Nursing Elites

1. Which of the following organs functions as both an endocrine and exocrine gland?

• A. The kidney
• B. The spleen
• C. The pancreas
• D. The stomach

Correct answer: C

Rationale: The pancreas is the correct answer as it functions as both an endocrine and exocrine gland. The endocrine function involves secreting insulin and glucagon into the bloodstream to regulate blood sugar levels, while the exocrine function involves releasing digestive enzymes into the small intestine to aid in digestion. The kidney (Choice A) primarily functions in the excretory system by filtering blood and producing urine. The spleen (Choice B) is involved in the immune system and blood storage but does not have endocrine or exocrine functions. The stomach (Choice D) is mainly an organ of the digestive system, secreting gastric juices to aid in digestion, but it does not have a dual endocrine and exocrine function like the pancreas.

2. Which of the following options is correctly punctuated?

• A. The runaway truck, which had been parked on a steep hill, swerved and teetered before jumping a curb and slamming into a tree.
• B. The runaway truck which had been parked on a steep hill swerved and teetered before jumping a curb and slamming into a tree.
• C. The runaway truck, which had been parked on a steep hill, swerved and teetered before jumping a curb and slamming into a tree.
• D. The runaway truck which had been parked on a steep hill, swerved and teetered before jumping a curb and slamming into a tree.

Correct answer: A

Rationale: The correct answer is A. The sentence correctly uses commas to set off the non-essential clause 'which had been parked on a steep hill.' The use of commas before and after the clause helps to distinguish it as additional information that could be omitted without changing the essential meaning of the sentence. Choices B, C, and D lack appropriate punctuation to set off the non-essential clause, making them incorrect. In these options, the absence of commas or the placement of commas incorrectly within the sentence affects the clarity and structure of the sentence, violating punctuation rules for non-essential clauses.

3. Which example shows correct comma usage for dates?

• A. The due date for the final paper in the course is Monday, May 16.
• B. Tuesday, March 10, 2021 was when the meeting took place.
• C. We will meet on Friday, March 11, 2022.
• D. We met on Monday, December 11, 2020.

Correct answer: A

Rationale: The correct answer is A because it uses a comma to separate the day of the week from the date, as well as a comma after the month when the date is included in a sentence. In choice B, there should be commas after both the day of the week and the date. Choice C correctly uses commas after the day of the week and the date. Choice D incorrectly places the comma before the date instead of after the month.

4. Which of the following organs is responsible for the mechanical breakdown of food into smaller pieces?

• A. Esophagus
• B. Stomach
• C. Small intestine
• D. Mouth

Correct answer: D

Rationale: The correct answer is D: Mouth. The mouth is responsible for the mechanical breakdown of food through chewing and mixing with saliva. This process is essential for breaking down food into smaller, more digestible pieces before swallowing. The esophagus (choice A) is a muscular tube that transports food from the mouth to the stomach and does not participate in the mechanical breakdown of food. The stomach (choice B) primarily functions to further break down food using acids and enzymes, rather than mechanical means. The small intestine (choice C) is responsible for absorbing nutrients from the digested food, not for the mechanical breakdown of food.

5. 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.

Similar Questions