Pharmacology and Toxicology MCQs and Notes

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📊 Pharmacology and Toxicology
Q. . . . . . . . . is also known as corpuscular or vesicular transport, because cell membrane engulfs extracellular material by forming a vesicle or saccule, which is destructed by the enzymes present within the cell and lysozyme later on.
  • (A) Endocytosis
  • (B) Phagocytosis
  • (C) Pinocytosis
  • (D) None of the above
💬 Discuss
✅ Correct Answer: (A) Endocytosis
📊 Pharmacology and Toxicology
Q. Blood pressure is . . . . . . . . by hypnotic doses of barbiturates which reduce cardiac output and induce vasodilatation and peripheral pooling of blood.
  • (A) Changed
  • (B) Enhanced
  • (C) Maintained
  • (D) Lowered
💬 Discuss
✅ Correct Answer: (D) Lowered
📊 Pharmacology and Toxicology
Q. Selenium sulfide is used topically as a/an:
  • (A) Antifungal
  • (B) Anti bacterial
  • (C) Kerolytic agent
  • (D) All the above
💬 Discuss
✅ Correct Answer: (A) Antifungal
📊 Pharmacology and Toxicology
Q. . . . . . . . . is used as single agent for the prevention of exercise induced bronchospasm in those who do not have persistent asthma.
  • (A) Salbutamol
  • (B) Salmeterol
  • (C) Fenoterol
  • (D) Ibuterol
💬 Discuss
✅ Correct Answer: (B) Salmeterol
📊 Pharmacology and Toxicology
Q. Over use of digitalis may result in
  • (A) Habituation
  • (B) Tolerance
  • (C) Addiction
  • (D) Cumulative poisoning
💬 Discuss
✅ Correct Answer: (D) Cumulative poisoning
📊 Pharmacology and Toxicology
Q. Testing in healthy subjects to gather information on chemical action safe dose level and safety is?
  • (A) Phase-I
  • (B) Phase-II
  • (C) Phase-III
  • (D) Phase-IV
💬 Discuss
✅ Correct Answer: (A) Phase-I
📊 Pharmacology and Toxicology
Q. Advantages of Intravenous route of administration of drugs.
  • (A) Useful in case of vomiting, diarrhea
  • (B) Useful for unconscious or uncooperative patients
  • (C) Provides rapid onset of action
  • (D) All of the above
💬 Discuss
✅ Correct Answer: (D) All of the above
📊 Pharmacology and Toxicology
Q. Artemisinin contains the following group in its structure.
  • (A) An endoperoxide
  • (B) An exoperoxide
  • (C) An epoxide
  • (D) An acid hydrazide
💬 Discuss
✅ Correct Answer: (A) An endoperoxide
📊 Pharmacology and Toxicology
Q. . . . . . . . . acts by slowing down the influx of sodium ions into the cardiac muscle cells thus decreasing the excitability of the cells
  • (A) Propafenone
  • (B) Procainamide
  • (C) Flecainide
  • (D) Lidocaine
💬 Discuss
✅ Correct Answer: (A) Propafenone
📊 Pharmacology and Toxicology
Q. . . . . . . . . is commonly used intramuscular preparation which contains 50mg/ml of elemental iron.
  • (A) Sorbitex injection
  • (B) Polyisomaltose
  • (C) Iron dextran Injection
  • (D) Iron adenylate
💬 Discuss
✅ Correct Answer: (C) Iron dextran Injection

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