Nursing Elites

1. Which part of a plant’s reproductive system is of a different “gender” than the others?

• A. Stamen
• B. Pistil
• C. Stigma
• D. Style

Correct answer: A

Rationale: The stamen is the male reproductive organ of a plant, producing pollen grains. The pistil, consisting of the stigma, style, and ovary, is the female reproductive organ. Therefore, the stamen is of a different 'gender' than the other parts of the plant's reproductive system. The pistil, stigma, and style are all part of the female reproductive system, involved in receiving pollen and supporting fertilization. Stamen is the correct answer as it is the male part of a plant's reproductive system, making it different 'gender-wise' from the female parts.

2. Which compound is a Hydrogen or proton donor, corrosive to metals, causes blue litmus paper to become red, and becomes less acidic when mixed with a base?

• A. Base
• B. Acid
• C. Salt
• D. Hydroxide

Correct answer: B

Rationale: The correct answer is 'Acid.' An acid is a compound that donates protons (H+), is corrosive to metals, and turns blue litmus paper red. When an acid is mixed with a base, they react to form salts and water, resulting in a decrease in acidity. Choices A, C, and D are incorrect because bases accept protons rather than donate them, salts are the products of acid-base reactions, and hydroxides are typically bases, not acids.

3. Select the meaning of the word 'tenuous' in the sentence: 'Patients in this wing often have a tenuous hold on reality.'

• A. Judicious
• B. Deleted
• C. Frantic
• D. Fragile

Correct answer: D

Rationale: In this context, the word 'tenuous' is used to describe a weak or delicate hold on reality. 'Fragile' is the correct choice as it conveys the idea of something being easily broken or damaged, which aligns with the meaning of 'tenuous' in the sentence. Choice A, 'Judicious,' means having good judgment, which is unrelated to the context. Choice B, 'Deleted,' means removed or erased, which is not synonymous with 'tenuous.' Choice C, 'Frantic,' means panicked or desperate, which does not capture the delicate or weak nature implied by 'tenuous.'

4. A plucked guitar string makes 80 vibrations in one second. What is the period?

• A. 0.0125 s
• B. 0.025 s
• C. 0.125 s
• D. 0.25 s

Correct answer: B

Rationale: The period is the time taken for one complete vibration of the guitar string. To find the period, you need to take the reciprocal of the frequency. Since the string makes 80 vibrations in one second, the period is 1/80 = 0.0125 seconds (or 0.025 s). Choice A is incorrect because it is the reciprocal of 80. Choice C is incorrect as it is 10 times the reciprocal of 80. Choice D is incorrect as it is 100 times the reciprocal of 80.

5. A nit is a kind of _______.

• A. Abscess
• B. Bandage
• C. Parasite
• D. Infection

Correct answer: C

Rationale: Correct! A nit is the egg of a parasitic insect, such as a louse. This makes 'Parasite' the correct answer. An abscess (Choice A) is a swollen area within body tissue containing an accumulation of pus. A bandage (Choice B) is a strip of material used to cover and protect a wound. An infection (Choice D) is the invasion and multiplication of microorganisms in body tissues.

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