HESI A2
Anatomy and Physiology Hesi A2 Practice Test Questions
Question 1 of 5
Which nutrients are important for bone health?
Correct Answer: B
Rationale: The correct answer is B because calcium and phosphorus are essential nutrients for bone health. Calcium is a major component of bone structure, while phosphorus helps in bone mineralization. Vitamin D aids in calcium absorption, but does not directly contribute to bone structure. Iron and zinc are important for other bodily functions, not specifically bone health. Magnesium and sodium are not as directly related to bone health as calcium and phosphorus. In summary, calcium and phosphorus directly support bone health, making them the crucial nutrients in this context.
Question 2 of 5
Which of the following is an organ of the respiratory system?
Correct Answer: D
Rationale: The correct answer is D: Larynx. The larynx is an organ of the respiratory system because it plays a crucial role in producing sound and facilitating the passage of air to the lungs. It contains the vocal cords and is located in the throat. The other choices (A: Pancreas, B: Brain, C: Urethra) are not part of the respiratory system. The pancreas is part of the digestive system, the brain is part of the nervous system, and the urethra is part of the urinary system.
Question 3 of 5
A person who has damage to their ulnar nerve will have decreased sensation in which part of the body?
Correct Answer: A
Rationale: The correct answer is A. The ulnar nerve supplies sensation to the little finger and half of the ring finger, as well as the corresponding part of the palm. Damage to the ulnar nerve would result in decreased sensation in the hand, specifically in the mentioned areas. Choices B, C, and D are incorrect because the ulnar nerve does not innervate the arm, leg, or foot, respectively. This is why option A is the most appropriate answer based on the nerve's anatomy and distribution of sensory input.
Question 4 of 5
Which of the following endocrine system glands releases the thyrotrophic-releasing hormone, growth hormone-releasing hormone, and gonadotropin-releasing hormones?
Correct Answer: D
Rationale: The correct answer is D: Hypothalamus. The hypothalamus releases thyrotrophic-releasing hormone (TRH), which stimulates the release of thyroid-stimulating hormone (TSH) from the pituitary gland. It also secretes growth hormone-releasing hormone (GHRH) to stimulate growth hormone release and gonadotropin-releasing hormone (GnRH) to regulate the secretion of gonadotropins (FSH and LH). The other choices are incorrect because: A: Thymus - The thymus is primarily involved in immune function and does not release the mentioned hormones. B: Pituitary gland - While the pituitary gland responds to the hormones released by the hypothalamus, it does not release TRH, GHRH, or GnRH directly. C: Pineal gland - The pineal gland mainly secretes melatonin and is not involved in releasing the mentioned hormones related to growth, thyroid function, and reproduction
Question 5 of 5
Which of the following statements best describes endocrine glands?
Correct Answer: B
Rationale: The correct answer is B: Endocrine glands secrete chemicals into the blood. This is because endocrine glands release hormones directly into the bloodstream to regulate various physiological functions throughout the body. Other choices are incorrect: A is incorrect as endocrine glands do not absorb chemicals from the blood; C is incorrect because endocrine glands do not filter chemicals from the blood; and D is incorrect as endocrine glands do not absorb chemicals from the lymphatic system.
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