Organ system anatomy Practice Questions
20 free Organ system anatomy practice questions for the USMLE Step 1, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Organ system anatomy questions
- Q1. During abdominal surgery, a surgeon identifies the hepatoduodenal ligament. Which structure is NOT contained within this ligament?
- Q2. A patient has a perforated gastric ulcer on the posterior wall of the stomach. Which structure is most at risk?
- Q3. A patient presents with right lower quadrant pain. McBurney’s point corresponds to which anatomical landmark?
- Q4. A trauma patient has difficulty swallowing and hoarseness. Injury to which structure in the neck is most likely involved?
- Q5. Which structure passes through the diaphragm at the T10 level?
- Q6. A patient has hematuria due to a stone lodged where the ureter crosses the pelvic brim. Which vessel does the ureter cross at this point?
- Q7. A surgeon ligates the splenic artery. Perfusion to which part of the stomach remains intact due to collateral circulation?
- Q8. A patient experiences hoarseness after carotid endarterectomy. Which nerve is most likely injured?
- Q9. A kidney transplant is placed in the iliac fossa. Which vessel typically supplies the transplanted kidney?
- Q10. A patient with portal hypertension develops caput medusae. This involves dilation of veins around which structure?
- Q11. Which part of the large intestine is retroperitoneal?
- Q12. A patient experiences pancreatic head enlargement. Which structure may become obstructed first?
- Q13. A patient is unable to extend the trunk and maintain posture. Which back muscle is primarily responsible for this action?
- Q14. Which organ lies primarily in the left upper quadrant and is protected by ribs 9–11?
- Q15. A patient has difficulty swallowing solids and liquids. Dysfunction of which muscular structure is most likely involved?
- Q16. A patient has severe right upper quadrant pain during gallbladder inflammation. Which nerve carries referred pain to the shoulder region?
- Q17. Which structure is located at the hilum of the lung?
- Q18. A patient has an enlarged prostate compressing the urethra. Which part of the urethra is most affected?
- Q19. During a splenectomy, which ligament must be ligated to avoid excessive bleeding from short gastric vessels?
- Q20. A patient experiences pain during palpation of the costovertebral angle. This finding most likely indicates pathology of which organ?