Vocabulary for HESI A2

Correct Answer: B

Rationale: The correct answer is B because a cast is a hard protective device applied to protect a broken bone and aid in its healing process by immobilizing the injured area. It is made of materials like plaster or fiberglass. Choice A is incorrect because a cast is not used for breaking bones but for aiding in the healing of broken bones. Choice C is incorrect because a cast is not a soft bandage but a rigid structure. Choice D is incorrect because a cast is not an instrument used in surgery but a device used in orthopedic care.

Correct Answer: B

Rationale: The correct answer is B: To expel feces. 'Defecate' refers to the act of eliminating solid waste from the body. This process involves the expulsion of feces from the digestive system through the rectum. It is the opposite of retaining feces (choice A), eliminating fluid (choice C), or excreting mucus (choice D). Defecation specifically refers to the elimination of solid waste material, not fluids or mucus. Therefore, the most accurate choice is B.

Correct Answer: B

Rationale: The correct answer is B: Misgivings. Trepidation means a feeling of fear or anxiety about something that may happen. Misgivings align closely with this definition, as it refers to doubts or suspicions about something. Fear (A), Confidence (C), and Doubt (D) are all related concepts but do not directly capture the essence of trepidation, which is more about a sense of unease or apprehension rather than outright fear or confidence.

Correct Answer: B

Rationale: The correct answer is B: The environmental condition or setting. Milieu refers to the physical or social environment in which something exists or develops. This term is commonly used in psychology and sociology to describe the surroundings that influence an individual or group. Choice A is incorrect because a person's background is not the same as the environmental condition. Choice C is incorrect as milieu does not specifically refer to a person's history. Choice D is incorrect as it refers to the chemical composition, which is not the definition of milieu. In summary, the correct answer is B because milieu pertains to the environmental context or setting.

Correct Answer: B

Rationale: The correct answer is B: Maintenance of body fluid. Hydration refers to the process of maintaining adequate levels of body fluid for proper bodily functions. This includes water intake, absorption, and distribution throughout the body. Choice A is incorrect because dehydration is the opposite of hydration. Choice C is incorrect as it refers to the loss, not maintenance, of water. Choice D is incorrect as draining fluids does not encompass the comprehensive concept of hydration. Maintaining body fluid balance is crucial for various physiological processes, making option B the correct choice.