if a theory is obsolete what is true of it

HESI A2

Vocabulary HESI A2 Practice Test

1. If a theory is obsolete, what is true of it?

A. Up to date
B. Outdated
C. Innovative
D. Scientific

Correct answer: B

Rationale: The correct answer is B: 'Outdated.' When something is described as 'obsolete,' it means that it is outdated or no longer in use. Therefore, an obsolete theory is no longer current or relevant. Choices A, C, and D are incorrect because an obsolete theory is not considered up to date, innovative, or necessarily scientific; it is outdated and no longer relevant in its field.

2. This medication works by inhibiting the action of a certain enzyme. What does inhibiting mean?

A. Blocking
B. Hindering
C. Energizing
D. Blocking improvement

Correct answer: B

Rationale: The correct answer is 'B: Hindering.' Inhibiting means to hinder or slow down a process. Choices A and D are similar and imply a complete stop of the process rather than just slowing it down. Choice C, 'Energizing,' is the opposite of inhibiting, as it means to provide energy or stimulate rather than hinder.

3. What is the meaning of venal?

A. Vibrant
B. Savage
C. Greedy
D. Fortunate

Correct answer: C

Rationale: The word 'venal' means susceptible to corruption, especially by bribery. It is often used to describe individuals who are willing to do dishonest or immoral acts in exchange for money or favors. Therefore, the most appropriate synonym for 'venal' among the given choices is 'greedy.' 'Vibrant' means full of energy and life, 'savage' refers to fierce or violent behavior, and 'fortunate' means having good luck or being favored by fortune, none of which capture the meaning of 'venal.'

4. Which bone is shorter in the forearm?

A. Humerus
B. Radius
C. Scapula
D. Fibula

Correct answer: B

Rationale: The correct answer is B: Radius. The forearm consists of two long bones: the radius and the ulna. The radius is located on the thumb side of the forearm and is shorter than the ulna, which is on the pinky side. The humerus is the bone located in the upper arm, the scapula is the shoulder blade bone, and the fibula is a bone in the lower leg. Therefore, they are not the shorter bone in the forearm.

5. Select the meaning of the underlined word in the following sentence. The pain of childbirth may often be acute.

A. Escalating
B. Emergent
C. Eased
D. Intense

Correct answer: D

Rationale: The word "acute" in this sentence means intense. Acute pain is sharp or severe, which accurately describes the level of pain experienced during childbirth. Choice A, "Escalating," suggests increasing pain over time, which is not necessarily implied by the word "acute." Choice B, "Emergent," means arising or coming into view, which does not capture the intensity of the pain. Choice C, "Eased," means to make less severe, which is the opposite of what is described in the sentence.