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111) Which of the following best explains why many former prescription drugs have become over-the-counter (OTC) drugs? A) Consumers are more aware, and pharmaceutical marketing strategies have improved. B) Many drug actions, once believed to be harmful, have been found to be relatively safe. C) Physicians have lobbied to reduce the number of prescriptions they must write. D) Prescription-only medications are much more expensive to manufacture. 112) What is the assigned schedule number for phenobarbital according to the Controlled Substances Act of 1970? A) I B) II C) III D) IV 113) You are seeing a 69-year-old female patient complaining of fatigue and nausea. She has a history of heart failure and two previous myocardial infarctions. She reports having blurred vision with halos around objects. Her vitals are 144/88, her pulse is 110 and irregular, and her ventilations are 16. What should you suspect is causing her symptoms? A) Impaired cerebral perfusion secondary to heart failure B) Acute closed-angle glaucoma C) Toxic blood levels of digoxin D) Cerebral embolus secondary to atrial fibrillation 114) Benzodiazepines and barbiturates achieve their sedation effects by ________ in the CNS. A) Enhancing the GABA receptor sites B) Depolarizing the neural membranes C) Blocking the GABA receptor sites D) Blocking the dopaminergic receptor sites 115) Which of the following medications prevents coagulation by antagonizing the effects of vitamin K? A) Streptokinase (Streptase) B) Heparin C) Aspirin D) Warfarin (Coumadin) 116) Propranolol (Inderal) causes a ________ effect. A) Positive chronotropic B) Negative chronotropic C) Positive dromotropic D) Positive inotropic 117) All of the following changes in the geriatric patient affect the pharmacokinetics of a medication, EXCEPT: A) Decreased gastrointestinal motility B) Depressed liver function that may prolong drug action C) Increased body fat and decreased muscle mass D) Uncompromised renal function 118) Physostigmine (Antilirium) is a useful antidote for which drug overdose? A) Atropine B) Dopamine C) Norepinephrine D) Epinephrine 119) Which of the following foods should a patient on MAOIs avoid? A) Cheese B) White wine C) Chocolate D) Bananas 120) Shortly after you have treated a patient who was experiencing a cardiac dysrhythmia, the patient complains of dry mouth, blurred vision, palpitations, and sensitivity to light. Which of the following drugs is most likely to cause these effects? A) Adenosine B) Lidocaine C) Amiodarone D) Atropine

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