Pharmacology explores the interactions between drugs and biological systems, as well as the body’s responses to these drugs. This discipline covers a wide range of topics, including the origins, chemical properties, biological effects, and therapeutic uses of drugs. The impact of drugs can range from therapeutic benefits to potential toxicity, and is influenced by various factors. GuruMCQs.com provides an extensive array of pharmacology MCQs, continuously updated to encompass a wide range of topics. These MCQs span various areas such as neuropharmacology, psychopharmacology, toxicology, clinical pharmacology, molecular and cellular pharmacology, and more. Curated from reputable pharmacology references, these MCQs serve as valuable resources for interviews, entrance exams, competitive assessments, and certifications, catering to individuals at all stages of their careers. Additionally, explore MCQson Dental Materials for further study.
71. The dose of a drug required to produce a specified effect in 50% of the population is_____________?
A. Ld50
B. Td50
C. Md50
D. Ed50
72. American society of anesthesiologists physical status classification system, P2 is a is a patient who______________?
A. Is healthy
B. With mild systemic disease
C. With severe systemic disease
D. None of the above
73. A drug A & B compared, all are true except____________?
A. 1 mg of A causes same effect of 3 mg of B, so A is more potent
B. 1 mg of A cause effect not even caused by maximum tolerated dose of B, so drug A is more efficacious
C. 1 mg of A cause effect not caused by 1 mg of B so A is more efficacious
D. Efficacy is not dose dependent
74. According to American society of Anesthetists, physical status scale Class III would be_____________?
A. A normal healthy individual
B. A patient with mild systemic disease
C. A patient with severe systemic disease that it not in capacitating
D. None of the above
75. Drug binds to activate the receptor is same fashion, which directly or indirectly brings effect, is_____________?
A. Inverse agonist
B. Antagonist
C. Agonist
D. Partial agonist
76. When a drug creates an effect that is unpredictable and unique it is termed as____________?
A. Side effect
B. Toxicity effect
C. Idiosyncratic effect
D. Drug on Drug effect
77. Drugs exhibiting first pass metabolism are all EXCEPT one______________?
A. Morphine
B. Nitroglycerine
C. Propranolol
D. Salicylates
78. Loading dose depends on_____________?
A. Volume of distribution
B. Clearance
C. Rate of administration
D. Half life
79. All the following increases drug metabolism by activating cytochrome enzyme, EXCEPT___________?
A. Tetracycline
B. Cimetidine
C. Rifampicin
D. Phenobarbitone
80. For Arsenic poisoning Antidote is_____________?
A. Penicillamine
B. E.D.T.A
C. Desferrixamine
D. B.A.L