Nursing Elites

1. What is the primary function of surfactant in the lungs?

• A. Reduce surface tension
• B. Enhance oxygen absorption
• C. Facilitate carbon dioxide release
• D. Increase lung volume

Correct answer: A

Rationale: The primary function of surfactant in the lungs is to reduce surface tension in the alveoli. This reduction in surface tension prevents lung collapse and allows for easier breathing. It is particularly crucial in premature infants to help with lung expansion. Choice B is incorrect because surfactant primarily affects surface tension, not oxygen absorption. Choice C is incorrect because surfactant's main role is not in facilitating carbon dioxide release. Choice D is incorrect because surfactant does not directly increase lung volume; its main role is in reducing surface tension.

2. What is the most common genetic cause of intellectual disability?

• A. Down syndrome
• B. Fragile X syndrome
• C. Prader-Willi syndrome
• D. Turner syndrome

Correct answer: B

Rationale: The correct answer is Fragile X syndrome because it is the most common inherited cause of intellectual disability, resulting from a mutation in the FMR1 gene. Down syndrome, Prader-Willi syndrome, and Turner syndrome are not the most common genetic causes of intellectual disability. Down syndrome is caused by the presence of an extra chromosome 21, Prader-Willi syndrome results from specific genetic abnormalities on chromosome 15, and Turner syndrome is characterized by the absence of part or all of one of the X chromosomes.

3. Which vitamin deficiency is most associated with night blindness?

• A. Vitamin A
• B. Vitamin B12
• C. Vitamin C
• D. Vitamin D

Correct answer: A

Rationale: The correct answer is Vitamin A. Vitamin A deficiency leads to night blindness because this vitamin is crucial for the formation of rhodopsin, a photopigment in the retina. Rhodopsin is essential for vision in low-light conditions. Vitamin B12 deficiency can lead to anemia and neurological issues but is not directly related to night blindness. Vitamin C deficiency can cause scurvy, affecting connective tissues, but not night vision. Vitamin D deficiency can lead to bone disorders but is not primarily associated with night blindness.

4. During a fire incident in a long-term care facility's kitchen, which task is most crucial for the PN to perform instead of delegating to UAP?

• A. Close the doors to all residents' rooms
• B. Offer comfort and reassurance to each resident
• C. Identify the method for transporting and evacuating each resident
• D. Provide blankets to each resident for use during evacuation

Correct answer: C

Rationale: During a fire emergency, the most critical task for the PN is to identify the method for transporting and evacuating each resident. This task ensures a safe and organized evacuation plan, which is essential for everyone's safety. Delegating this responsibility to an unlicensed assistive personnel (UAP) may lead to errors or delays in the evacuation process. Closing doors to residents' rooms (Choice A) can help contain the fire but is not as urgent as planning the evacuation. While offering comfort and reassurance (Choice B) is important, it should not take precedence over ensuring a safe evacuation. Providing blankets (Choice D) is helpful but does not directly address the primary concern of safely evacuating residents.

5. The nurse observes a UAP performing oral hygiene on an unconscious client who is lying in a flat side-lying position with an emesis basin on a towel under the chin. Which action should the nurse take?

• A. Stop the procedure and tell the UAP to place the client in a Fowler's position
• B. Praise the UAP for doing the oral hygiene but encourage family participation
• C. Tell the UAP to continue because the unconscious client is positioned safely
• D. Enroll the UAP in a hospital education class on conducting safe client care

Correct answer: C

Rationale: The correct answer is to tell the UAP to continue because the unconscious client is positioned safely for oral care. Placing an unconscious client in a side-lying position helps prevent aspiration, and having an emesis basin under the chin is appropriate to catch any fluids. Therefore, the nurse should acknowledge that the UAP is performing the procedure correctly. Choices A, B, and D are incorrect. Placing the client in a Fowler's position is not necessary for this procedure as the client is already positioned safely. Praise and encouragement for family participation are important aspects but not the immediate action needed in this scenario. Enrolling the UAP in a hospital education class is not warranted as the current procedure is being performed correctly.

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