Nursing Elites

1. Percent (%) is a way to express a fraction with a denominator of 100. 125% can be expressed as a fraction in lowest terms. Which of the following represents 125% as a fraction?

• A. 5/4
• B. 1/8
• C. 5/2
• D. 25/2

Correct answer: A

Rationale: Percent literally means "out of one hundred." So, 125% is equivalent to 125/100. We can simplify this fraction by dividing the numerator and denominator by 25, resulting in 5/2.

2. Which word is most closely associated with the adjective "ambiguous"?

• A. Precise
• B. Vague
• C. Definite
• D. Straightforward

Correct answer: B

Rationale: "Ambiguous" implies uncertainty or multiple interpretations, making "vague" its closest synonym.

3. A symbiotic relationship where one organism benefits and the other is not harmed is called:

• A. Mutualism
• B. Commensalism
• C. Parasitism
• D. Predation

Correct answer: B

Rationale: Rationale: A) Mutualism: In mutualism, both organisms involved benefit from the relationship. B) Commensalism: In commensalism, one organism benefits while the other is neither helped nor harmed. This is the relationship described in the question. C) Parasitism: In parasitism, one organism benefits at the expense of the other organism, which is harmed. D) Predation: In predation, one organism (predator) kills and consumes another organism (prey) for food.

4. The important decision will be made tomorrow. Which word is the comparative form of the adjective "important"?

• A. important
• B. importantly
• C. more important
• D. most important

Correct answer: C

Rationale: The comparative form of an adjective compares two things.

5. Pseudostratified columnar epithelium

• A. Skeletal muscle
• B. Bony skeleton
• C. External ears
• D. Bloodstream

Correct answer: C

Rationale: The correct answer is C: External ears. Pseudostratified columnar epithelium is a type of epithelial tissue found in the respiratory tract, where it appears to be stratified but all cells are anchored to the basement membrane. The external ears are lined with pseudostratified columnar epithelium to help protect and support the structures of the ear canal. Skeletal muscle (A) is a type of muscle tissue, bony skeleton (B) refers to bones, and bloodstream (D) is a system for blood circulation, which are not related to pseudostratified columnar epithelium.

6. What happens to the gravitational potential energy of an object as it falls freely?

• A. It decreases
• B. It increases
• C. It remains constant
• D. It becomes zero

Correct answer: a

Rationale: Gravitational potential energy decreases as an object falls freely due to a decrease in its height.

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