HESI A2
Anatomy HESI A2
1. What is a common finding in a whiplash injury?
- A. Cardiopulmonary issues
- B. Side-to-side spinal curvature
- C. Eventual herniation of discs
- D. Traumatic injury to ligaments
Correct answer: D
Rationale: A common finding in a whiplash injury is a traumatic injury to ligaments. Whiplash occurs due to sudden hyperextension and hyperflexion of the neck, leading to strain or tearing of ligaments in the neck. This can manifest as neck pain, stiffness, and limited range of motion. While other complications like cardiopulmonary problems, side-to-side spinal curvature, or eventual herniation of discs are not typically associated with whiplash injuries.
2. What is the name of the bone in the human thigh?
- A. Ulna
- B. Femur
- C. Radius
- D. Humerus
Correct answer: B
Rationale: The correct answer is B. Femur. The femur, also known as the thigh bone, is located in the human thigh. It is the longest and strongest bone in the human body, extending from the hip to the knee. The ulna, radius, and humerus, on the other hand, are bones found in the arm. Therefore, choices A, C, and D are incorrect as they are bones of the arm, not the thigh.
3. What is the main function of the adrenal glands?
- A. Regulation of metabolism
- B. Production of bile
- C. Regulation of blood pressure
- D. Production of insulin
Correct answer: C
Rationale: The main function of the adrenal glands is to produce hormones like adrenaline and cortisol. These hormones play a crucial role in regulating blood pressure, metabolism, and the body's stress response. While the adrenal glands do have some impact on metabolism, their primary function is not the direct regulation of metabolism. They are not involved in the production of bile or insulin. Therefore, the correct answer is the regulation of blood pressure.
4. Which hormone is produced by the pancreas?
- A. Insulin
- B. Glucagon
- C. Somatostatin
- D. Cortisol
Correct answer: A
Rationale: Insulin is the correct answer. Insulin is produced by the pancreas and plays a crucial role in regulating blood glucose levels. It facilitates the uptake of glucose into cells, helping to lower blood sugar levels. Glucagon, on the other hand, is also produced by the pancreas but functions to raise blood glucose levels by stimulating the release of glucose from the liver. Somatostatin is another hormone produced by the pancreas that helps regulate the endocrine system. Cortisol, produced by the adrenal glands, plays a role in stress response and metabolism, not by the pancreas.
5. What is the role of the pancreas in digestion?
- A. To secrete digestive enzymes
- B. To store bile
- C. To absorb nutrients
- D. To transport glucose
Correct answer: A
Rationale: The correct answer is A: To secrete digestive enzymes. The pancreas is responsible for secreting digestive enzymes that aid in breaking down carbohydrates, fats, and proteins in the small intestine, facilitating the process of digestion. Choice B is incorrect because the pancreas does not store bile; that is primarily the function of the gallbladder. Choice C is incorrect as the absorption of nutrients mainly occurs in the small intestine, not the pancreas. Choice D is incorrect as the transport of glucose is primarily regulated by insulin produced in the pancreas, but this is not the main role of the pancreas in digestion.
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