HESI A2 Anatomy and Physiology Quizlet 2024

Questions 31

HESI A2

HESI A2 Test Bank

HESI A2 Anatomy and Physiology Quizlet 2024 Questions

Question 1 of 5

Which part of the brain is most posterior?

Correct Answer: D

Rationale: The correct answer is D: Occipital lobe. This part of the brain is located at the most posterior position, towards the back of the head. It primarily processes visual information. The frontal lobe (A) is at the front of the brain, responsible for higher-level functions. The parietal lobe (B) is located towards the top of the brain, involved in sensory processing and spatial awareness. The temporal lobe (C) is situated on the sides of the brain, associated with auditory processing and memory. Thus, the occipital lobe is the most posterior part of the brain, making it the correct answer in this case.

Question 2 of 5

The spleen is part of which system?

Correct Answer: C

Rationale: The correct answer is C: lymphatic system. The spleen is a key organ in the lymphatic system, responsible for filtering blood, removing old or damaged red blood cells, and producing white blood cells. It plays a crucial role in the immune system. Incorrect choices: A: nervous system - The spleen is not part of the nervous system; it is not involved in transmitting nerve impulses. B: integumentary system - The spleen is not part of the integumentary system, which includes skin, hair, and nails. D: urinary system - The spleen is not part of the urinary system, which includes kidneys, ureters, bladder, and urethra.

Question 3 of 5

Beriberi is a disease caused by a lack of ___________.

Correct Answer: A

Rationale: The correct answer is A: thiamine. Beriberi is a disease caused by a deficiency of thiamine, also known as vitamin B1. Thiamine plays a crucial role in energy metabolism and nerve function. Without enough thiamine, the body cannot produce sufficient energy, leading to symptoms like muscle weakness, nerve damage, and heart problems. Choice B (vitamin C) is incorrect because vitamin C deficiency leads to scurvy, not beriberi. Choice C (niacin) deficiency causes pellagra, not beriberi. Choice D (protein) deficiency can lead to various health issues, but it is not directly related to beriberi.

Question 4 of 5

What is the meaning of exocytosis?

Correct Answer: B

Rationale: Exocytosis is the process where the cell releases substances outside by fusing vesicles with the plasma membrane. This is the correct answer as it accurately describes the mechanism of exocytosis. The other choices are incorrect because: A. Describes endocytosis, not exocytosis. C. Describes pinocytosis, not exocytosis. D. Describes phagocytosis, not exocytosis. Therefore, the correct answer is B as it specifically relates to the process of exocytosis.

Question 5 of 5

What is true about caloric intake for the average person?

Correct Answer: C

Rationale: The correct answer is C: Caloric intake should decline with age. As individuals age, their metabolism slows down, leading to a decreased calorie requirement. Consuming more calories than needed can lead to weight gain and various health issues. Therefore, it is essential to adjust calorie intake based on age and activity level. Choices A, B, and D are incorrect because caloric intake typically decreases as individuals age due to changes in metabolism and activity levels.

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