Free Questions and Answers for All Medical Students all over the World
A week old female presents for her first checkup. Examination reveals jaundice and splenomegaly. Laboratory investigations show: Total bilirubin level: 27 mg/dL Direct bilirubin: 0.6 mg/dL Hgb: 10.1 g/dL Reticulocytes: 6% A blood smear shows burr cells and spherocytosis. Which of these tests will be positive in this patient? A-Acid hemolysis test B-Coomb’s test C-Osmotic … Read more
A 32-year-old man with a history of HIV infection presents to the clinic complaining of fecal urgency and bloody diarrhea. The patient was diagnosed with pneumocystis jiroveci pneumonia 6 months ago. Which of these organisms is the most likely involved in this condition? A-Clostridium difficile B-cytomegalovirus C-Entamoeba histolytica D-Giardia lamblia Answer Fecal urgency and bloody … Read more
A 62-year-old man who has a history of various drug overdose incidents presents to the emergency room after administration of a high dose of aspirin. Which set of these findings characterizes this condition? A-Metabolic acidosis and respiratory acidosis B-Metabolic acidosis and respiratory alkalosis C-Metabolic alkalosis and respiratory acidosis D-Metabolic alkalosis and respiratory alkalosis Answer Salicylate … Read more
A 3-month-old girl is brought to the clinic due to weakness and pallor for one week. History claims that she was born after premature delivery. She is normal in development and growth. She is breastfed and her immunizations are up to date. What is the most appropriate treatment? A-Milk formula instead of breastfeeding B- Iron … Read more
A 1-year-old girl is brought to the pediatrician by her parents due to poor growth and skeletal abnormalities. Laboratory investigations show microcytic anemia and higher concentration of hemoglobin A2. Which is the most likely diagnosis? A- Sickle cell anemia B- β-thalassemia C- Lead poisoning D- Iron deficiency Answer β-thalassemia is an inherited blood disorder that … Read more
A 60-year-old man visits the clinic due to profuse watery diarrhea and left lower abdominal colicky pain for the last 6 hours. Upon taking history, the patient claims that he is taking broad spectrum antibiotics for acute bronchitis. Which is the most likely causative organism for the patient’s new symptoms? A- Clostridium botulinum B- Clostridium … Read more