what does depth mean

HESI A2

Quizlet Vocabulary HESI A2

1. What does Depth mean?

A. The thickness of an object
B. Downward measurement from a surface
C. The length of a surface
D. The area between two points

Correct answer: B

Rationale: Depth refers to the distance or downward measurement from a surface. It is not the thickness of an object (Choice A), as thickness is the measure of how thick or thin an object is, not necessarily related to depth. Additionally, it is not the length of a surface (Choice C) because length typically refers to the longest dimension of an object rather than its depth. Finally, it is not the area between two points (Choice D) because area is a measure of the space within a boundary defined by points, while depth specifically refers to the vertical distance below a surface.

2. 15\25 + 42\52 = ?

A. 1 3/10
B. 1 1/10
C. 1\10\2024
D. 3\10\2024

Correct answer: A

Rationale: 15\25 + 42\52 simplifies to 1 3\10.

3. Select the word or phrase that makes this sentence grammatically correct: 'After waking up, Dean eyed the cheesecake ____.'

A. hungry
B. hungriest
C. hungrily
D. more hungry

Correct answer: C

Rationale: The correct adverb to describe Dean's action of eyeing the cheesecake is 'hungrily.' Adverbs modify verbs, in this case, 'eyed,' making the sentence grammatically correct. 'Hungry' (choice A) is an adjective and does not fit the sentence structure. 'Hungriest' (choice B) is a superlative adjective and is not suitable to modify the verb 'eyed.' 'More hungry' (choice D) is a comparative construction and is also not the correct form to modify the verb.

4. What is the primary function of the endoplasmic reticulum in a cell?

A. Energy production
B. Protein synthesis
C. Waste removal
D. Transport of materials

Correct answer: D

Rationale: The endoplasmic reticulum's primary function is the transport of materials within the cell. It acts as a network of membranes to assist in the transportation of proteins and other substances throughout the cell. Choice A, 'Energy production,' is incorrect because the endoplasmic reticulum is not directly involved in energy production. Choice B, 'Protein synthesis,' is incorrect as protein synthesis mainly occurs in ribosomes, although the endoplasmic reticulum is involved in modifying and transporting proteins. Choice C, 'Waste removal,' is also incorrect as waste removal is primarily handled by other organelles like lysosomes and peroxisomes.

5. What is a common finding in a whiplash injury?

A. Cardiopulmonary issues
B. Side-to-side spinal curvature
C. Eventual herniation of discs
D. Traumatic injury to ligaments

Correct answer: D

Rationale: A common finding in a whiplash injury is a traumatic injury to ligaments. Whiplash occurs due to sudden hyperextension and hyperflexion of the neck, leading to strain or tearing of ligaments in the neck. This can manifest as neck pain, stiffness, and limited range of motion. While other complications like cardiopulmonary problems, side-to-side spinal curvature, or eventual herniation of discs are not typically associated with whiplash injuries.