Pharmacology Mcqs
Question: Km value indicates______________?
- 1. Purity of Enzyme
- 2. Physiological role
- 3. Half life enzymes drug complex
- 4. Affinity
Question: The ratio of the median lethal dose of the median effective dose is the_____________?
- 1. Morbidity index
- 2. Moratality index
- 3. Anesthetic ratio
- 4. Therapeutic index
Question: Therapetic index indicates____________?
- 1. Drug toxicty
- 2. Drug potency
- 3. Drug safety
- 4. Drug’s Lethal effect
Question: Teratogenicity results when drugs are given during____________?
- 1. First trimester
- 2. Second trimester
- 3. Third trimester
- 4. Soon after birth
Question: The following statements are true about intravenous route of drug administration EXCEPT____________?
- 1. It is useful in emergencies
- 2. Aseptic precautions are required
- 3. Bioavailability is 100%
- 4. Suspensions can be administered
Question: The dose of a drug required to produce a specified effect in 50% of the population is_____________?
- 1. Ld50
- 2. Td50
- 3. Md50
- 4. Ed50
Question: American society of anesthesiologists physical status classification system, P2 is a is a patient who______________?
- 1. Is healthy
- 2. With mild systemic disease
- 3. With severe systemic disease
- 4. None of the above
Question: A drug A & B compared, all are true except____________?
- 1. 1 mg of A causes same effect of 3 mg of B, so A is more potent
- 2. 1 mg of A cause effect not even caused by maximum tolerated dose of B, so drug A is more efficacious
- 3. 1 mg of A cause effect not caused by 1 mg of B so A is more efficacious
- 4. Efficacy is not dose dependent
Question: According to American society of Anesthetists, physical status scale Class III would be_____________?
- 1. A normal healthy individual
- 2. A patient with mild systemic disease
- 3. A patient with severe systemic disease that it not in capacitating
- 4. None of the above
Question: Drug binds to activate the receptor is same fashion, which directly or indirectly brings effect, is_____________?
- 1. Inverse agonist
- 2. Antagonist
- 3. Agonist
- 4. Partial agonist