Nursing Elites

1. What is the term for the process of breaking a large molecule into smaller fragments by applying heat?

• A. Polymerization
• B. Hydrogenation
• C. Isomerization
• D. Pyrolysis

Correct answer: D

Rationale: Pyrolysis is the process of breaking down large molecules into smaller fragments by applying heat. The other choices involve different chemical processes.

2. How can the periodic table be used to predict the charge of an ion formed by an element?

• A. Look for elements with similar atomic weights.
• B. Identify the group number, which corresponds to the typical ionic charge.
• C. Calculate the difference between protons and electrons.
• D. Analyze the element's position within the period.

Correct answer: B

Rationale: Identify the group number, which corresponds to the typical ionic charge. Elements tend to gain or lose electrons to achieve a stable electron configuration like the noble gas group. Their group number often indicates the number of electrons gained/lost and the resulting ionic charge.

3. What is the main function of transition words and phrases in writing?

• A. To add unnecessary embellishments and fluff.
• B. To emphasize specific words or phrases in the text.
• C. To connect ideas smoothly and guide the reader's flow.
• D. To introduce opposing viewpoints and counterarguments.

Correct answer: C

Rationale: Transition words and phrases bridge ideas, create logical flow, and enhance the coherence of your writing.

4. When is work done by a force on an object?

• A. Only when the object moves in the direction of the force
• B. Only when the object moves against the force
• C. Only when the object moves vertically
• D. Only when the force is applied for a specific duration

Correct answer: A

Rationale: Work is done by a force on an object when the object moves in the direction of the force. If the object moves perpendicular to the force, no work is done, as the force does not contribute to the displacement of the object. Similarly, if the object moves against the force, work is done because the force is causing the displacement. The vertical movement of the object does not determine whether work is done; it is the direction of the force relative to the object's displacement that matters. The duration of the force application does not affect whether work is done; as long as the force causes the object to move in its direction, work is being done.

5. Which property of a substance refers to its ability to be hammered or pressed into thin sheets without breaking?

• A. Malleability
• B. Ductility
• C. Viscosity
• D. Conductivity

Correct answer: a

Rationale: Malleability is the property that describes a substance's ability to be hammered or pressed into thin sheets without breaking.

6. Identify the article in the following sentence: The delicious cake was enjoyed by everyone at the party.

• A. cake
• B. was
• C. the
• D. enjoyed

Correct answer: C

Rationale: : Articles ("a," "an," and "the") indicate specificity of a noun. "The" specifies that there is one particular cake being discussed.

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