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HESI A2 Anatomy and Physiology Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

Which vitamin is produced when the skin is exposed to sunlight?

• Vitamin A

✔✔B. Vitamin D

• Vitamin E
• Vitamin K

Which hormone regulates blood sugar by lowering glucose levels?

• Glucagon

✔✔B. Insulin

• Cortisol
• Thyroxine

Which part of the digestive system absorbs most nutrients?

• Large intestine

✔✔B. Small intestine 1 / 4

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• Stomach
• Esophagus

Which valve is located between the left atrium and left ventricle?

• Tricuspid valve

✔✔B. Mitral valve

• Pulmonary valve
• Aortic valve

Which organ stores and releases bile into the small intestine?

• Pancreas

✔✔B. Gallbladder

• Liver
• Spleen

Which artery supplies blood to the brain?

• Femoral artery
• Brachial artery 2 / 4

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✔✔C. Carotid artery

• Radial artery

Which part of the cell contains genetic material?

• Cytoplasm

✔✔B. Nucleus

• Mitochondria
• Ribosome

Which bone protects the brain?

• Sternum
• Vertebrae

✔✔C. Cranium

• Clavicle

Which part of the brain is responsible for balance and coordination?

• Cerebrum

✔✔B. Cerebellum 3 / 4

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• Medulla oblongata
• Hypothalamus

Which type of joint is found at the hip?

• Hinge joint
• Pivot joint

✔✔C. Ball-and-socket joint

• Gliding joint

Which blood vessels carry blood away from the heart?

• Veins

✔✔B. Arteries

• Capillaries
• Venules

Which chamber of the heart pumps oxygenated blood to the body?

• Right atrium
• Right ventricle
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