ATI RN
Chemotherapy drugs Questions
Question 1 of 5
The most effective single chemotherapeutic agent of those indicated, in the treatement of tuberculosis is
Correct Answer: C
Rationale: Streptomycin was historically the most effective single agent against TB among these options, though now used in combinations.
Question 2 of 5
To be effective in ulcerative colitis, 5-aminosalicylic acid has to be given as
Correct Answer: D
Rationale: 5-ASA is effective in ulcerative colitis via all these delivery methods, targeting the colon specifically.
Question 3 of 5
The drug of choice for prophylaxis of meningococcal meningitis during an epidemic is
Correct Answer: C
Rationale: Rifampin is the drug of choice for meningococcal meningitis prophylaxis due to its ability to eradicate Neisseria meningitidis carriage.
Question 4 of 5
Indicate the condition in which neither trimethoprim nor sulfamethoxazole alone are effective, but their combination cotrimoxazole is
Correct Answer: C
Rationale: Cotrimoxazole is uniquely effective against Pneumocystis jirovecii pneumonia due to synergistic folate pathway inhibition.
Question 5 of 5
Indicate the drug which attain therapeutic antibacterial concentration in the urinary tract but not in other tissues
Correct Answer: C
Rationale: Nitrofurantoin concentrates in urine, achieving therapeutic levels there but not in other tissues.