Nursing Elites

1. Which structure in the heart is responsible for preventing the backflow of blood from the left ventricle into the left atrium?

• A. Aortic valve
• B. Pulmonary valve
• C. Tricuspid valve
• D. Mitral valve

Correct answer: D

Rationale: The mitral valve, also known as the bicuspid valve, is located between the left atrium and the left ventricle of the heart. Its primary function is to prevent the backflow of blood from the left ventricle into the left atrium during ventricular contraction. The aortic valve (A) prevents the backflow of blood from the aorta into the left ventricle, the pulmonary valve (B) prevents the backflow of blood from the pulmonary artery into the right ventricle, and the tricuspid valve (C) prevents the backflow of blood from the right ventricle into the right atrium. Understanding the functions of these heart valves is crucial in maintaining proper blood flow through the heart and preventing regurgitation of blood into the wrong chambers.

2. What are the five basic elements of the writing process?

• A. Prewriting, drafting, conferencing, revision, editing
• B. Brainstorming, outlining, writing, peer-review, researching
• C. Researching, prewriting, writing, brainstorming, conferencing
• D. Prewriting, writing, revising, researching, proofreading

Correct answer: A

Rationale: The correct answer is A: Prewriting, drafting, conferencing, revision, editing. In the writing process, prewriting involves planning and brainstorming ideas, drafting is the stage where you put your ideas into writing, conferencing refers to seeking feedback or discussing the work, revision involves making changes to improve the content and structure, and editing focuses on correcting grammar, punctuation, and spelling errors. The other choices are incorrect because they either include elements that are not part of the standard writing process (such as peer-review and outlining) or they mix up the order of the stages (such as researching before prewriting).

3. During his study, Jenson finds himself increasingly drawn to information about the theaters of ancient Greece and particularly to the plays that the Greeks performed. What section of the library should he check next for more resources on the written plays that have survived from ancient Greece?

• A. 200
• B. 600
• C. 700
• D. 800

Correct answer: D

Rationale: Jenson should check section 800 for more resources on the written plays that have survived from ancient Greece. Section 800 generally covers literature and includes works of literary criticism, which would likely have information on ancient Greek plays, playwrights, and theatrical practices. Choice A (200) is for Religion, not related to ancient Greek plays. Choice B (600) is for Technical and applied science, unrelated to literature. Choice C (700) is for Arts and recreation, more related to the performing arts but not specifically focused on written plays from ancient Greece.

4. Solve for x: 3(x - 1) = 2(3x - 9)

• A. x = 2
• B. x = 8/3
• C. x = -5
• D. x = 5

Correct answer: D

Rationale: To solve the equation 3(x - 1) = 2(3x - 9), first distribute and simplify both sides to get 3x - 3 = 6x - 18. Next, subtract 3x from both sides to get -3 = 3x - 18. Then, add 18 to both sides to obtain 15 = 3x. Finally, divide by 3 to find x = 5. Therefore, the correct answer is x = 5. Choices A, B, and C are incorrect because they do not represent the correct solution to the given equation after proper algebraic manipulation.

5. Solve for x: 3(x - 5) = 2(x + 3)

• A. x = 3
• B. x = 6
• C. x = 9
• D. x = 12

Correct answer: A

Rationale: To solve the equation 3(x - 5) = 2(x + 3) for x, start by distributing the terms inside the parentheses. This gives you 3x - 15 = 2x + 6. Next, combine like terms by moving all terms with x to one side and the constants to the other side. Subtracting 2x from both sides gives x - 15 = 6. Finally, adding 15 to both sides results in x = 21. Therefore, the correct answer is A: x = 3. Choices B, C, and D are incorrect as they do not result from the correct calculations of the equation.

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