Anatomy HESI A2

Questions 31

HESI A2

HESI A2 Test Bank

Anatomy HESI A2 Questions

Question 1 of 5

To which system do the ovaries belong?

Correct Answer: D

Rationale: The correct answer is D: reproductive system. The ovaries are part of the female reproductive system responsible for producing eggs and hormones like estrogen and progesterone. They play a crucial role in the process of reproduction. The other choices are incorrect because: A: The skeletal system consists of bones and is not related to the ovaries. B: The nervous system includes the brain, spinal cord, and nerves, which are not related to the ovaries. C: The lymphatic system is responsible for immune response and fluid balance, not related to the ovaries.

Question 2 of 5

Which mineral supports the function of the thyroid?

Correct Answer: B

Rationale: The correct answer is B: Iodine. Iodine is essential for the production of thyroid hormones, which are crucial for regulating metabolism and growth. Without enough iodine, the thyroid gland cannot function properly, leading to conditions like hypothyroidism or goiter. A: Manganese does not directly support thyroid function. C: Phosphorus is important for bone health and energy metabolism but not specifically for thyroid function. D: Zinc is involved in various physiological processes, but it is not as critical for thyroid function as iodine. In summary, iodine is the correct answer because it is specifically required for the synthesis of thyroid hormones, while the other choices do not play a direct role in supporting thyroid function.

Question 3 of 5

Which system does the esophagus belong to?

Correct Answer: B

Rationale: The correct answer is B, the Digestive system. The esophagus is a muscular tube that connects the throat to the stomach, playing a crucial role in the digestion process by transporting food to the stomach through peristaltic movements. This is why it belongs to the Digestive system. Choice A, the Endocrine system, is incorrect because this system is responsible for producing and regulating hormones, not for the physical transport of food. Choice C, the Respiratory system, is incorrect as the esophagus is not involved in the exchange of gases, which is the primary function of the Respiratory system. Choice D, the Nervous system, is incorrect as the esophagus is not primarily responsible for transmitting nerve signals but rather for the mechanical process of moving food.

Question 4 of 5

How is pepsin utilized by the body?

Correct Answer: A

Rationale: The correct answer is A: To break down proteins. Pepsin is an enzyme produced in the stomach that specifically functions to break down proteins into smaller peptides. This process is crucial for the digestion and absorption of proteins in the body. Pepsin works optimally in the acidic environment of the stomach. Choices B, C, and D are incorrect because pepsin is not involved in breaking down starches, emulsifying fats and oils, or absorbing water and nutrients. Other enzymes like amylase are responsible for breaking down starches, bile helps emulsify fats, and various enzymes and mechanisms are involved in water and nutrient absorption in the digestive system.

Question 5 of 5

What is the function of parathyroid hormone?

Correct Answer: D

Rationale: The correct answer is D: Activating vitamin D. Parathyroid hormone regulates calcium levels in the body by stimulating the activation of vitamin D, which helps in calcium absorption from the intestines. This process is crucial for maintaining proper bone health and muscle function. Choices A, B, and C are incorrect because parathyroid hormone does not directly affect energy levels, cell reproduction, or metabolism.

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