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.
61. Elimination after 4 half lives in first order kinetics is____________?
A. 84%
B. 93%
C. 80.5%
D. 4.75%
62. Majority of drugs are transported across the membrane by____________?
A. Passive diffusion
B. Active transport
C. Facilitated trasnsport
D. Filtration
63. IF patient suffered from exaggerated effect of pharmacological effect____________?
A. Idosyncrasy
B. Toxicity
C. Side effect
D. None of the above
64. A prodrug is____________?
A. The proto type member of a class of drugs
B. The oldest member of a class of drugs
C. An inactive drug that is transformed in the body to an active metabolite
D. A drug that is stored in body tissues and is then gradually released in the direction
65. Plasma concentration of drug at time 0 is 96g/mL. if t1/2 is 2 hours concentration is plasma at 10 hours will be___________?
A. 48
B. 24
C. 12
D. 3
66. Km value indicates______________?
A. Purity of Enzyme
B. Physiological role
C. Half life enzymes drug complex
D. Affinity
67. The ratio of the median lethal dose of the median effective dose is the_____________?
A. Morbidity index
B. Moratality index
C. Anesthetic ratio
D. Therapeutic index
68. Therapetic index indicates____________?
A. Drug toxicty
B. Drug potency
C. Drug safety
D. Drug’s Lethal effect
69. Teratogenicity results when drugs are given during____________?
A. First trimester
B. Second trimester
C. Third trimester
D. Soon after birth
70. The following statements are true about intravenous route of drug administration EXCEPT____________?
A. It is useful in emergencies
B. Aseptic precautions are required
C. Bioavailability is 100%
D. Suspensions can be administered