PLE Category: Pharmacology

PLE-6282

A 53-year-old male, admitted at the Medical ICU after having a myocardial infarction, develops ventricular tachycardia. Which of the following anti-arrhythmics is most appropriate?

PLE-6283

Flumazenil may be effective in patients who overdosed on the following sedative-hypnotics, except which ones?

PLE-6284

Which of the following IV anesthetics is the only one that causes cardiovascular stimulation? Its use in neurosurgical operations is limited due to its propensity to increase intracranial pressure.

PLE-6277

A 48-year-old male farmer, with a history of alcohol abuse, is rushed to the emergency room after deliberately ingesting 300 mL of an unknown pesticide while intoxicated. Upon examination, it is observed that the patient has pinpoint pupils and frothy secretions at the mouth. Once it is determined that the patient has ingested malathion, immediate treatment with pralidoxime is initiated. Pralidoxime and malathion are examples of:

PLE-6278

A recently diagnosed hypertensive was started on a BP lowering agent. Due to financial constraints, the patient abruptly stopped taking the prescribed medications after stocks were consumed. A day later, the patient was brought to the clinic for lightheadedness. On admission, the patient’s BP was 180/100. Which of the following anti-hypertensives, known for rebound hypertension, was most likely taken by the patient?

PLE-6279

Leukotrienes are among the most potent bronchoconstrictors implicated in the pathogenesis of bronchial asthma. Which of the following is a leukotriene receptor inhibitor that has found clinical application in asthma prophylaxis?

PLE-6280

A 28-year-old male car mechanic was brought to the emergency room after ingesting automobile antifreeze. ABG reveals high anion gap metabolic acidosis, while urinalysis reveals calcium oxalate crystals. You suspect ethylene glycol poisoning. Which of the following drugs is recommended?

PLE-6274

A 55-year-old woman was recently diagnosed with an adrenal mass due to symptoms of sweating, elevated blood pressure, and severe headaches. Which of the following nonselective, irreversible alpha blockers is the drug of choice as a preoperative agent used in this disease?

PLE-6275

A 72-year-old man has been diagnosed with glaucoma. Which of the following drugs induces ciliary muscle contraction, thereby opening the trabecular meshwork and increasing the outflow?