Free Questions and Answers for All Medical Students all over the World
A 72-year-old woman presents to her physician complaining of abdominal pain and frequent episodes of burning micturition. After physical examination and laboratory tests, she is diagnosed with urinary tract infection. She is prescribed gentamicin in addition to other medications. What is the most likely complication attributed to this antibiotic? A-Hepatic toxicity B-Hearing loss C-Thrombocytopenia D-Agranulocytosis … Read more
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 … Read more
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 … Read more
Q- A group of drugs that bind to a receptor but do not produce any pharmacological effect is called Which one of the following? A- Agonist B- Antagonist C- Partial agonist Q- Which one of the following amines is permanently charged? A- Primary amines B- Secondary amines C- Tertiary amines D- Quaternary amines Q- Administration … Read more
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 … Read more
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 … Read more