Free Questions and Answers for All Medical Students all over the World
An Acrobat player fell from a height of about 30 feet on her back during her performance and sustained a serious injury. Her thoracic and abdominal muscles are completely paralyzed. She is still able to breathe as the diaphragm is not paralyzed by this injury. What is the most likely level of her injury? A-Second … Read more
A 12-year-old boy with a history of cystic fibrosis develops dyspnea, cough and fever. His temperature is 103.1 F, his pulse is 120/min and his oxygen saturation is 85%. Lung examination reveals bilateral rhonchi. What is the appropriate antibiotic treatment? A-Ampicillin B-Ampicillin and gentamicin C-Ceftazidime D-Ceftazidime and gentamicin E-Vancomycin Answer This is a case of … Read more
A 26-year-old man presents to the clinic with a complaint of recurrent episodes of bloating, flatulence and diarrhea following eating dairy products. He mentions that he does not experience these symptoms if he does not drink milk or if he is fasting. What is the most likely cause of diarrhea in this patient? A-Inflammatory B-Osmotic … Read more
Studies are done on normal volunteers for phase 1 clinical trials of a new drug. The volume of distribution and clearance has been measured. The researchers now are calculating the half-life of the drug. Assuming that the volume of distribution is 60 L and the clearance is 3 L/hour, what is the approximate half-life of … Read more
A 32-year-old woman with a history of generalized anxiety disorder develops numbness of her face particularly around her mouth. Physical examination and x-ray show no abnormalities other than markedly increased respiratory rate. Laboratory investigations are as follows: PO2: 100 mmHg PCO2: 30 mmHg Bicarbonate: 18 mEq/L pH of blood: 7.51 Which of these findings shows … Read more
A 40-year-old man who works in a manufacture of explosives presents to the clinic for a routine physical examination. Medical history reveals that the patient experiences episodes of headache and palpitation every Monday. Physical examination, laboratory tests and ECG show normal results. The patient questions if the chemicals related to his job could be responsible … Read more