what does it mean if a theory is obsolete

HESI A2

Vocabulary HESI A2 Practice Test

1. What does it mean if a theory is obsolete?

A. Advanced
B. Outdated
C. Useful
D. Innovative

Correct answer: B

Rationale: If a theory is considered obsolete, it means that it is outdated and no longer in current use or practice. Choice A, 'Advanced,' is incorrect as it implies progression rather than obsolescence. Choice C, 'Useful,' is incorrect because an obsolete theory is no longer considered useful due to being outdated. Choice D, 'Innovative,' is incorrect as it suggests newness and originality, which are opposite to being obsolete.

2. Which term refers to someone who has come to settle in the United States?

A. Immigrate
B. Migrate
C. Immigrant
D. Emigrant

Correct answer: C

Rationale: The correct answer is 'C: Immigrant.' An immigrant is a person who comes to live permanently in a foreign country, such as the United States. Choice A, 'Immigrate,' refers to the action of entering a foreign country to live there. Choice B, 'Migrate,' means to move from one place to another. Choice D, 'Emigrant,' is someone who leaves their own country to settle permanently in another.

3. The meteorologist had forecast rain, ____________ Sheila brought her umbrella to work.

A. Nor
B. Yet
C. Because
D. So

Correct answer: C

Rationale: The sentence implies a cause-and-effect relationship, so 'because' is the appropriate conjunction. 'Nor' is used in negative constructions, 'Yet' indicates contrast, and 'So' is used to show a consequence, none of which fit the context of the sentence.

4. When people masticate, what do they use?

A. Fingers
B. Eyes and ears
C. Gums and teeth
D. Heels and toes

Correct answer: C

Rationale: When people masticate, they use their gums and teeth to chew and physically break down food into smaller pieces for easier digestion. The process of mastication is essential for proper digestion in the human body. Choices A, B, and D are incorrect as fingers, eyes, ears, heels, and toes are not involved in the process of chewing or mastication.

5. What does contrite mean?

A. Guilty
B. Regretful
C. Shameful
D. Pleased

Correct answer: B

Rationale: The correct answer is B: 'Regretful.' Contrite means feeling regret or remorse. Choice A, 'Guilty,' does not fully capture the meaning of contrite as it implies a judgement of culpability rather than a feeling of remorse. Choice C, 'Shameful,' is incorrect as it focuses on the emotion of shame rather than regret. Choice D, 'Pleased,' is the opposite of what contrite means, as it signifies satisfaction or happiness, which is contradictory to feeling regretful or remorseful.