HESI A2
HESI A2 Anatomy and Physiology Practice Exam Questions
Question 1 of 5
Which lobe of the brain controls speech production?
Correct Answer: A
Rationale: The correct answer is A: Frontal lobe. The frontal lobe is responsible for speech production as it houses the Broca's area, which is crucial for language processing and speech production. Lesions in the frontal lobe can lead to expressive aphasia. The parietal lobe (B) is more involved in processing sensory information and spatial awareness. The temporal lobe (C) is important for auditory processing and memory. The occipital lobe (D) is primarily responsible for visual processing. Therefore, the frontal lobe is the correct choice for speech production.
Question 2 of 5
Which hormone is produced by the pineal gland?
Correct Answer: D
Rationale: The correct answer is D: Melatonin. The pineal gland is responsible for producing melatonin, a hormone that regulates the sleep-wake cycle. It is released in response to darkness, helping to signal the body that it is time to sleep. Corticosteroid (A) is produced by the adrenal glands, oxytocin (B) is produced by the hypothalamus and released by the pituitary gland, and prolactin (C) is produced by the pituitary gland. Therefore, the correct answer is D as it directly relates to the function of the pineal gland.
Question 3 of 5
What is the average normal body temperature in degrees Celsius?
Correct Answer: D
Rationale: Failed to generate a rationale after 5 retries.
Question 4 of 5
How many bones are in the human foot?
Correct Answer: C
Rationale: The correct answer is C: 26. The human foot consists of 26 bones, including the tarsal bones, metatarsal bones, and phalanges. Understanding human anatomy is crucial for healthcare professionals and students. Choice A (6) is too few for the complexity of the foot structure. Choice B (16) is close but doesn't account for all the bones in the foot. Choice D (36) is too high and likely includes bones from other parts of the body. Identifying the correct number of bones in the foot is essential for proper diagnosis and treatment of foot-related conditions.
Question 5 of 5
Which bones do the rotator cuff help to stabilize?
Correct Answer: C
Rationale: The rotator cuff helps stabilize the humerus and scapula during shoulder movements. It consists of muscles and tendons that surround the shoulder joint, providing support and stability. Choice A (Radius and humerus) is incorrect as the radius is not part of the shoulder joint. Choice B (Scapula and clavicle) is incorrect because the clavicle is not directly stabilized by the rotator cuff. Choice D (Ulna and radius) is incorrect as these bones are not part of the shoulder joint and are not stabilized by the rotator cuff. Therefore, choice C (Humerus and scapula) is the correct answer based on the anatomy and function of the rotator cuff in stabilizing the shoulder joint.
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