Common Prescription Drugs and OTC Flashcards
Which antibiotic inhibits DNA synthesis?
A) Fluoroquinolones
B) Penicillin
C) Macrolides
A) Fluoroquinolones
Which antibiotic inhibits the formation of bacterial cell walls by inhibiting transpeptidase?
A) Sulfonamides
B) Trimethoprim
C) Tetracycline
D) Penicillin/ cephalosporins
D) Penicillin/ cephalosporins
Which antibiotic inhibits protein synthesis by binding to the 30S ribosomal subunit and preventing the addition of amino acids to protein chains?
A) Tetracycline
B) Sulfonamides
C) Trimethoprim
D) Macrolides
A) Tetracycline
Which antibiotic inhibits protein synthesis by binding to the 50S ribosomal subunit and blocking peptide bond formation?
A) Macrolides
B) Sulfonamides
C) Trimethoprim
D) Tetracycline
A) Macrolides
Which antibiotic blocks folate metabolism by inhibiting PABA incorporation into dihydropteroic acid?
E) Sulfonamides
F) Trimethoprim
G) Tetracycline
H) Macrolides
E) Sulfonamides
Which antibiotic blocks folate metabolism by inhibiting dihydrofolic acid reductase?
A) Trimethoprim
B) Tetracycline
C) Macrolides
A) Trimethoprim
Which one is resistant to the action of penicillinase?
A) Methicillin
B) Penicillin G
C) Ampicillin
D) Amoxicillin
A) Methicillin
Co-trimoxazole is a combination of trimethoprim and which other drug?
A) Fluoroquinolones
B) Penicillin V
C) Sulfamethoxazole
D) Cephalosporins
C) Sulfamethoxazole
All types of hormonal birth control have progestin, but only fixed, multiphasic, and continuous oral preparations and the transdermal patch contain estrogen as well.
A) True
B) False
A) True
Which one of the following statements correctly applies to hormonal contraceptives?
A) They are associated with few adverse effects
B) They can only be injected or applied as a patch
C) They make cervical gland secretions optimal for sperm migration
D) They are very effective when taken correctly.
D) They are very effective when taken correctly.
What is true about the study of gossypol?
A) It decreased sperm count when taken orally in 99% of subjects
B) It produces a contraceptive effect that is reversible following discontinuation of the drug after 5 years
C) It is derived from canola seed oil
D) It is widely used in Europe
A) It decreased sperm count when taken orally in 99% of subjects
What is an antibiotic?
A) a chemical substance that suppresses the growth of bacteria and may eventually destroy them
B) a chemical substance that enhances the growth of bacteria and promotes their growth
C) a medicine used to treat cancerous cells
A) a chemical substance that suppresses the growth of bacteria and may eventually destroy them
Which one of these classifications are used in antibiotics?
A) broad and narrow spectrum
B) broad and small spectrum
C) small and narrow spectrum
D) high and low spectrum
A) broad and narrow spectrum
Penicillin-G, a narrow spectrum antibiotic, is particularly effective against Gram-negative bacteria.
A) True
B) False
B) False
** It is effective against gram-positive bacteria.
Tetracyclines, broad spectrum antibiotics, are useful against a wide range of microorganisms, and primarily attack gram-negative bacteria.
A) true
B) false
B) false
**they work against both gram negative and positive bacteria.