what is the meaning of precept
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Nursing Elites

HESI A2

Vocabulary HESI A2 Practice Test

1. What does the term 'Precept' mean?

Correct answer: B

Rationale: The term 'Precept' refers to a guiding principle rather than just a rule, habit, or punishment. A precept is a general rule or principle guiding behavior, making choice B the correct answer. Choices A, C, and D are incorrect because a precept is more than just a simple rule, habit, or punishment; it encompasses a fundamental guiding principle that influences actions and decisions.

2. What is another word for CONCAVE?

Correct answer: D

Rationale: The correct answer is 'D: Sunken.' Concave refers to a surface or shape that curves inward, while 'sunken' is the closest synonym, also indicating something that is depressed or hollowed inward. Choice 'B: Convex' is incorrect as it is the opposite of concave, representing a shape that bulges outward. Choices 'A: Sunburned' and 'C: Puffed out' do not relate to the concept of concave shapes.

3. Which compound contains a polar covalent bond?

Correct answer: D

Rationale: The compound 'H₂O' (water) contains a polar covalent bond. In a water molecule, the oxygen atom is more electronegative than the hydrogen atoms. As a result, the electrons in the O-H bonds are unevenly shared, leading to a partial negative charge on the oxygen atom and partial positive charges on the hydrogen atoms. This unequal sharing of electrons creates a polar covalent bond in water. Choices A, B, and C are incorrect because they represent individual elements, not compounds, and do not involve the concept of polar covalent bonds.

4. Which of the following statements best describes endocrine glands?

Correct answer: A

Rationale: Endocrine glands are ductless glands that release hormones directly into the bloodstream. These hormones are then carried to target organs and tissues throughout the body, where they regulate various physiological functions. The statement 'They secrete chemicals into the blood' accurately describes the function of endocrine glands. Choices B, C, and D are incorrect because endocrine glands do not secrete enzymes into ducts, produce sweat, or produce saliva. These functions are typically associated with exocrine glands, sweat glands, and salivary glands, respectively.

5. A wave moves through its medium at 20 m/s with a wavelength of 4 m. What is the frequency of the wave?

Correct answer: C

Rationale: The formula to calculate the frequency of a wave is given by:

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