APPLIED PHARMACOLOGY FOR THE DENTAL HYGIENIST 7TH EDITION HAVELES TEST BANK

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Chapter 02: Drug Action and Handling Haveles: Applied Pharmacology for the Dental Hygienist, 7th Edition MULTIPLE CHOICE 1. A drug is defined as a biologically active substance that can modify: a. the environment. b. the pH of tissue. c. cellular function. d. immune response. ANS: C Correct: A drug can modify cellular function. A general understanding of drug action allows the dental hygienist to make informed decisions regarding possible drug interactions or adverse reactions for the patient. Incorrect choices: It is a concern that discarded drugs may be affecting the environment, but this is not the definition of a drug. Some drugs may have the capacity to modify body compartment pH; however, this is not the definition for a drug. Some drugs may have the capacity to modify the immune response, but this is not the definition of a drug. REF: Introduction | p. 11 OBJ: 2 2. In comparing two drugs, the dose-response curve for the drug that is more efficacious would: a. be closer to the y axis. b. be farther from the y axis. c. have a greater curve heigNht. R I G B.C M d. have a higher median effecUtiveSdosNe (ETD50). O ANS: C Correct: Efficacy is an expression of maximum intensity of effect or response that can be produced by a drug. Incorrect choices: The other choices refer to indicators of drug potency, not efficacy. The potency of a drug is a function of the amount of drug required to produce an effect. The potency of drug is shown by the location of that drug’s curve along the log-dose axis (x axis). REF: Characterization of Drug Action (Efficacy) | p. 12 OBJ: 1 3. Administering a drug of greater potency is better because drugs of greater potency do not require as high a dose. a. Both parts of the statement are true. b. Both parts of the statement are false. c. The first part of the statement is true; the second part is false. d. The first part of the statement is false; the second part is true. ANS: D Correct: The first part of the statement is false, the second part is true. The absolute potency of a drug is immaterial as long as the appropriate dose is administered. If equally efficacious, both drugs will produce the same effect.

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  • Pages 17
  • School / University Harvard University
  • Course Nursing
  • Category Test banks
  • Course Level University level
  • Year 2022
  • Keywords

    APPLIED PHARMACOLOGY FOR THE DENTAL HYGIENIST 7TH EDITION HAVELES TEST BANK, HAVELES, APPLIED PHARMACOLOGY FOR THE DENTAL HYGIENIST, PHARMACOLOGY, DENTAL HYGIENE

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