A 64-year-old man, recently diagnosed with Alzheimer disease, was put on a drug to improve his memory. What could be the mechanism of action of the prescribed drug?
A 38-year-old woman was admitted to the emergency department because of dyspnea, generalized itching, and swelling of the lips, eyelids, and tongue. The symptoms started a few minutes after an intramuscular (IM) injection of penicillin. A diagnosis of anaphylactic shock was made. Which of the following must be administered in this patient?
A 49-year-old man, recently diagnosed with chronic obstructive pulmonary disease, started a therapy with an anticholinergic drug that has negligible effects on bronchial secretions and mucociliary clearance. What could be the drug given in this patient?
A 52-year-old woman suffering from severe bronchial asthma was recently diagnosed with open-angle glaucoma. All the following drugs are indicated in this patient, EXCEPT
A 47-year-old woman suffering from postmenopausal hot flashes was started on clonidine. Which of the following best explains the most likely mechanism of action of clonidine in this patient?
A 45-year old man was brought to the emergency department with the possible diagnosis of myocardial infarction. Vital signs were blood pressure 95/60 mmHg, heart rate 42 bpm, respirations 12/min. Which of the following drugs is helpful to counter the bradycardia in this patient?
A 64-year-old woman suffering from open-angle glaucoma was prescribed a topical drug that decreased aqueous humor production. Which of the following drugs is responsible for this action?
A 73-year-old woman with a long history of type 2 diabetes mellitus, recently diagnosed with neurogenic atony of the bladder. Which of the following drugs help the patient to facilitate voiding of the bladder?
A 23-year-old man experienced severe motion sickness whenever he traveled to high altitude areas. He was advised by his family physician to apply a transdermal patch before traveling. Which of the following drugs is available in this formulation?
A 33-year-old man with severe bronchial asthma started treatment with an inhaled β2 agonist 2 weeks earlier. Which of the following adverse effects was most likely to occur during the therapy?
A 64-year-old woman with a long history of open-angle glaucoma was prescribed a topical drug 2 weeks earlier causing difficulty in reading newspaper. Which of the following drugs is responsible for this action?
A 60-year-old man hospitalized following a myocardial infarction showed a pronounced decrease in blood pressure and urine output 2 hours after the admission. A diagnosis of cardiogenic shock was made, and an emergency therapy with dopamine was started. All the following actions are mediated by dopamine in this setting, EXCEPT
A 58-year-old man suffering from benign prostatic hyperplasia started a therapy with tamsulosin for the treatment of the patient’s impaired bladder emptying. Which of the following drugs is absolutely contraindicated in this patient?
A 35-year-old farmer was brought to the emergency department with severe abdominal cramps, blurred vision, vomiting, and painful muscle contractions in his legs. A preliminary diagnosis of poisoning with an organophosphate pesticide was made. Which of the following drugs is able to regenerate cholinesterases blocked by organophosphates?
A 59-year-old man, recently diagnosed with myasthenia gravis, started treatment with neostigmine. Which of the following statements is incorrect?
A 63-year-old woman underwent a breast reduction surgery to remove cancerous tissue. Operation was performed under general anesthesia. Which of the following drugs reverse the skeletal muscle paralysis after the operation?
A 23-year-old girl was treated topically with eye drops during a routine ophthalmoscopic examination. Which of the following drugs could increase the pupillary diameter without changing the curvature of lens and intraocular pressure?
A 67-year-old woman with a long history of type 2 diabetes mellitus, visits her family physician with complaints of frequent urine leakages. Which of the following drugs could help the patient to manage her symptoms?
A 49-year-old woman recently diagnosed with exertional angina started treatment with metoprolol. Which of the following cardiovascular parameters was most likely decreased in this patient?