HESI A2 Practice Test Vocabulary

Correct Answer: C

Rationale: The correct answer is C: Sense of balance. In the context provided, the word 'equilibrium' refers to the state of physical balance or stability. It is commonly used in the context of maintaining balance, such as in the inner ear. Choices A, B, and D do not align with the meaning of 'equilibrium' as they refer to different senses and abilities. Therefore, the correct answer is C as it directly relates to the concept of balance in this context.

Correct Answer: B

Rationale: The correct answer is B: Fontanel. Fontanels are soft spots on a newborn's head where the skull bones have not yet fused together, allowing for flexibility during birth and brain growth. Fistula (A) is an abnormal connection between organs, not related to newborns. Follicle (C) is a structure in the skin related to hair growth, not present on the head. Fissure (D) is a narrow opening or groove, not specifically related to newborn anatomy. The fontanel is crucial for monitoring newborn development and health.

Correct Answer: C

Rationale: The correct answer is C: Flexible. The plumber used a flexible tube because it can bend and conform to the shape of the curved pipe, making it easier to navigate through the twists and turns. A solid or rigid tube would not be able to maneuver through the curved pipe effectively. Perforated tube has holes and would not be suitable for clearing blockages. In summary, the flexibility of the tube allows it to adapt to the shape of the pipe, making it the most appropriate choice for this task.

Correct Answer: A

Rationale: The correct answer is A: Regimen. A regimen refers to a systematic plan or set of rules to follow, which aligns with the phrase 'a system of procedures to follow'. Regime (B) typically refers to a government or ruling system, not specific procedures. Testament (C) refers to a will or statement of belief, unrelated to procedures. Treatment (D) refers to medical care or a way of dealing with something, not a set of procedures. Therefore, A is the best choice as it directly reflects the meaning of the given phrase.

Correct Answer: A

Rationale: The correct answer is A: Prefix. A prefix is a word part placed before a base word to change its meaning. It comes before the root word and alters its definition. Prefixes are essential in forming new words and expanding vocabulary. Choice B: Affix is a broad term that refers to both prefixes and suffixes. While technically correct, it is not as specific as prefix in this context. Choice C: Suffix is a word part placed after a base word to change its meaning. It is the opposite of a prefix. Choice D: Vocab is short for vocabulary and does not relate to the word part placed before a word to change its meaning.