Nursing Elites

1. Micturition involves a combination of:

• A. Gravity alone
• B. Voluntary muscle contractions only
• C. Involuntary muscle contractions only
• D. Both voluntary and involuntary muscle contractions

Correct answer: D

Rationale: The correct answer is D: 'Both voluntary and involuntary muscle contractions.' Micturition, also known as urination, is a complex process involving both voluntary and involuntary muscle contractions. The voluntary muscle contractions allow us to control when we urinate, while the involuntary muscle contractions help to expel urine from the bladder. Gravity alone (option A) is not sufficient for micturition, as muscle contractions are necessary to empty the bladder. Similarly, relying on voluntary muscle contractions only (option B) would not be effective, as involuntary contractions are also needed to fully empty the bladder. Lastly, option C stating 'Involuntary muscle contractions only' is incorrect because voluntary muscle contractions play a crucial role in micturition. Therefore, option D is the most comprehensive and accurate choice.

2. When proofreading your writing, focus on:

• A. Changing the wording to sound more original.
• B. Ignoring minor grammatical errors like typos.
• C. Checking for clarity, consistency, and overall flow.
• D. Replacing common words with thesaurus alternatives.

Correct answer: C

Rationale: Proofreading involves correcting errors, refining sentence structure, and ensuring the writing achieves its purpose, clarity, and consistency.

3. Lymphedema, a chronic condition, occurs when:

• A. Lymph nodes become inflamed
• B. Lymph vessels become blocked
• C. The spleen malfunctions
• D. Bone marrow production decreases

Correct answer: B

Rationale: The correct answer is B: "Lymph vessels become blocked." Lymphedema is a chronic condition characterized by swelling due to the accumulation of lymph fluid. This occurs when lymph vessels become blocked, preventing the proper drainage of lymph fluid. Inflammation of lymph nodes (option A) is not the direct cause of lymphedema. The spleen malfunctioning (option C) and bone marrow production decreasing (option D) are not directly related to the development of lymphedema. Understanding the blockage of lymph vessels is crucial in comprehending the pathophysiology of lymphedema.

4. Which element is a good conductor of electricity but is not a metal?

• A. Copper
• B. Silver
• C. Graphite
• D. Gold

Correct answer: C

Rationale: While metals are known for their conductivity, some non-metals like graphite also exhibit this property due to their unique electronic structure

5. The doctor carefully examined the patient. Which word is the comparative form of the adjective "careful"?

• A. careful
• B. carelessly
• C. more careful
• D. most careful

Correct answer: C

Rationale: The comparative form of an adjective compares two things.

6. Which type of orbital can hold a maximum of 10 electrons?

• A. s orbital
• B. p orbital
• C. d orbital
• D. f orbital

Correct answer: D

Rationale: Each f orbital can hold up to 2 electrons, and there are 5 f orbitals, totaling a maximum of 10 electrons.

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