Nursing Elites

1. What is the main argument presented in the passage?

• A. The custom of tipping should be abolished in favor of paying servers a living wage
• B. Tipping enhances service quality in restaurants
• C. Servers' pay should be determined by their performance
• D. Customers derive pleasure from the custom of tipping

Correct answer: A

Rationale: The correct answer is A: 'The custom of tipping should be abolished in favor of paying servers a living wage.' The rationale is that the passage argues for eliminating tipping and ensuring servers receive a fair wage. This is supported by the idea that servers should be paid adequately rather than relying on tips. Choice B is incorrect because the passage does not support the idea that tipping enhances service quality; it argues for a living wage instead. Choice C is incorrect as there is no mention of paying servers based on performance in the passage. Choice D is incorrect as the passage does not focus on customers' enjoyment of tipping but rather on the need to abolish the practice for fairer wages.

2. Solve for x: 3(x + 4) = 18

• A. x = 2
• B. x = 4
• C. x = 6
• D. x = 8

Correct answer: C

Rationale: To solve the equation 3(x + 4) = 18, first distribute the 3 to both terms inside the parentheses: 3x + 12 = 18. Next, isolate the variable x by subtracting 12 from both sides: 3x = 6. Finally, divide by 3 to solve for x, giving x = 6. Choice A, x = 2, is incorrect as the correct solution is x = 6. Choices B (x = 4) and D (x = 8) are also incorrect as they do not satisfy the given equation.

3. What is the basic structural and functional unit of the kidney?

• A. Neuron
• B. Nephron
• C. Glomerulus
• D. Axon

Correct answer: B

Rationale: The correct answer is B, Nephron. The nephron is indeed the basic structural and functional unit of the kidney. It is responsible for filtering blood, regulating electrolytes, maintaining fluid balance, and removing waste products. Choice A, Neuron, is incorrect as neurons are nerve cells, not specific to kidney function. Choice C, Glomerulus, is a component of the nephron but not the entire functional unit. Choice D, Axon, is a part of nerve cells and is not related to kidney structure or function.

4. Which organ produces bile to aid in digestion?

• A. Pancreas
• B. Liver
• C. Gallbladder
• D. Stomach

Correct answer: B

Rationale: The correct answer is B: Liver. The liver produces bile, which is stored in the gallbladder and released into the small intestine to aid in the digestion and absorption of fats. The pancreas secretes digestive enzymes, not bile. The gallbladder stores bile but does not produce it. The stomach produces gastric juices, not bile, to aid in digestion.

5. What is the end product of glycolysis?

• A. Lactic acid
• B. ATP
• C. NADPH
• D. Pyruvic acid

Correct answer: D

Rationale: The correct answer is D: Pyruvic acid. The end product of glycolysis is pyruvic acid, not lactic acid, ATP, or NADPH. Pyruvic acid is a key intermediary in cellular respiration and can be further metabolized to produce energy through processes like the citric acid cycle and oxidative phosphorylation. Lactic acid is produced in the absence of oxygen during fermentation, ATP is a product of cellular respiration but not the direct end product of glycolysis, and NADPH is generated in other metabolic pathways such as the pentose phosphate pathway, not in glycolysis.

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