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HESI A2 Anatomy and Physiology Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which organ is located primarily in the left upper quadrant of the abdomen?✔✔Spleen
What is the name of the tissue that lines the inside of blood vessels?✔✔Endothelium
Which muscle is responsible for closing the jaw during chewing?✔✔Masseter
What is the name of the tube that carries air from the larynx to the bronchi?✔✔Trachea
Which cranial nerve is responsible for smell?✔✔Olfactory nerve
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What is the main function of the adrenal glands?✔✔Produce hormones that regulate stress response, metabolism, and blood pressure
Which type of joint allows movement in only one plane?✔✔Hinge joint
What is the medical term for the voice box?✔✔Larynx
Which layer of the skin contains blood vessels, nerves, and hair follicles?✔✔Dermis
What is the name of the structure that separates the right and left chambers of the heart?✔✔Septum
What is the main function of the myelin sheath on neurons?✔✔Increase speed of nerve impulse transmission
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Which organ secretes digestive enzymes into the small intestine?✔✔Pancreas
What is the name of the fluid-filled sac that reduces friction between tissues?✔✔Bursa
Which part of the ear contains the organ of hearing?✔✔Cochlea
What is the medical term for red blood cell production?✔✔Erythropoiesis
What is the name of the protein filaments in muscle that slide to cause contraction?✔✔Actin and myosin
Which hormone stimulates the release of eggs from the ovary?✔✔Luteinizing hormone
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What is the smallest bone in the human body?✔✔Stapes
What is the term for the junction between two neurons?✔✔Synapse
Which part of the brain controls breathing rhythm?✔✔Medulla oblongata
What is the main function of the thymus gland?✔✔Produce and mature T lymphocytes
Which structure in the kidney collects urine before it moves to the ureter?✔✔Renal pelvis
What is the term for the wave-like contractions that move food through the digestive tract?✔✔Peristalsis
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