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HESI A2 - Anatomy & Physiology (Practice Test) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the process of producing red blood cells called?✔✔Erythropoiesis
Which structure connects muscles to bones?✔✔Tendon
What is the primary function of melanin?✔✔Protect skin from UV radiation
Which organ removes nitrogenous wastes from the blood?✔✔Kidneys
What is the basic unit of the nervous system?✔✔Neuron 1 / 3
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Which part of the eye focuses light onto the retina?✔✔Lens
Which hormone triggers ovulation?✔✔Luteinizing hormone
What is the medical term for the voice box?✔✔Larynx
What is the name of the first cervical vertebra?✔✔Atlas
Which organ produces urea?✔✔Liver
What is the main function of the mitochondria in cells?✔✔Produce energy 2 / 3
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What is the name of the flap of cartilage that covers the larynx during swallowing?✔✔Epiglottis
Which part of the respiratory system is called the windpipe?✔✔Trachea
What is the fluid that surrounds and cushions the brain and spinal cord?✔✔Cerebrospinal fluid
Which side of the heart pumps oxygenated blood to the body?✔✔Left side
What is the name of the largest artery in the human body?✔✔Aorta
Which organ is part of both the digestive and endocrine systems?✔✔Pancreas
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