Nursing Elites

1. Which organ system is primarily responsible for storing minerals?

• A. The skeletal system
• B. The endocrine system
• C. The lymphatic system
• D. The cardiovascular system

Correct answer: A

Rationale: The skeletal system is primarily responsible for storing minerals in the body. Bones serve as a storage site for essential minerals such as calcium and phosphorus, which are important for various bodily functions including bone strength, muscle contraction, and nerve signaling. The minerals stored in bones can be released into the bloodstream as needed to maintain optimal mineral levels in the body. The endocrine system is responsible for hormone regulation, not mineral storage. The lymphatic system is involved in immune function and fluid balance, not mineral storage. The cardiovascular system is responsible for circulating blood throughout the body, not storing minerals.

2. Select the phrase in the following sentence that is not used correctly. Before their hospitalization, the children had rarely eaten three meals a day.

• A. Before their
• B. children had
• C. had rarely
• D. rarely eat

Correct answer: C

Rationale: The phrase 'had rarely' is not used correctly in the sentence. The correct form should be 'rarely eaten' instead of 'had rarely' to convey the past tense of the children's eating habits before their hospitalization. 'Had rarely' is incorrect because it does not match the structure needed to describe the children's eating habits in the past. Choices A, B, and D are grammatically sound and fit appropriately in the sentence.

3. A 10-kg object moving at 5 m/s has an impulse acted on it causing the velocity to change to 15 m/s. What was the impulse that was applied to the object?

• A. 10 kg⋅m/s
• B. 15 kg⋅m/s
• C. 20 kg⋅m/s
• D. 100 kg⋅m/s

Correct answer: D

Rationale: Impulse is the change in momentum of an object. The initial momentum is calculated as 10 kg × 5 m/s = 50 kg⋅m/s, and the final momentum is 10 kg × 15 m/s = 150 kg⋅m/s. The change in momentum (impulse) is 150 kg⋅m/s - 50 kg⋅m/s = 100 kg⋅m/s. Therefore, the impulse applied to the object is 100 kg⋅m/s. Choices A, B, and C are incorrect because they do not reflect the correct calculation of the impulse based on the change in momentum of the object.

4. Multiply: 32 × 5 and express the result in decimal form.

• A. 0.0016
• B. 0.016
• C. 0.16
• D. 1.6

Correct answer: D

Rationale: To find the product of 32 and 5, you simply multiply the two numbers: 32 × 5 = 160. Therefore, when expressed in decimal form, the answer is 1.6. Choices A, B, and C are incorrect as they do not represent the correct multiplication result in decimal form. Choice A is way too small, choice B is also too small, and choice C is close but still not the correct result.

5. What does bifurcate mean?

• A. Fold twice
• B. Flower biannually
• C. Divide in two forks
• D. Pierce two openings

Correct answer: C

Rationale: Bifurcate means to divide into two forks or branches. It comes from the Latin word "bi" meaning two and "furca" meaning fork. So, when something bifurcates, it splits into two separate paths or divisions. Choice A, "Fold twice," is incorrect as bifurcate doesn't involve folding. Choice B, "Flower biannually," is unrelated to the meaning of bifurcate. Choice D, "Pierce two openings," is also incorrect as it does not capture the true essence of bifurcate, which is about dividing into two forks or branches.

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