Anatomy and Physiology Hesi A2 Practice Test

Questions 32

HESI A2

HESI A2 Test Bank

Anatomy and Physiology Hesi A2 Practice Test Questions

Question 1 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 2 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 3 of 5

Which structure in the ear is responsible for hearing?

Correct Answer: A

Rationale: The correct answer is A: Cochlea. The cochlea is responsible for hearing as it contains the hair cells that convert sound vibrations into electrical signals sent to the brain. Semicircular canals are responsible for balance, ossicles transmit sound waves, and the Eustachian tube regulates air pressure in the ear. Cochlea is the only structure directly involved in the process of hearing.

Question 4 of 5

Which vitamin is essential for maintaining healthy skin and vision?

Correct Answer: B

Rationale: The correct answer is B: Vitamin A. Step 1: Vitamin A is essential for maintaining healthy skin as it promotes cell growth and repair. Step 2: Vitamin A is crucial for vision as it is a component of rhodopsin, a protein in the retina. Step 3: Vitamin C (choice A) is important for immune function and collagen production, not specifically skin or vision. Vitamin D (choice C) is essential for bone health, not skin or vision. Vitamin K (choice D) is important for blood clotting, not skin or vision.

Question 5 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.

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