Nursing Elites

1. Which of the following statements best describes endocrine glands?

• A. They absorb chemicals from the blood
• B. They secrete chemicals into the blood
• C. They filter chemicals from the blood
• D. They absorb chemicals from the lymphatic system

Correct answer: B

Rationale: The correct answer is B: 'They secrete chemicals into the blood.' Endocrine glands release hormones directly into the bloodstream to regulate various body functions. This process helps in maintaining homeostasis and coordinating different physiological processes within the body. Choice A is incorrect as endocrine glands do not absorb chemicals from the blood; instead, they release hormones. Choice C is incorrect as endocrine glands do not filter chemicals from the blood; they secrete hormones. Choice D is incorrect as endocrine glands do not absorb chemicals from the lymphatic system; they release hormones into the bloodstream.

2. Which word is a synonym for ASSURED?

• A. Confirmed the truth of
• B. Sympathized with
• C. Denied the truth of
• D. Made known to

Correct answer: A

Rationale: The correct answer is 'Confirmed the truth of' because 'assured' means to make certain or confident. To confirm the truth of something is to provide certainty, which aligns with the meaning of 'assured.' Choice B, 'Sympathized with,' is incorrect as it means to express compassion or understanding, which is not synonymous with 'assured.' Choice C, 'Denied the truth of,' is incorrect as it means to reject or contradict the truth, which is the opposite of 'assured.' Choice D, 'Made known to,' is incorrect as it refers to revealing or informing, which is not synonymous with 'assured.'

3. How many pairs of electrons are shared between two atoms in a single bond?

• A. 1
• B. 2
• C. 3
• D. 4

Correct answer: A

Rationale: In a single bond, two atoms share one pair of electrons. This shared pair of electrons is what holds the atoms together in the bond. Therefore, the correct answer is A: 1. Choices B, C, and D are incorrect because they do not represent the number of electron pairs shared in a single bond.

4. Which hormone is produced by the pineal gland?

• A. Corticosteroid
• B. Oxytocin
• C. Prolactin
• D. Melatonin

Correct answer: D

Rationale: Melatonin is the hormone produced by the pineal gland. It plays a crucial role in regulating the sleep-wake cycle and is instrumental in maintaining the body's circadian rhythm. Melatonin production is triggered by darkness and inhibited by light, aiding in signaling the body when it is time to sleep. Corticosteroid, oxytocin, and prolactin are hormones produced by other glands in the body and are not associated with the pineal gland. Therefore, they are incorrect choices for this question.

5. What is the correct subjunctive verb to complete the sentence? 'If I ___ you, I'd leave now.'

• A. Were
• B. Is
• C. Be
• D. Was

Correct answer: A

Rationale: The correct answer is 'Were.' In the subjunctive mood, we use 'were' for hypothetical or unreal situations. The sentence should read, 'If I were you, I'd leave now.' Choice B ('Is') is incorrect because it is not in the subjunctive form. Choice C ('Be') is incorrect as it is the base form and not the correct form for the subjunctive mood. Choice D ('Was') is incorrect as it is the past tense form and not used in the subjunctive mood.

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