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HESI Anatomy and Physiology Practice Test Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which hormone regulates the sleep-wake cycle?✔✔Melatonin
Which part of the heart receives oxygenated blood from the lungs?✔✔Left atrium
Which bone protects the brain?✔✔Cranium
Which hormone is produced by the adrenal medulla and increases heart rate during stress?✔✔Epinephrine
Which hormone promotes water reabsorption in the kidneys?✔✔Antidiuretic hormone (ADH) 1 / 3
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Which structure in the kidney filters blood to form urine?✔✔Glomerulus
Which gland produces thyroid hormones?✔✔Thyroid gland
Which hormone stimulates ovulation in females?✔✔Luteinizing hormone (LH)
Which part of the neuron receives signals from other neurons?✔✔Dendrites
Which organ produces digestive enzymes and hormones like insulin?✔✔Pancreas
Which bone is located on the lateral side of the lower leg?✔✔Fibula 2 / 3
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Which hormone helps the body respond to stress by increasing glucose and suppressing inflammation?✔✔Cortisol
Which type of muscle is involuntary and found in the walls of hollow organs?✔✔Smooth muscle
Which structure in the respiratory system is responsible for voice production?✔✔Larynx
What is the main function of the white blood cells?✔✔Fight infection
Which part of the brain controls voluntary movement?✔✔Cerebrum
What is the basic structural and functional unit of the kidney?
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