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ID: A . c. 6. When reviewing the mechanism of action of a specific drug, the nurse reads that the drug works by selective enzyme interaction. This process occurs when the drug a. alters cell membrane permeability. b. enhances its effectiveness within the cell walls of the target tissue. c. is attracted to a receptor on the cell wall, preventing an enzyme from binding to that receptor d. binds to an enzyme molecule and inhibits or enhances the enzyme’s action with the normal target cell. 7. When administering a new medication to a patient, the nurse reads that it is highly protein bound. Assuming that the patient’s albumin levels are normal, the nurse would expect which result, as compared to a medication that is not highly protein bound? Renal excretion will be faster. b. The drug will be metabolized quickly. The duration of action of the medication will be shorter, d. The duration of action of the medication will be longer. 8. The nurse is administering medications to the patient who is in liver failure resulting from end-stage cirrhosis. The nurse is aware that patients with liver failure would most likely have problems with which pharmacokinetic phase? a Absorption b. Distribution c. Metabolism d. Excretion 9. The nurse is monitoring a patient who is in the 26th week of pregnancy and has developed gestational diabetes and pneumonia. She is given medications that pose a possible fetal risk, but the potential benefits may warrant the use of the medications in her situation. The nurse recognizes that these medications are in which U.S. Food and Drug Administration (FDA) pregnancy safety category? a Category X b. Category B c. Category C d. Category D 10. The nurse recognizes that it is not uncommon for an elderly patient to experience a reduction in the stomach’s ability to produce hydrochloric acid. This change may result in which effect? Delayed gastric emptying b. Increased gastric acidity Decreased intestinal absorption of medications d. Altered absorption of weakly acidic drugs e. 2
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