PHARMACOLOGY AND DENTAL QUIZ WITH VERIFIED ANSWERS.

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01. The steady-state concentration of a drug can be double by: a. Doubling the both rate of infusion and concentration of drug. b. Doubling the rate of infusion only. c. Doubling the loading dose b... ut maintaining the infusion rate. d. Tripling the rate of infusion. e. Duadrupling the rate of infusion. Key: b 02. Phase II reactions of a drug biotransformation: a. Decreases its water solubility. b. Includes activity of cytochrom P-450. c. Usually leads to inactivation of the drug. d. Does not include acetylation. e. Occur at the same rate in adults and the new born. Key: c 03. Half-life of a drug may be helpful to determine: a. Dosage schedule of the drug. b. Level of absorption. c. Distribution into different body systems. d. Rate of absorption through GIT. e. Time to get the steady state. Key: e Topic Specification: Autonomic Nervous System (MCQ 4 – 6) Reference: Lippincott’s Pharmacology, 3rd Ed. 04. A 3 year old child has been admitted to emergency with suspicious of atropine overdose as there are: a. Abdominal cramps. b. Increased gastric secretion. c. Increased cardiac rate. d. Papillary constriction. e. Increased urinary frequency. Key: c 05. Epinephrine does not cause increase concentrations of: a. Glucose in blood. b. Lactate in blood. c. Free fatty acids in blood. d. cAMP in heart muscle. e. Triglycerides in fat cells. Key: e 06. A 50 year old patient is having propranolol due to his cardiac problems but his physician now wants to stop this drug; which of the following is the most important reason for this step? a. Familial tremor. b. Partial AV heart block. c. Mild hypertension. d. Angina pectoris. e. Supraventricular tachycardias. Key: b [Show More]

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