Free Questions and Answers for All Medical Students all over the World
A 29-year-old woman with a history of rheumatic heart disease and prosthetic aortic valve presents to her physician for consultation. She is referred by her dentist for prophylaxis before she undergoes an oral surgery next month. She has no history of bacterial endocarditis. She is allergic to penicillin. Which of the following is the prophylactic … Read more
Q- A 50-year-old man has noticed darker urine for the last week. There is no pain, discomfort or any other symptoms. Examination reveals no abnormalities. Urine analysis shows 2+blood, no glucose or protein. Urine cytology shows atypical cells. Cystoscopy shows no mucosal lesions of the urinary bladder. He has a 30-year history of smoking. Which … Read more
Q- A patient presents to the ER with multiple episodes of tonic clonic seizures for the past hour. The patient does not recover between these episodes. Which of the following is the treatment of choice in this condition? A- Diazepam B- Gabapentin C- Phenytoin D- Valproic acid Q- A 56-year-old man with a history of … Read more
Q- An 18-year-old man presents to the office for evaluation of multiple swellings in his neck. On examination, he has multiple large lymph nodes in his neck. Neurological examination reveals poor coordination on walking. Biopsy of lymph node is positive for lymphoma. He is diagnosed with ataxia-telangiectasia. What is the etiology of this disorder? A- … Read more
Q- Achalasia is a motility disorder of the esophagus characterized by impaired relaxation of the lower esophageal sphincter. Which of the following is the most likely etiology of this condition? A- Adenocarcinoma of the lower esophagus B- Degeneration of the inhibitory neurons of the myenteric plexus C- Obstruction caused by Schatzki rings D- Prolonged intubation … Read more
A 72-year-old man presents to the office for evaluation of new symptoms. He has a history of cancer and takes chemotherapeutic treatment. Now he complains of dyspnea and mild fatigue since last week. Examination reveals temperature of 98.3 F, pulse of 80/min, blood pressure of 140/86 and respiratory rate of 22/min. On chest auscultation, there … Read more