Vocabulary HESI A2

Correct Answer: A

Rationale: The correct answer is A: Unstable. In the sentence, "volatile" refers to liquids that can easily evaporate at normal temperatures. Therefore, the meaning of "volatile" in this context is unstable, as these liquids can quickly change into gas form. The other choices are incorrect because: B: Abnormal - does not accurately capture the meaning of "volatile" in this context. C: Lethal - does not relate to the evaporation properties of the liquids mentioned. D: Blended - does not reflect the characteristic of being easily evaporated.

Correct Answer: B

Rationale: The correct answer is B: mucous membranes. HPV (Human Papillomavirus) primarily infects the skin and mucous membranes, such as those in the genital area, mouth, and throat. It is commonly transmitted through sexual contact. HPV does not typically involve the skull and spine (A), kidneys (C), or heart (D). Choosing B is based on understanding the typical sites of HPV infection and its mode of transmission.

Correct Answer: C

Rationale: The correct answer is C: Responsible. In the sentence, "accountable" implies being responsible for something, in this case, the records. The night nursing staff is accountable for maintaining and managing those records. The word "responsible" aligns perfectly with the meaning of "accountable" in this context. A: Receptive - This word means being open or responsive to new ideas, suggestions, or information. It does not fit the context of being responsible for records. B: Notorious - This word means well-known for a negative reason. It does not relate to the sense of responsibility or accountability. D: Preoccupied with - This means being absorbed or engrossed in something, which does not capture the sense of being accountable or responsible for something.

Correct Answer: A

Rationale: The underlined word "margin" in the sentence refers to the edge or border of something. In this context, it specifically refers to the edge of the gingiva or gum tissue around the teeth. Therefore, the correct meaning is "A: Edge." Explanation of other choices: B: Grease - This does not relate to the context of applying gel on the gingival margin. C: Incisor - This refers to a type of tooth, not the correct meaning of "margin." D: Cavity - This refers to a hole or hollow space, not the correct meaning of "margin." In summary, the correct answer "A: Edge" is the most appropriate choice based on the context of the sentence, while the other options do not fit the meaning of the word "margin" in this context.

Correct Answer: D

Rationale: The correct answer is D: ulcer. An ulcer is a sore with disintegration of tissue, typically due to poor blood flow or infection. Allergy (A) is a hypersensitive reaction, not related to tissue disintegration. Erythema (B) refers to redness of the skin, not tissue disintegration. Alopecia (C) is hair loss, not related to tissue disintegration. In summary, an ulcer is the most appropriate term for a sore characterized by tissue disintegration.