Nursing Elites

1. What is the central idea of this passage?

• A. It introduces certain insects that transition from water to air.
• B. It describes how insects adapt to their environment.
• C. It discusses the significance of insects in ecosystems.
• D. It highlights the duality of insect life.

Correct answer: C

Rationale: The central idea of the passage is to highlight the significance of understanding insects in ecosystems, not just focusing on their adaptability or life transitions. Choice A is incorrect as the passage does not introduce specific insects transitioning from water to air. Choice B is incorrect as the main focus is not solely on how insects adapt to their environment, but on their broader role in ecosystems. Choice D is incorrect as the passage does not discuss the duality of insect life, but rather their importance in the ecosystem.

2. How many neutrons are in an atom of the following element with a mass number of 50?

• A. 38
• B. 88
• C. 50
• D. 126

Correct answer: C

Rationale: Neutrons are found in the nucleus of an atom along with protons. To determine the number of neutrons in an atom, subtract the atomic number (number of protons) from the mass number. In this case, the mass number given is 50. Since the atomic number is not specified, we can infer it from the choices provided. The mass number of an element represents the total sum of protons and neutrons in the nucleus. Therefore, the number of neutrons in this atom would also be 50, as the mass number is equivalent to the combined number of protons and neutrons, making choice C the correct answer. Choices A, B, and D are incorrect as they do not match the given mass number of 50.

3. Find the area in square centimeters of a circle with a diameter of 16 centimeters. Use 3.14 for π.

• A. 25.12
• B. 50.24
• C. 100.48
• D. 200.96

Correct answer: D

Rationale: The formula for the area of a circle is: Area = π x (radius²). Given: Diameter = 16 cm, so Radius = Diameter / 2 = 16 / 2 = 8 cm. Now, calculate the area using π = 3.14: Area = 3.14 x (8²) = 3.14 x 64 = 200.96 cm². The correct answer is D (200.96 cm²) as it correctly calculates the area of the circle. Choices A, B, and C are incorrect as they do not represent the accurate area of the circle based on the given diameter and π value.

4. Which term is used to classify reactions that require light energy to proceed?

• A. Combustion reactions
• B. Endothermic reactions
• C. Photochemical reactions
• D. Double displacement reactions

Correct answer: C

Rationale: Reactions that require light energy to proceed are classified as photochemical reactions. Photochemical reactions involve the absorption of light energy to initiate a chemical reaction. Combustion reactions involve the rapid combination of a substance with oxygen, endothermic reactions absorb heat from the surroundings, and double displacement reactions involve the exchange of ions between two compounds. Therefore, the correct term for reactions requiring light energy is 'photochemical reactions,' making option C the correct answer.

5. The following words share a common Greek-based suffix: anthropology, biology, cosmetology, etymology, and genealogy. What is the most likely meaning of the suffix -logy?

• A. Record
• B. Study
• C. Science
• D. Technique

Correct answer: B

Rationale: The correct answer is B: 'Study.' The suffix -logy is derived from the Greek word 'logia,' meaning 'the study of.' In words like anthropology (study of humans), biology (study of life), cosmetology (study of cosmetics), etymology (study of word origins), and genealogy (study of family history), the suffix -logy indicates a field of study or discipline. Choices A, C, and D are incorrect because the suffix -logy does not signify 'record,' 'science,' or 'technique,' but rather the concept of 'study' or 'science of.'

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