HESI A2
HESI A2 Vocabulary Quiz
1. Choose the meaning of the word progeny in the following sentence: 'This is a disease that is likely to recur in a patient’s progeny.'
- A. Chest
- B. Hormones
- C. Offspring
- D. Lifetime
Correct answer: C
Rationale: In the given sentence, the word 'progeny' means descendants or offspring. It refers to the children or future generations of the patient. Choice A, 'Chest,' is incorrect as it does not relate to the context of the sentence. Choice B, 'Hormones,' is also incorrect as it is not synonymous with 'progeny.' Choice D, 'Lifetime,' is unrelated to the concept of offspring, making it an incorrect choice.
2. Select the correct word for the blank in the following sentence: The intern and ___________ are folding the bandages.
- A. us
- B. he
- C. them
- D. her
Correct answer: C
Rationale: In this sentence, the correct word to use is 'them.' The subject of the sentence is 'the intern and another person,' indicating more than one individual. Therefore, the pronoun 'them' is the appropriate choice to refer to multiple people engaged in folding the bandages. Choice A ('us') is incorrect as it refers to the speaker and the intern, not the intern and another person. Choice B ('he') is singular and does not match the plural subject of the sentence. Choice D ('her') is also singular and does not agree with the plural subject 'the intern and another person.'
3. Lights out on the base is at 10:30 P.M. What would that be in military time?
- A. 1030
- B. 1300
- C. 1230
- D. 2230
Correct answer: D
Rationale: In military time, the time of 10:30 P.M. is represented as 2230. Military time follows a 24-hour clock system where hours are not converted to a 12-hour clock. Each hour is represented from 00 to 23. Therefore, 10:30 P.M. in military time is 2230. Choice A, 1030, is incorrect as it represents 10:30 A.M. Choice B, 1300, stands for 1:00 P.M., and Choice C, 1230, is equivalent to 12:30 P.M. Hence, the correct answer is D.
4. What part of the eye is responsible for focusing light on the retina?
- A. Cornea
- B. Lens
- C. Retina
- D. Pupil
Correct answer: B
Rationale: The lens of the eye is responsible for focusing light on the retina. When light enters the eye, it first passes through the cornea, which helps in bending the light, and then the lens further refracts and focuses the light onto the retina at the back of the eye. The retina contains photoreceptor cells that convert light into neural signals, which are then sent to the brain for visual processing. The cornea is the transparent outermost layer of the eye that helps in focusing light, but the main responsibility lies with the lens. The retina is the layer at the back of the eye that receives the focused light and initiates the process of vision. The pupil is the opening in the center of the iris that controls the amount of light entering the eye and is not directly involved in focusing light on the retina.
5. In fluid dynamics, the continuity equation, a fundamental principle, expresses the conservation of:
- A. Momentum
- B. Mass
- C. Energy
- D. Angular momentum
Correct answer: B
Rationale: The continuity equation in fluid dynamics is a statement of the conservation of mass, making choice B the correct answer. It states that the mass entering a system must equal the mass leaving the system, assuming no mass is created or destroyed within the system. Conservation of momentum (choice A) is related to Newton's laws of motion and is not directly expressed by the continuity equation. Conservation of energy (choice C) involves different principles like the first law of thermodynamics and is not the focus of the continuity equation. Angular momentum (choice D) is also a different concept related to rotational motion and not described by the continuity equation.
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