what does the word ubiquitous mean

HESI A2

Vocabulary HESI A2 Practice Test

1. What does the word UBIQUITOUS mean?

A. Widespread
B. Miniscule
C. Invalid
D. Unit

Correct answer: A

Rationale: The word UBIQUITOUS means something that is found everywhere or is very common. Therefore, the correct meaning for ubiquitous is 'widespread'. 'Miniscule' means very small, 'invalid' means not valid or acceptable, and 'unit' refers to a single entity or component, making them incorrect choices in the context of the word ubiquitous.

2. Which word is NOT used correctly in the sentence? "You should always do the write thing."

A. Do
B. Always
C. Write
D. Should

Correct answer: C

Rationale: "Write" is incorrect in this context. It should be "right," referring to the correct or moral action.

3. A paroxysm is a sudden spasm. Another word for this might be ___________.

A. convulsion
B. symptom
C. efficacy
D. embolism

Correct answer: A

Rationale: The correct answer is A: "convulsion." A paroxysm is defined as a sudden spasm or convulsion. The word "convulsion" specifically refers to a violent and involuntary contraction or spasm of muscles, which aligns perfectly with the description of a paroxysm. On the other hand, choices B, C, and D are incorrect. "Symptom" (B) refers to a manifestation of a condition rather than a physical spasm. "Efficacy" (C) relates to effectiveness or success, not a sudden spasm. "Embolism" (D) refers to the obstruction of a blood vessel, which is unrelated to the concept of a sudden spasm. Therefore, convulsion is the most suitable synonym for a paroxysm in this context.

4. The jawbone may be called the ___________.

A. mantis
B. mantua
C. mandible
D. manganite

Correct answer: C

Rationale: The jawbone is commonly referred to as the mandible in anatomy. It is the largest and strongest bone in the human face and forms the lower jaw, holding the lower teeth in place. "Mandible" is the correct anatomical term for this specific bone structure.

5. What is the meaning of Diameter?

A. The width of a structure
B. The distance across the center of an object
C. The height of an object
D. The radius of a circle

Correct answer: B

Rationale: The correct answer is B. Diameter is defined as the distance across the center of an object, typically a circle. Choice A is incorrect because width refers to the measurement of something from side to side, not necessarily through the center. Choice C is incorrect because height is a measurement from top to bottom, not across the center. Choice D is incorrect because the radius of a circle is the distance from the center to any point on the circle's circumference, not the distance across the center.