Nursing Elites

1. Which blood vessel carries oxygenated blood back to the heart?

• A. Pulmonary vein
• B. Pulmonary artery
• C. Aorta
• D. Superior vena cava

Correct answer: A

Rationale: The corrected question is asking for a blood vessel that carries oxygenated blood back to the heart. The pulmonary vein is the correct choice as it carries oxygenated blood from the lungs back to the heart during systemic circulation. The pulmonary artery carries deoxygenated blood from the heart to the lungs for oxygenation. The aorta is the main artery that carries oxygenated blood away from the heart to the body. The superior vena cava returns deoxygenated blood from the upper body back to the heart.

2. The test was ridiculously easy, and the entire class got every question right. Which of the following parts of speech is 'ridiculously' as used in the sentence above?

• A. Verb
• B. Interjection
• C. Adjective
• D. Adverb

Correct answer: D

Rationale: 'Ridiculously' is an adverb in this sentence, modifying the adjective 'easy.' Adverbs typically modify adjectives, verbs, or other adverbs. In this case, 'ridiculously' is describing the adjective 'easy,' indicating the degree or manner of the adjective. Choices A, B, and C are incorrect. 'Ridiculously' is not a verb (choice A) as it is not expressing an action or state. It is not an interjection (choice B) since it is not an abrupt exclamation. Also, it is not an adjective (choice C) as it is not directly modifying a noun or pronoun.

3. It's really time for me to leave, and yet there are still so many things I'd like to do; next year I think I'll spend an extra week. Which of the following punctuation marks is used incorrectly in the sentence above?

• A. The comma after the word 'think'
• B. The semicolon after the word 'do'
• C. The period at the end of the sentence
• D. The comma after 'and yet'

Correct answer: A

Rationale: The comma after 'think' is unnecessary and incorrect. It should be removed to correct the sentence. The semicolon after 'do' is correct as it separates two independent clauses. The period at the end of the sentence is necessary to indicate the end of the sentence. The comma after 'and yet' is correctly used to separate two independent clauses joined by a coordinating conjunction.

4. The phrase 'labyrinths of lamplighted city' contains an example of what?

• A. Hyperbole
• B. Simile
• C. Metaphor
• D. Alliteration

Correct answer: D

Rationale: The correct answer is D, 'Alliteration.' The phrase 'labyrinths of lamplighted city' uses alliteration by repeating the 'l' sound, creating a rhythmic and vivid image of a city illuminated by lamps. Alliteration is the repetition of initial consonant sounds in neighboring words, and in this case, it enhances the description of the city in the reader's mind. Choices A, B, and C are incorrect because there is no exaggeration (hyperbole), comparison using 'like' or 'as' (simile), or direct comparison without using 'like' or 'as' (metaphor) present in the phrase.

5. How does the stability of an atom's nucleus influence its radioactive decay?

• A. Stable nuclei never undergo radioactive decay.
• B. Unstable nuclei are more likely to decay through various processes.
• C. Decay releases energy, making stable nuclei more prone to it.
• D. The element's position on the periodic table determines its decay rate.

Correct answer: B

Rationale: Unstable nuclei are more likely to decay through various processes. The stability of an atom's nucleus is a crucial factor in determining whether it will undergo radioactive decay. Unstable nuclei have an excess of either protons or neutrons, causing an imbalance in the nucleus. To achieve a more stable configuration, these nuclei will undergo radioactive decay by emitting particles or energy. On the contrary, stable nuclei are less likely to undergo radioactive decay as they possess a balanced number of protons and neutrons. Choice A is incorrect because stable nuclei can still undergo radioactive decay, albeit less frequently. Choice C is incorrect as decay does not make stable nuclei more prone to it; rather, it stabilizes them. Choice D is incorrect because an element's decay rate is primarily determined by the nucleus's stability, not its position on the periodic table.

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