Anatomy Exam Human Anatomy 3 — Questions and Answers
Question 1: Which structure carries oxygenated blood from the placenta to the fetal liver?
- Ductus arteriosus
- Umbilical artery
- Umbilical vein (Correct answer)
- Foramen ovale
Correct answer: Umbilical vein
The umbilical vein carries oxygenated, nutrient-rich blood from the placenta to the fetal circulation.
Question 2: The rotator cuff is composed of four muscles; which of the following is NOT one of them?
- Supraspinatus
- Infraspinatus
- Teres major (Correct answer)
- Subscapularis
Correct answer: Teres major
Teres major is not part of the rotator cuff; the four cuff muscles are supraspinatus, infraspinatus, teres minor, and subscapularis (SITS).
Question 3: Which anatomical structure marks the boundary between the small intestine and large intestine?
- Pyloric sphincter
- Ileocecal valve (Correct answer)
- Hepatopancreatic sphincter
- Rectosigmoid junction
Correct answer: Ileocecal valve
The ileocecal valve (Bauhin's valve) separates the terminal ileum from the cecum, marking the transition from small to large intestine.
Question 4: Which carpal bone is most commonly fractured?
- Lunate
- Scaphoid (Correct answer)
- Trapezium
- Hamate
Correct answer: Scaphoid
The scaphoid is the most commonly fractured carpal bone, typically due to a fall on an outstretched hand.
Question 5: The primary auditory cortex is located in which lobe of the brain?
- Frontal lobe
- Parietal lobe
- Temporal lobe (Correct answer)
- Occipital lobe
Correct answer: Temporal lobe
The primary auditory cortex (Heschl's gyri) is located in the superior temporal gyrus of the temporal lobe.
Question 6: Which ligament of the knee prevents anterior displacement of the tibia on the femur?
- Posterior cruciate ligament
- Medial collateral ligament
- Anterior cruciate ligament (Correct answer)
- Lateral collateral ligament
Correct answer: Anterior cruciate ligament
The anterior cruciate ligament (ACL) prevents anterior translation of the tibia relative to the femur.
Question 7: What is the name of the serous membrane that covers the lungs?
- Visceral pleura (Correct answer)
- Parietal pleura
- Visceral pericardium
- Peritoneum
Correct answer: Visceral pleura
The visceral pleura is the innermost pleural layer that directly covers the surface of each lung.
Anatomy Exam Human Anatomy 3
Which structure carries oxygenated blood from the placenta to the fetal liver?