Questions 9

HESI A2

HESI A2 Test Bank

HESI A2 Anatomy and Physiology 2023 Questions

Question 1 of 5

Which part of the brain is responsible for controlling balance and coordination?

Correct Answer: A

Rationale: The cerebellum is the correct answer. It is responsible for controlling balance, coordination, and fine motor movements. The cerebrum is mainly associated with higher brain functions such as thinking and decision-making, not specifically balance and coordination. The brainstem is responsible for basic life functions like breathing and heartbeat, while the medulla oblongata is involved in regulating autonomic functions like breathing, heart rate, and blood pressure. Therefore, the cerebellum stands out as the key brain region for maintaining physical control and movement.

Question 2 of 5

Where will a person who has damage to their ulnar nerve experience decreased sensation?

Correct Answer: B

Rationale: The ulnar nerve innervates the forearm and hand, specifically providing sensation to the ring and little fingers. Damage to this nerve can lead to decreased sensation in these areas, making the arm the correct answer. Choices A, C, and D are incorrect because the ulnar nerve does not supply sensation to the leg, face, or abdomen.

Question 3 of 5

What is a primary function of the skeletal system?

Correct Answer: B

Rationale: The correct answer is B: Support and protection. The primary functions of the skeletal system include providing structural support to the body and protecting internal organs. While the skeletal system also plays a role in hematopoiesis (production of blood cells) and stores minerals, its main function is to support the body's framework and protect vital organs. Choices A, C, and D are incorrect as they do not directly relate to the primary functions of the skeletal system.

Question 4 of 5

Which part of the brain is responsible for processing emotions?

Correct Answer: B

Rationale: The correct answer is the amygdala. It is a small, almond-shaped structure located within the temporal lobe of the brain. The amygdala plays a crucial role in processing emotions such as fear, anger, pleasure, and other emotional responses. It is involved in the formation of emotional memories and helps regulate emotional responses to various stimuli. The frontal lobe is mainly responsible for higher cognitive functions such as decision-making and problem-solving, not processing emotions. The parietal lobe is involved in processing sensory information and spatial awareness, while the occipital lobe is primarily responsible for processing visual information.

Question 5 of 5

Which part of the brain is responsible for memory and learning?

Correct Answer: B

Rationale: The correct answer is B: Temporal lobe. The temporal lobe of the brain plays a crucial role in processing auditory information, memory formation, and learning. It contains the hippocampus, a structure vital for the formation of new memories and the conversion of short-term memories into long-term ones. Damage to the temporal lobe can lead to memory impairments and difficulties in learning new information. Choices A, C, and D are incorrect because the frontal lobe is primarily involved in decision making, problem-solving, and emotional control; the parietal lobe is responsible for sensory processing and spatial orientation; and the occipital lobe is mainly dedicated to visual processing and interpretation.

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