Free Questions and Answers for All Medical Students all over the World
Q- In a case of methemoglobinemia, which one of the following is the most likely cause of the brown color of the patient’s blood? A- Carbon monoxide B- Decreased oxygen affinity C- Oxidized hemoglobin D- Reduced hemoglobin Q- Which of the following agents most likely causes vasoconstriction? A- Bradykinin B- Histamine C- Nitric oxide D- … Read more
Q- In which one of the following locations a mural thrombus commonly occurs following myocardial infarction? A- Left atrium B- Left ventricle C- Right atrium D- Right ventricle E- Thoracic aorta Q- Bones of calvarium and facial bones are formed by which one of the following types of ossification? A- Endochondral ossification B- Membranous ossification … Read more
Q- Which of the following anti-retroviral treatments is a non-competitive reverse transcriptase inhibitor? A- Didanosine B- Nevirapine C- Saquinavir D- Zidovudine Q- Which of the following are the most likely effects of beta blockers on the end-diastolic volume (EDV) and the ejection time (ET)? A- Both of them decrease B- Both of them increase C- … Read more
Q- Which one of the following factors is the most accurate measure for the severity of diabetic ketoacidosis? A- Blood ketones B- Serum bicarbonate level C- Serum glucose level D- Urine ketones Q- A patient develops severe diarrhea after 2 weeks of treating pneumonia with broad-spectrum antibiotics. Which of the following is the first line … Read more
Q- Which one of the following antibiotics does NOT affect anaerobes? A- Ampicillin B- Clindamycin C- Metronidazole D- Tobramycin Q- Anemia occurs in cases of multiple myeloma; most likely results from which one of the following factors? A- Defective absorption of urine B- Infiltration of bone marrow with massive numbers of plasma cells C- Loss … Read more
Q- A patient with HIV history develops fecal urgency and bloody diarrhea. Which of the following is the most likely causative organism? A- Entamoeba histolytica B- Clostridium difficile C- Cytomegalovirus D- Giardia lamblia Q- Which one of the following medications acts at the proximal tubule of the kidney? A- Acetazolamide B- Furosemide C- Hydrochlorothiazide D- … Read more