HESI A2
Vocabulary for HESI A2
1. What does oral mean?
- A. Through the skin
- B. Given through or affecting the mouth
- C. Injected
- D. Absorbed through digestion
Correct answer: B
Rationale: The correct answer is B: 'Given through or affecting the mouth.' Oral medications are those that are taken by mouth. Choice A is incorrect as 'Through the skin' refers to something being absorbed through the skin, not through the mouth. Choice C, 'Injected,' is incorrect as oral administration does not involve injection but rather ingestion. Choice D, 'Absorbed through digestion,' is partially correct in that oral medications are indeed absorbed through the digestive system, but the term 'oral' specifically refers to the mouth in this context.
2. What does the term 'viscous' mean?
- A. Thick and sticky
- B. Slimy
- C. Watery
- D. Dry
Correct answer: A
Rationale: The correct answer is A: 'Thick and sticky.' Viscous describes a substance that is thick and sticky, resisting flow easily. Choices B, C, and D are incorrect. 'Slimy' implies a slippery, gooey texture; 'Watery' describes a substance with a thin, fluid consistency; and 'Dry' indicates the absence of moisture.
3. What is a Nutrient?
- A. A chemical compound
- B. A substance that provides nourishment
- C. A non-essential mineral
- D. An essential vitamin
Correct answer: B
Rationale: A nutrient is a substance that provides nourishment to the body, such as carbohydrates, proteins, fats, vitamins, and minerals. Choice A has been improved to 'A chemical compound' to be more specific. Choice A is incorrect as it is too general and does not specifically describe the role of a nutrient. Choice C is incorrect as it focuses on minerals without specifying that all minerals are nutrients. Choice D is also incorrect as it solely emphasizes vitamins, which are just one type of nutrient.
4. 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.
5. Choose the meaning of the word vent in the following sentence: 'A tube is used to vent the gases to the outside.'
- A. Block
- B. Trade
- C. Emit
- D. Inhale
Correct answer: C
Rationale: In this sentence, the word 'vent' means to allow the gases to escape or be emitted to the outside. 'Block' is incorrect because it means to obstruct or close off. 'Trade' is incorrect as it refers to the exchange of goods or services. 'Inhale' is incorrect as it means to breathe in, which is the opposite of venting gases out.
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