Nursing Elites

1. Which of the answer choices best explains the purpose of the parentheses in the sentence?

• A. To offer brief commentary on the subject matter being discussed
• B. To modify or qualify the statement that came immediately before
• C. To identify information that was located using another source
• D. To set off useful information that does not fit the flow of the sentence

Correct answer: D

Rationale: The correct answer is D. Parentheses are used to set off supplementary information (the years of Franz Joseph I's reign) that provides context but does not disrupt the flow of the main sentence. Choice A is incorrect as the purpose of the parentheses in this case is not to offer commentary but to provide additional information. Choice B is incorrect as the parentheses do not modify or qualify the statement before. Choice C is incorrect as the information in the parentheses is not identified as being from another source.

2. Which dome-shaped muscular structure separates the chest cavity from the abdominal cavity?

• A. Diaphragm
• B. Sternum
• C. Pericardium
• D. Trachea

Correct answer: A

Rationale: The diaphragm is the correct answer. It is a dome-shaped muscular structure that separates the chest cavity from the abdominal cavity. The diaphragm plays a crucial role in breathing by contracting and relaxing to change thoracic volume during inhalation and exhalation. The sternum is a flat bone in the center of the chest and is not the structure that separates the chest and abdominal cavities. The pericardium is a membrane that surrounds the heart, not involved in separating cavities. The trachea is the windpipe that connects the larynx to the bronchi and is not the structure that separates the chest and abdominal cavities.

3. What is the difference between a real image and a virtual image formed by a lens?

• A. Real images can be projected onto a screen, while virtual images cannot.
• B. Real images are always upright, while virtual images can be inverted.
• C. Real images are formed by converging lenses, while virtual images are formed by diverging lenses.
• D. All of the above are true.

Correct answer: A

Rationale: The correct answer is A. Real images can be projected onto a screen because they are formed by the actual convergence of light rays, while virtual images cannot be projected onto a screen as they appear to diverge from a point behind the lens. Real and virtual images do not have a consistent orientation (upright or inverted), so option B is incorrect. Real images are formed by both converging and diverging lenses depending on the specific scenario, so option C is not a definitive distinction. Option D is incorrect as not all the statements are true. Therefore, the only accurate general distinction between real and virtual images is that real images can be projected onto a screen, while virtual images cannot.

4. Please don't take what I said so personally. Which of the following parts of speech is 'personally' as used above?

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

Correct answer: D

Rationale: In the sentence, 'personally' is modifying the verb 'take,' indicating how the action is done. Adverbs often answer questions like how, when, where, and to what extent. 'Personally' in this context is an adverb, making choice D the correct answer. Choices A, B, and C are incorrect as 'personally' does not function as an article (a, an, the), adjective (describing a noun), or verb (action word) in this sentence.

5. Which of the following molecules is a monosaccharide?

• A. Starch
• B. Glucose
• C. Cellulose
• D. Sucrose

Correct answer: B

Rationale: Starch is a polysaccharide, not a monosaccharide, making choice A incorrect. Glucose, choice B, is the correct answer as it is a monosaccharide, the simplest form of sugar. Cellulose, choice C, is a polysaccharide like starch, not a monosaccharide. Sucrose, choice D, is a disaccharide composed of glucose and fructose, not a monosaccharide. Glucose, being a monosaccharide, is a single sugar unit that serves as a primary energy source for living organisms.

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