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HESI A&P Version 2 Study Guide Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which bone forms the lower jaw?✔✔Mandible
Which hormone is responsible for the fight-or-flight response?✔✔Epinephrine
Which part of the brain regulates body temperature, hunger, and thirst?✔✔Hypothalamus
Which blood cells transport oxygen to tissues?✔✔Red blood cells
Which structure prevents food from entering the nasal cavity during swallowing?✔✔Soft palate
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Which hormone regulates water balance by acting on the kidneys?✔✔Antidiuretic hormone (ADH)
Which organ secretes digestive enzymes and insulin?✔✔Pancreas
Which part of the ear contains the receptors for hearing?✔✔Cochlea
Which artery supplies blood to the brain?✔✔Carotid artery
Which type of muscle is involuntary and found in hollow organs?✔✔Smooth muscle
Which hormone regulates long-term stress by increasing glucose and suppressing inflammation?✔✔Cortisol
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Which structure connects the throat to the stomach?✔✔Esophagus
Which organ stores sperm until ejaculation?✔✔Epididymis
Which type of bone marrow produces red blood cells?✔✔Red bone marrow
Which part of the brain controls balance and coordination?✔✔Cerebellum
Which hormone triggers uterine contractions during labor?✔✔Oxytocin
Which structure connects muscles to bones?✔✔Tendon
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