what is hydration

HESI A2

Vocabulary for HESI A2

1. What is Hydration?

A. The process of dehydrating
B. Maintenance of body fluid
C. Loss of water
D. Draining fluids

Correct answer: B

Rationale: Hydration refers to the maintenance of body fluids. Choice A is incorrect as it describes the opposite process, dehydration. Choice C is incorrect as it focuses on the result of inadequate hydration rather than the concept itself. Choice D is incorrect as it does not accurately define hydration but rather implies removing fluids.

2. What does 'Excess' mean?

A. Less than what is needed or usual
B. More than what is needed or usual
C. Equal to the amount needed
D. Below average

Correct answer: B

Rationale: The correct answer is B: 'More than what is needed or usual.' Excess refers to an amount that surpasses what is required or typical. Choice A is incorrect because 'less than what is needed or usual' is the opposite of excess. Choice C is incorrect as 'equal to the amount needed' does not imply excess. Choice D is incorrect as 'below average' does not capture the essence of excess.

3. What does the word Trepidation mean?

A. Fear
B. Misgivings
C. Confidence
D. Doubt

Correct answer: B

Rationale: The correct answer is B: 'Misgivings'. Trepidation is defined as a feeling of fear or anxiety about something that may happen. Choice A ('Fear') is too broad and does not capture the specific sense of unease that trepidation conveys. Choice C ('Confidence') is the opposite of what trepidation represents. Choice D ('Doubt') is related to uncertainty but does not fully encapsulate the sense of fear and anxiety associated with trepidation.

4. If you are an assiduous worker, you are probably ____?

A. Lazy
B. Industrious
C. Inconsistent
D. Procrastinating

Correct answer: B

Rationale: The correct answer is B. If someone is described as assiduous, it means they are diligent, hardworking, and persistent in their efforts. This aligns with the trait of being 'Industrious.' Choices A, C, and D are incorrect because being lazy, inconsistent, or procrastinating are the opposite characteristics of someone who is assiduous.

5. Select the meaning of the underlined word in the following sentence. What is the prognosis for those accident victims?

A. Expected outcome
B. Treatment option
C. Fabrication
D. Fabrication

Correct answer: A

Rationale: In this sentence, the word 'prognosis' refers to the expected outcome or forecast for the accident victims. It indicates what is likely to happen in terms of their recovery or overall condition following the accident. Therefore, the correct meaning of the underlined word is the expected outcome, which is option A. Choices B, C, and D are incorrect because 'prognosis' does not refer to a treatment option or fabrication.