Nursing Elites

1. Which sentence uses the gerund (-ing) form correctly?

• A. My favorite activity is playing tennis.
• B. He enjoys traveling to new places.
• C. Reading a good book is relaxing.
• D. Writing is her passion.

Correct answer: A

Rationale: Option A correctly uses the gerund form 'playing' as the direct object of the verb 'is.' In option B, 'traveling' is used correctly as a gerund after 'enjoys.' Option C also correctly uses 'Reading' as a gerund at the beginning of the sentence. However, in option D, 'Writing' is used as a gerund, but it lacks context or a clear function for the -ing form in the sentence, unlike the other options. The gerund form should serve a purpose in the sentence structure, which is not evident in option D.

2. Which of the following is the smallest part of an element that can still be recognized as that element?

• A. Electron
• B. Proton
• C. Neutron
• D. Atom

Correct answer: D

Rationale: An atom is the smallest unit of matter that retains the chemical properties of an element. It consists of a nucleus containing protons and neutrons, surrounded by electrons that orbit the nucleus. The number of protons in the nucleus defines the atomic number of the element, and the number of neutrons determines the isotope of the element. While electrons, protons, and neutrons are fundamental particles, an atom as a whole is the smallest part of an element that maintains its unique identity. Electrons are negatively charged particles orbiting the nucleus, protons are positively charged particles in the nucleus, and neutrons are neutral particles in the nucleus. Therefore, the correct answer is 'D: Atom.'

3. Which of the following is the main organ responsible for producing antibodies?

• A. Thymus gland
• B. Spleen
• C. Bone marrow
• D. Lymph nodes

Correct answer: C

Rationale: Antibodies are proteins produced by specialized white blood cells called B lymphocytes (B cells). These B cells mature in the bone marrow, where they undergo a process of differentiation and maturation to become plasma cells that secrete antibodies. The bone marrow is the primary site for the production of B cells and antibodies in the immune system. The thymus gland is responsible for the maturation of T lymphocytes (T cells), not antibody production. The spleen and lymph nodes play roles in filtering and trapping pathogens but are not the main organs responsible for producing antibodies.

4. What is a typical characteristic of male cicadas?

• A. They have short antennae and wide-set eyes.
• B. They respond with a clicking sound when ready to mate.
• C. They make strident, high buzzing sounds by vibrating two membranes on their abdomen.
• D. They deposit eggs into the bark after mating.

Correct answer: C

Rationale: Male cicadas are known for making strident, high buzzing sounds by vibrating two membranes on their abdomen, reaching up to 80 to 100 decibels, similar to the roar of a loud engine. This behavior is distinct to male cicadas and serves as a way to attract females for mating. Choice A is incorrect because it describes physical characteristics of cicadas, not behavior. Choice B is incorrect as it describes the behavior of female cicadas, not males. Choice D is incorrect as it pertains to the behavior of female cicadas after mating, not males.

5. To whom is this passage probably being written?

• A. a mother
• B. a father
• C. a babysitter
• D. a nurse

Correct answer: C

Rationale: The passage provides detailed instructions on how to take care of a little girl, indicating that the intended audience is someone other than the child's parents. A babysitter is the most likely recipient of these instructions, as they are typically hired to care for children when the parents are away. The specific guidance on feeding, naptime routine, and other care tasks align with what a babysitter would need to know to care for a child in place of the parents. Choices A, B, and D are incorrect because the passage does not address the child's parents directly. It focuses on providing guidance to someone temporarily responsible for the child's care, such as a babysitter.

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