Nursing Elites

1. Which conjunction best joins the following sentence: 'She loves animals, ____ she volunteers at the shelter.'

• A. because
• B. therefore
• C. so
• D. and

Correct answer: D

Rationale: The correct answer is 'and.' 'And' is the most appropriate conjunction here as it simply adds information about her love for animals without implying cause or effect. It connects two independent clauses in a neutral way, indicating that she loves animals and also volunteers at the shelter. The other choices, 'because,' 'therefore,' and 'so,' suggest a cause-and-effect relationship between loving animals and volunteering at the shelter, which is not the intended meaning in this context.

2. What term describes the phenomenon of two waves canceling each other out when they meet?

• A. Refraction
• B. Diffraction
• C. Destructive interference
• D. Constructive interference

Correct answer: C

Rationale: Destructive interference is the term used to describe the phenomenon when two waves meet and their amplitudes are such that they cancel each other out, resulting in a wave with a smaller amplitude or no wave at all. This cancellation effect occurs due to the waves being out of phase. This is in contrast to constructive interference, where two waves combine to produce a wave with a larger amplitude. Refraction is the bending of waves as they pass through different mediums, such as light passing through glass, while diffraction is the bending of waves around obstacles or through openings. In this case, the concept described in the question specifically aligns with destructive interference, making it the correct answer.

3. Which of the following sentences contains an indirect object?

• A. Melissa walked to the grocery store for milk.
• B. Dante skimmed the magazine while waiting in the lobby.
• C. Jorge assigned the class some math problems.
• D. Sara went to the movie with Amal.

Correct answer: C

Rationale: In sentence C, 'Jorge assigned the class some math problems,' 'the class' is the indirect object receiving the direct object 'some math problems.' In this sentence, 'the class' is the recipient of the action, making it the indirect object. The other choices do not contain an indirect object. In sentences A, B, and D, there are no instances of an indirect object. Therefore, the correct answer is C.

4. What type of sentence is the following: 'If it rains tomorrow, the picnic will be canceled'?

• A. Simple
• B. Compound
• C. Complex
• D. Compound-complex

Correct answer: C

Rationale: The given sentence, 'If it rains tomorrow, the picnic will be canceled,' is a complex sentence. It consists of an independent clause 'the picnic will be canceled' and a dependent clause 'If it rains tomorrow.' A simple sentence contains just one independent clause, a compound sentence contains two or more independent clauses, and a compound-complex sentence contains two or more independent clauses and at least one dependent clause. Therefore, choices A, B, and D are incorrect for this sentence.

5. What type of bond holds water molecules together?

• A. Covalent bond
• B. Hydrogen bond
• C. Ionic bond
• D. Peptide bond

Correct answer: B

Rationale: The correct answer is B: Hydrogen bond. Hydrogen bonds are responsible for holding water molecules together. In a water molecule, the oxygen atom is slightly negative, and the hydrogen atoms are slightly positive, creating a partial positive and negative charge. This polarity allows hydrogen bonds to form between adjacent water molecules. Covalent bonds involve the sharing of electrons, ionic bonds involve transfer of electrons between ions, and peptide bonds are specific to linking amino acids in proteins, which are not relevant to water molecule interactions.

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