HESI A2
HESI A2 Vocabulary 2023
1. What is the best description for the term flaccid?
- A. Light-colored
- B. Drooping or loose
- C. Uncontaminated
- D. Unusually aggressive
Correct answer: B
Rationale: The term 'flaccid' is commonly used to describe something that is limp, soft, or lacking firmness. It suggests a lack of stiffness or rigidity, often used to describe plants, muscles, or other objects that are in a drooping or loose state. Choice A 'Light-colored' is incorrect as it does not convey the meaning of flaccid. Choice C 'Uncontaminated' and Choice D 'Unusually aggressive' are also incorrect as they do not relate to the definition of flaccid.
2. Choose the meaning of the word 'yaw' in the following sentence: 'The robotic arm may yaw too much and need adjusting.'
- A. To gape open
- B. To move up and down
- C. To close tightly
- D. To move side to side
Correct answer: D
Rationale: In this sentence, the term 'yaw' refers to a movement where the robotic arm moves side to side. The context suggests that the arm is exhibiting too much of this side-to-side movement and requires adjustment to rectify the issue. Choice A, 'to gape open,' is incorrect as 'yaw' does not imply opening. Choice B, 'to move up and down,' is incorrect as 'yaw' specifically refers to side-to-side movement. Choice C, 'to close tightly,' is incorrect as it does not relate to the movement described in the sentence.
3. A stye is an infection of the ___________.
- A. eyelid
- B. eardrum
- C. nostril
- D. scalp
Correct answer: A
Rationale: A stye is an infection that occurs at the base of an eyelash or on the eyelid. It is typically caused by a bacterial infection, leading to redness, swelling, and sometimes discomfort in the affected area. Choices B, C, and D are incorrect because a stye specifically refers to an infection of the eyelid area, not the eardrum, nostril, or scalp.
4. What is your “funny bone” actually?
- A. Humerus
- B. Ulnar nerve
- C. Carpal bone
- D. Biceps brachii
Correct answer: B
Rationale: Your 'funny bone' is actually your ulnar nerve, not a bone. The ulnar nerve runs along the inside part of your elbow and is easily bumped or compressed, leading to a tingling or slightly painful sensation that is commonly referred to as hitting your funny bone. The humerus (Choice A) is the long bone in your upper arm, the carpal bone (Choice C) is a bone in your wrist, and the biceps brachii (Choice D) is a muscle in your upper arm. Therefore, the correct answer is the ulnar nerve (Choice B).
5. What is the best description for the abbreviation EEG?
- A. A test of brain activity
- B. A medical service
- C. A heartbeat monitor
- D. A specialist in dentistry
Correct answer: A
Rationale: The correct answer is A: 'A test of brain activity.' EEG stands for Electroencephalogram, a test used to evaluate the electrical activity in the brain. It helps diagnose conditions like epilepsy, seizures, and other brain disorders. Choice B, 'A medical service,' is too broad and does not specifically refer to EEG. Choice C, 'A heartbeat monitor,' is incorrect as EEG does not monitor the heart. Choice D, 'A specialist in dentistry,' is unrelated to the abbreviation EEG.
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