Free Questions and Answers for All Medical Students all over the World
Q- A patient with a family history of myocardial infarction and congestive heart failure is advised to add cold water fish oil to his diet. Which of the following is the action of fish oil to reduce his risk for developing ischemic heart disease? A- It enhances fatty acid metabolism B- It reduces arachidonic acid … Read more
Q- A 12-year-old girl complains of fatigue, shortness of breath for 3 days. A week ago, she developed running nose, cough and sore throat and all her symptoms resolved spontaneously in 3 days. She has no history of major illness or surgeries and receives no treatment. Examination reveals a gallop, soft first heart sound and … Read more
Q- A 30-year-old man presents to the office for progressive pain with urination for 1 year. He also complains of episodes of blood in urine in different occasions. He lived in Egypt until he came to the states 6 months ago. Physical examination reveals suprapubic tenderness. Imaging shows bilateral hydroureter and hydronephrosis and calcification in … Read more
Q- Increased concentration of malonyl-CoA most likely inhibits which one of the following biochemical processes? A- Fatty acid oxidation B- Fatty acid synthesis C- Glycolysis D- Oxidative phosphorylation Q- A patient presents with biliary colic for a week with pain in his right shoulder after eating a fatty meal. Examination reveals marked right upper quadrant … Read more
Q- Waterhouse-Friderichsen syndrome is characterized by which of the following conditions? A- Abdominal pain, diarrhea and leukocytosis B- Adrenal insufficiency, hypotension and disseminated intravascular coagulation C- Back pain, fever and night sweats D- Chest pain, pericardial effusion and persistent fever Q- 1-α-Hydroxylase activity is increased in which of the following conditions? A- Hypocalcemia and hypophosphatemia … Read more
Q- A patient presents with end-stage chronic renal disease. Which of the following substances is most likely increased in blood value in this patient? A- Calcium B- Erythropoietin C- Hematocrit D- Phosphate Q- Calcitonin acts on which one of the following cell types to decrease serum calcium and bone resorbing activity? A- Osteoblast B- Osteoclast … Read more