select the meaning of the underlined word in the following sentence all volatile liquids should be stored and labeled correctly

HESI A2

Vocabulary HESI A2

1. Select the meaning of the underlined word in the following sentence. All volatile liquids should be stored and labeled correctly.

A. Unstable
B. Abnormal
C. Lethal
D. Blended

Correct answer: A

Rationale: In the context of the sentence, 'volatile' means likely to change rapidly and unpredictably or evaporate quickly. When referring to liquids, volatile typically implies that the liquids are unstable and can easily change from liquid to gas. Therefore, the most appropriate meaning of 'volatile' in this sentence is 'unstable.' Choices B, C, and D are incorrect because 'abnormal' and 'lethal' do not capture the essence of rapid change or evaporation associated with volatile liquids, while 'blended' is unrelated to the characteristics of volatile liquids described in the sentence.

2. A symptom that is transitory is ___________.

A. short-lived
B. damaging
C. fluctuating
D. degenerating

Correct answer: A

Rationale: A symptom that is transitory is short-lived. It appears temporarily and does not persist for an extended period of time. This term indicates that the symptom is not permanent or continuous but rather temporary or fleeting.\nChoice B, damaging, is incorrect as transitory refers to the duration of the symptom, not its impact. Choice C, fluctuating, is incorrect as it implies the symptom varies in intensity, not necessarily in duration. Choice D, degenerating, is incorrect as it suggests a worsening or deteriorating condition, which is not implied by transitory.

3. It's true that children depend on their parents for food, clothing, and ______.

A. shelter
B. security
C. guidance
D. affection

Correct answer: A

Rationale: Children depend on their parents for providing basic needs like food, clothing, and shelter. 'Shelter' refers to the physical protection and housing that parents are responsible for providing to their children. While security, guidance, and affection are also important aspects of parenting, in the context of the question, the most essential need after food and clothing is shelter.

4. Select the meaning of the word 'dilation' in the sentence: 'The laboring mother was at 50% dilation.'

A. Blood pressure
B. Cervical opening
C. Birth process
D. Exhumation

Correct answer: B

Rationale: In the context provided, 'dilation' refers to the widening or opening of the cervix during labor as the woman progresses towards childbirth. Choice A, 'Blood pressure,' is incorrect as dilation does not relate to blood pressure. Choice C, 'Birth process,' is too broad and does not specifically define the term 'dilation.' Choice D, 'Exhumation,' is unrelated and does not fit the context of the sentence.

5. What is the word part placed before a word to change its meaning?

A. Prefix
B. Affix
C. Suffix
D. Vocab

Correct answer: A

Rationale: A prefix is the correct answer. A prefix is a word part attached at the beginning of a word to modify its root word, changing the definition or grammatical function of the word. Examples of prefixes include "un-" in "unhappy," "re-" in "redo," and "pre-" in "preview." Choice B, "Affix," is incorrect because while a prefix is a type of affix, not all affixes are prefixes. Choice C, "Suffix," is incorrect as a suffix is a word part added at the end of a word to change its meaning. Choice D, "Vocab," is incorrect as it refers to vocabulary or words related to a particular subject rather than a word part placed before a word.