Antitubercular Drugs Practice Questions
20 free Antitubercular Drugs practice questions for the Pharmacology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Antitubercular Drugs questions
- Q1. Which of the following describes the primary mechanism of action for Isoniazid (INH)?
- Q2. Which enzyme is the specific target of Rifampin in Mycobacterium tuberculosis?
- Q3. A patient on antitubercular therapy develops peripheral neuropathy. Which supplement should have been co-administered to prevent this side effect?
- Q4. Which antitubercular drug is known for causing dose-related optic neuritis, manifesting as decreased visual acuity and loss of red-green color discrimination?
- Q5. Pyrazinamide is unique among first-line antitubercular drugs because its activity is greatest in which environment?
- Q6. Which of the following side effects is a common, harmless occurrence associated with Rifampin that patients should be counseled about?
- Q7. The rate of Isoniazid metabolism varies significantly among individuals due to genetic polymorphisms in which enzyme?
- Q8. Which of the following lab abnormalities is commonly associated with Pyrazinamide therapy due to its inhibition of renal urate excretion?
- Q9. What is the primary mechanism of action for Ethambutol?
- Q10. Rifampin is a potent inducer of which enzyme system, leading to numerous drug-drug interactions?
- Q11. Which antitubercular drug is most associated with hepatotoxicity, a risk markedly increased by chronic alcohol consumption?
- Q12. In the standard 6-month 'short-course' regimen for drug-susceptible TB, which drugs are typically used during the initial 2-month phase?
- Q13. Which of the following is a second-line antitubercular agent that works by inhibiting the mycobacterial ATP synthase enzyme?
- Q14. What is the primary reason for using multi-drug therapy in the treatment of Tuberculosis?
- Q15. Which second-line agent is an analog of D-alanine and inhibits cell wall synthesis, but is limited by CNS toxicities like seizures and psychosis?
- Q16. Streptomycin, an aminoglycoside used for TB, must be administered by which route?
- Q17. Which drug is often used as a substitute for Rifampin in HIV patients receiving protease inhibitors because it is a less potent inducer of CYP450?
- Q18. A patient develops 'Flu-like syndrome' (fever, chills, myalgia) when taking Rifampin. This is most likely to occur under which dosing schedule?
- Q19. Which antitubercular drug is structurally related to Isoniazid and also inhibits mycolic acid synthesis, but causes significant GI irritation and a metallic ta…
- Q20. Latent Tuberculosis Infection (LTBI) is most commonly treated with which single-drug regimen?