A 30-year-old man with a history of recurrent generalized tonic-clonic seizures visits his psychiatrist to refill his prescriptions. He complains of recent diplopia and ataxia. His doctor thinks that these new symptoms are related to one of his medications. Which of these drugs is most likely responsible for these new symptoms? A-Acetazolamide B-Carbamazepine C-Clonazepam D-Ethosuximide […]
pharmacology
Repeated USMLE Questions Step 1- 291
A 49-year-old man who is recently diagnosed with hypertension and has a history of bronchial asthma and Raynaud syndrome visits his physician for initiation of his treatment plan. In selecting the appropriate antihypertensive drug, which of the following is the best treatment for this patient? A-Atenolol B-Captopril C-Diltiazem D-Metoprolol E-Verapamil Answer A calcium channel blocker […]
Pharmacology MCQs- 215
A 64-year-old man arrives to the emergency room after recurrent vomiting of blood for the last 2 hours. He recently underwent right hip replacement and had taken heparin to prevent thromboembolic complications. Internal bleeding is suspected and treatment with protamine has begun. What kind of antagonism is related to this treatment? A- Chemical B- Competitive […]
Pharmacology MCQs- 214
1- A group of drugs bind to a receptor but do not produce any pharmacological effect is called: A-Agonist B-Antagonist C- Partial agonist 2- Which of these amines is permanently charged? A-Primary B-Secondary C-Tertiary D-Quaternary 3- Administration of which one of these can increase the excretion of a weak acid i.e. Aspirin toxicity? A-A weak […]
Pharmacology MCQs- 213
A 26-year-old man complains of cough, night fever, loss of weight, anorexia and night sweats for six weeks presents to his physician. Physical examination reveals vital signs within normal limits except for slight fever. Chest x-ray shows a small cavity in the right middle lobe and enlarged bronchopulmonary lymph nodes. Blood analysis reveals lymphocytosis and […]
Pharmacology MCQs- 212
A 45-year-old man who was diagnosed with malaria and received anti-malarial medication presents to the office with progressive fatigue and loss of appetite. He also mentions that he noticed that his urine has become dark lately. Urinalysis is positive for both bilirubin and urobilinogen. Blood studies show serum total bilirubin of 4.3 mg/dL, hemoglobin concentration […]