Nursing Elites

1. How do efferent fibers exit the spinal cord?

• A. Through the anterior aspect
• B. Through the dorsal aspect
• C. Through the ventral aspect
• D. Through the lateral aspect

Correct answer: C

Rationale: Efferent fibers, which carry motor commands, exit the spinal cord through the ventral aspect, also known as the anterior aspect. The correct answer is C, 'Through the ventral aspect.' Efferent fibers exiting through the ventral aspect are responsible for carrying motor commands from the spinal cord to the muscles and glands. Choices A, B, and D are incorrect. Efferent fibers do not exit through the dorsal, lateral, or anterior aspects of the spinal cord.

2. Identify the adjective in the following sentence: The colorful sunset painted the sky with vibrant hues.

• A. sunset
• B. with
• C. colorful
• D. painted

Correct answer: C

Rationale: The correct answer is 'C - colorful.' Adjectives are words that describe or modify nouns or pronouns. In this sentence, 'colorful' describes the noun 'sunset,' making it the adjective in the sentence. Choice A, 'sunset,' is a noun, not an adjective. Choice B, 'with,' is a preposition. Choice D, 'painted,' is a verb, not an adjective. Therefore, the correct answer is 'C - colorful.'

3. The syllable '-tion' is a(n) _______ and turns a _______ into a _______.

• A. Suffix; verb; noun
• B. Affix; noun; pronoun
• C. Prefix; noun; verb
• D. Infix; noun; adjective

Correct answer: A

Rationale: The syllable '-tion' is a suffix that is commonly added to verbs to turn them into nouns. For example, the word 'action' is formed by adding '-tion' to the verb 'act.' This transformation changes the verb into a noun representing the act itself. Therefore, option A correctly identifies '-tion' as a suffix that turns a verb into a noun. Choices B, C, and D are incorrect because they misidentify '-tion' as a different type of affix (prefix, infix) and incorrectly associate it with nouns, pronouns, verbs, or adjectives instead of its actual function of transforming verbs into nouns.

4. What is the energy required to break a chemical bond called?

• A. Kinetic energy
• B. Potential energy
• C. Activation energy
• D. Bond energy

Correct answer: C

Rationale: Activation energy is the energy required to break a chemical bond and initiate a chemical reaction. It is the minimum amount of energy needed to start a chemical reaction by breaking bonds in the reactant molecules. Kinetic energy (option A) is the energy of motion and is not directly related to breaking chemical bonds. Potential energy (option B) is stored energy that can be converted into other forms of energy but is not specifically about breaking chemical bonds. Bond energy (option D) refers to the energy required to break a particular chemical bond in a molecule and is not the general term for the energy needed to break any chemical bond. Activation energy is crucial in determining the rate of a chemical reaction as it affects the probability of reactant molecules colliding with sufficient energy to surpass the energy barrier and form products.

5. A couple dining at a restaurant receives a bill for $28.40. They wish to leave a 10% tip. Which of the following is the estimated gratuity?

• A. $4.00
• B. $6.00
• C. $2.50
• D. $3.00

Correct answer: D

Rationale: To calculate a 10% tip on a bill of $28.40, you would first find 10% of $28.40, which is $2.84. Since you typically round up when leaving a tip, the estimated gratuity would be $3.00. Option A is incorrect as it is too high for a 10% tip. Option B is incorrect as it is too high. Option C is incorrect as it is too low for a 10% tip. Therefore, the correct answer is $3.00.

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