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

The vena cavae drain blood from the body into the ___________.

Correct Answer: A

Rationale: The correct answer is A: right atrium. The vena cavae are large veins that carry deoxygenated blood from the body back to the heart. They empty into the right atrium, which is the receiving chamber for deoxygenated blood. The blood then passes through the tricuspid valve into the right ventricle for pumping to the lungs for oxygenation. Choices B, C, and D are incorrect because the vena cavae do not empty into the ventricles; they empty into the atria. Therefore, the correct answer is A as it accurately reflects the anatomical pathway of blood flow from the vena cavae back to the heart.

Question 2 of 5

The corpus callosum facilitates communication between which brain structures?

Correct Answer: A

Rationale: The corpus callosum connects the left and right hemispheres of the brain, facilitating communication between them. This allows for integration of sensory information and coordination of cognitive functions. Choice A is correct as it accurately describes the function of the corpus callosum. Choices B, C, and D are incorrect because they do not involve the specific brain structures connected by the corpus callosum. Option B refers to different body systems, Option C involves the brain and spinal cord, and Option D mentions specific brain regions not directly connected by the corpus callosum.

Question 3 of 5

When the pulmonary valve and aortic valves are open, where can blood flow?

Correct Answer: C

Rationale: When the pulmonary valve and aortic valves are open, blood can flow between the heart and the rest of the body. The pulmonary valve allows blood to flow from the right ventricle to the lungs, while the aortic valve allows blood to flow from the left ventricle to the rest of the body. Therefore, when both valves are open, blood is being pumped out of the heart to circulate throughout the body. Choices A, B, and D are incorrect because they do not describe the specific pathway of blood flow when the pulmonary and aortic valves are open.

Question 4 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 5 of 5

The lateral side of the right knee would be ___________.

Correct Answer: C

Rationale: The correct answer is C because the lateral side of the knee is the side farthest from the left knee. To determine this, visualize the body in anatomical position and observe that the right side is the outer side of the knee joint, making it the lateral side. The kneecap (A) is the patella, located at the front of the knee, not the lateral side. Being closest to the left knee (B) is inaccurate as the lateral side is actually on the opposite side. On the underside of the knee (D) refers to the posterior aspect, not the lateral side.

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