select the meaning of the quoted word in the sentence something that remains is referred to as
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HESI A2

HESI A2 Practice Test Vocabulary

1. Select the meaning of the word 'residual' in the sentence. Something that remains is referred to as __________.

Correct answer: B

Rationale: The correct answer is 'B: Residual.' In the given sentence, 'residual' is used to describe something that is left or remaining. 'Residual' fits the context perfectly as it aligns with the definition of what remains. The other choices are incorrect: A) 'Resident' refers to a person living in a specific place, C) 'Resistance' is the act of opposing or withstanding something, and D) 'Resin' is a sticky substance produced by plants.

2. Select the meaning of the word 'exogenous' in the sentence: 'Exogenous factors will affect the patient’s well-being.'

Correct answer: A

Rationale: The correct answer is A: 'Produced outside the body.' In the given sentence, 'exogenous' is used to refer to factors that originate externally, such as environmental influences. Choice B, 'Produced within the body,' is incorrect as it describes endogenous factors. Choice C, 'Produced by the kidneys,' is incorrect as it specifies a specific organ rather than the general concept of external origin. Choice D, 'Hereditary,' is incorrect as it relates to genetic inheritance, which is not the meaning of 'exogenous.'

3. Which part of the respiratory system is in the upper respiratory tract?

Correct answer: D

Rationale: The upper respiratory tract includes structures such as the nose, nasal cavity, pharynx, and larynx. These structures are responsible for filtering, warming, and humidifying the air. The lower respiratory tract comprises the trachea, bronchi, bronchioles, alveolar ducts, and alveoli. Bronchioles, alveolar ducts, and alveoli are all part of the lower respiratory system, involved in gas exchange. Therefore, the correct answer is 'None of the above' as none of the listed options are part of the upper respiratory tract.

4. For a compressible fluid subjected to rapid pressure changes, sound wave propagation becomes important. The speed of sound (c) depends on the fluid's:

Correct answer: C

Rationale: In a compressible fluid, the speed of sound (c) depends on both the fluid's density (ρ) and Bulk modulus. Density affects the compressibility of the fluid, while Bulk modulus represents the fluid's resistance to compression and plays a crucial role in determining the speed of sound in a compressible medium. Viscosity and surface tension do not directly impact the speed of sound in a compressible fluid subjected to rapid pressure changes. Therefore, the correct answer is C.

5. How many ounces are in 3 quarts?

Correct answer: D

Rationale: There are 32 ounces in a quart. Therefore, 3 quarts would be equal to 3 quarts x 32 ounces = 96 ounces. The correct answer is D. Choice A, 64 ounces, is incorrect as it miscalculates the conversion from quarts to ounces. Choice B, 32 ounces, is the conversion for 1 quart, not 3 quarts. Choice C, 48 ounces, is also an incorrect calculation, not considering the correct conversion rate.

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