Basic Pharmacology INovember 28, 2019 / 0 Comments Welcome to AskPharmaTutor Quiz of Basic Pharmacology IFollow the instructions below to attempt the quizChoose one best option onlyFollow the timelineAfter attempting all the questions click on submit to get your result 1. Which of the following terms best describes a drug that blocks the action of epinephrine at its receptors by occupying those receptors without activating them? Pharmacological Antagonist Partial Agonist Physiological Antagonist Chemical Antagonist None 2. The following are excreted faster in basic urine Weak acids Strong Acids Weak Bases None of the above None 3. Which of the following is a phase II drug metabolizing reaction? Acetylation Deamination Hydrolysis Oxidation None 4. Which of the following provides information about the variation in sensitivity of the drug within the population studied? Maximal efficacy Therapeutic index Drug potency Quantal dose response curve None 5. Phenylephrine causes Constriction of vessels in the nasal mucosa Increased gastric secretion and motility Increased skin temperature All of the above None 6. Which of the following drugs may inhibit the hepatic microsomal P450 responsible for warfarin metabolism Cimetidine Ethanol Phenobarbital Rifampin None 7. A good example of chemical antagonism Heparin & Protamine Protamine & Zinc Heparin & Prothrombin All of the above None 8. A physical process by which a weak acid becomes less water soluble and more lipid soluble at low pH is Distribution Elimination First pass effect Protonation None 9. All of the following are general mechanism of drug permeation except Aqueous diffusion Aqueous hydrolysis Lipid diffusion Pinocytosis None 10. Distribution of drugs to specific tissues Is independent of blood flow to the organ Is independent of the solubility of the drug in that tissue Depends on the unbound drug concentration gradient between blood and tissue Has no effect on the half life of the drug None