NURSING 242N FINAL EXAM 1 | LATEST VERSION

NURSING 242N FINAL EXAM 1 NURSING 242N FINAL EXAM 1 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Penicillin was considered a "miracle drug" for all of the following reasons EXCEPT 1) A) it inhibits gram -positive cell wall synthesis. B) it has selective toxicity. C) it kills bacteria. D) it does not affect eukaryotic cells. E) it was the first antibiotic. Answer: E 2) A drug that inhibits mitosis, such as griseofulvin, would be more effective against 2) A) mycobacteria. B) gram -negative bacteria. C) wall -less bacteria. D) gram -positive bacteria. E) fungi. Answer: E 3) Most of the available antimicrobial agents are effective against 3) A) bacteria. B) fungi. C) viruses. D) protozoa. E) All of the answers are correct. Answer: A 4) Antimicrobial peptides work by 4) A) disrupting the plasma membrane. B) complementary base pairing with DNA. C) inhibiting protein synthesis. D) inhibiting cell -wall synthesis. E) hydrolyzing peptidoglycan. Answer: A 5) In what way are semisynthetic penicillins and natural penicillins alike? 5) A) Both are bactericidal. B) Both are based on fi -lactam. C) Both are resistant to penicillinase. D) Both are resistant to stomach acids. E) Both are broad spectrum. Answer: B2 6) Which of the following antibiotics is NOT bactericidal? 6) A) rifampins B) penicillin C) polyenes D) aminoglycosides E) cephalosporins Answer: C 7) Which one of the following does NOT belong with the others? 7) A) streptomycin B) monobactam C) cephalosporin D) bacitracin E) penicillin Answer: