation
c. Tranduction
d. All of these
A
All of these
4
Q
- Drugs that prevent the formation of the bacterial cell wall are
a. Quinolones
b. Penicillins
c. Tetracyclines
d. Aminoglycosides
A
Penicillins
5
Q
- A compound synthesized by bacteria or fungi that destroys or inhibits the growth of other microbes is a/an
a. Synthetic drug
b. Antibiotic
c. Interferon
d. Competitive inhibitor
A
Antibiotic
6
Q
- R Factors are ___ that contain a code for ___
a. Genes, replication
b. Plasmids, drug resistance
c. Transposons, interferon
d. Plasmids, conjugation
A
R factors are plasmids that contain a code for drug resistance
7
Q
- Treating malarial infection is theoretically difficult because
a. the protozoal parasite is eukaryotic and therefore similar to human cells
b. there are several species of plasmodium
c. no single drug can target all the life stages of plasmodium
d. all of the above are true
A
All of the above are true
8
Q
- Pick the true statements about antibiotics
a. antibiotics were invented by chemists in the 1830’s
b. Antibiotics are natural products of microorganisms
c. antibiotics are inherently dangerous for the environment
d. none of the above are true
A
Antibiotics are natural products of microorganisms
9
Q
- An antimicrobial drug with a ___ therapeutic index is a better choice than one with a ___ therapeutic index
a. low; high
b. high; low
A
High is better than low
