HESI A2 Vocabulary 2023

Correct Answer: D

Rationale: The correct answer is D: Apprehension. In the given sentence, the word 'trepidation' is used to describe the students' feeling towards approaching the cadaver, indicating a sense of fear or nervousness. Apprehension aligns with this context as it signifies a feeling of anxiety or unease. A: Wonder - This choice is incorrect as 'wonder' conveys a sense of curiosity or amazement, which is not the intended meaning in this sentence. B: Confusion - This choice is incorrect as 'confusion' implies a state of being puzzled or unclear, which does not match the context of the sentence. C: Eagerness - This choice is incorrect as 'eagerness' suggests a feeling of enthusiasm or excitement, which is opposite to the fear or hesitation implied by 'trepidation' in this context. Therefore, the correct answer is D: Apprehension, as it best reflects the students' feelings of fear or anxiety when

Correct Answer: C

Rationale: The correct answer is C: Managed and run. In the context of the sentence, "operated" refers to the management and running of the hospitals by administrative medical groups. This choice best fits the context of the sentence as it accurately describes the action being taken by these groups. Explanation: - A (Performing surgery): This choice is incorrect as the word "operated" in the sentence does not refer to performing surgery but rather to the overall management and running of the hospitals. - B (In effect): This choice is incorrect as it does not fully capture the meaning of "operated" in the context of the sentence, which implies active management and operation of the hospitals. - D (Brought about): This choice is incorrect as it does not accurately describe the ongoing management and running of the hospitals by the administrative medical groups.

Correct Answer: A

Rationale: The correct answer is A: magnesium. Magnesium is an essential electrolyte in the human body, playing a crucial role in nerve function, muscle contraction, and maintaining a healthy heart rhythm. It is commonly found in bones and helps regulate blood pressure. Choice B: manganese is not a primary electrolyte in the human body, though it is an essential trace mineral. Choice C: magnetite is a type of mineral and not an electrolyte found in the human body. Choice D: manganite is a mineral compound and not an electrolyte present in the human body.

Correct Answer: A

Rationale: The correct answer is A: A test of brain activity. EEG stands for Electroencephalogram, which is a test that measures electrical activity in the brain. This test is commonly used to diagnose epilepsy, sleep disorders, and other neurological conditions. Choice B is incorrect as EEG is not a service but a diagnostic test. Choice C is incorrect as EEG does not monitor heartbeats. Choice D is incorrect as EEG has no relation to dentistry. EEG specifically focuses on brain activity, making choice A the most appropriate description.

Correct Answer: A

Rationale: The correct answer is A: syringe. To aspirate fluid means to draw it into a syringe for further use or analysis. Syringes are designed for precise measurement and extraction of fluids. Beakers and test tubes are used for holding and mixing fluids, not for aspiration. Flange is a mechanical component and not used for aspiration of fluids.