Nursing Elites

1. Fat emulsions are frequently administered as a part of total parenteral nutrition. Which statement is true regarding fat emulsions?

• A. They have a high energy-to-fluid-volume ratio.
• B. Even though hypertonic, they are well tolerated.
• C. They are a basic solution due to the addition of sodium hydroxide (NaOH).
• D. The pH is alkaline, making them compatible with most medications.

Correct answer: A

Rationale: The correct statement is that fat emulsions have a high energy-to-fluid-volume ratio. Fat emulsions are formulated in 10%, 20%, and 30% solutions and supply 1.1, 2, and 3 kilocalories, respectively, for each milliliter. In comparison, a milliliter of 5% dextrose only supplies 0.17 kilocalories. Choices B, C, and D are incorrect. Choice B is false because fat emulsions are essentially pH neutral and isotonic, not hypertonic. Choice C is incorrect because fat emulsions are not basic solutions; they are essentially pH neutral. Choice D is incorrect as fat emulsions are not alkaline; they are pH neutral, making them compatible with most medications.

2. The nurse is caring for a client with cerebral palsy. The nurse should provide frequent rest periods because:

• A. Grimacing and writhing movements decrease with relaxation and rest.
• B. Hypoactive deep tendon reflexes become more active with rest.
• C. Stretch reflexes are increased with rest.
• D. Fine motor movements are improved.

Correct answer: A

Rationale: Frequent rest periods help to relax tense muscles and preserve energy in clients with cerebral palsy. This can lead to a decrease in grimacing and writhing movements, as relaxation and rest help to alleviate muscle tension. Choices B, C, and D are incorrect because they provide inaccurate information. Hypoactive deep tendon reflexes do not become more active with rest; stretch reflexes are not increased with rest in cerebral palsy patients, and fine motor movements are not necessarily improved solely by rest.

3. A twenty-one-year-old man suffered a concussion, and the MD ordered an MRI. The patient asks, 'Will they allow me to sit up during the MRI?' The correct response by the nurse should be:

• A. "I will have to talk to the doctor about letting you sit upright during the test."?
• B. "You will be positioned in the reverse Trendelenburg position to maximize the view of the brain."?
• C. "The radiologist will let you know."?
• D. "You will have to lie down on your back during the test."?

Correct answer: D

Rationale: The correct answer is to inform the patient that they will have to lie down on their back during the MRI. This positioning is necessary for the scan to obtain accurate images of the brain. Choice A is incorrect because the decision on the positioning during the MRI is typically determined by the imaging protocol and not subject to negotiation during the test. Choice B is incorrect as the reverse Trendelenburg position is not commonly used during MRI scans. Choice C is incorrect because the radiologist does not usually make decisions on patient positioning during the MRI; it is predetermined by the imaging requirements.

4. A nurse is teaching the mother of an 11-month-old infant how to clean the infant's teeth. The nurse tells the mother to take which action?

• A. Use a small amount of toothpaste and a soft-bristle toothbrush
• B. Use water and a cotton swab and rub the teeth
• C. Use diluted fluoride and rub the teeth with a soft washcloth
• D. Dip the infant's pacifier in maple syrup so that the infant will suck

Correct answer: C

Rationale: The correct action when cleaning an infant's teeth is to use water and a cotton swab to gently rub the teeth. This method helps in removing any food particles or plaque buildup without the risks associated with toothpaste ingestion. Using a small amount of toothpaste and a soft-bristle toothbrush is not recommended for infants as they may swallow the toothpaste, leading to potential fluoride ingestion issues. Using diluted fluoride and rubbing the teeth with a soft washcloth is unnecessary at this age since infants typically receive fluoride through other sources like formula. Dipping the infant's pacifier in maple syrup is highly inappropriate and poses a significant risk of tooth decay due to the high sugar content, which can harm the infant's teeth.

5. A 24-year-old female client is scheduled for surgery in the morning. What is the primary responsibility of the nurse?

• A. Taking the vital signs
• B. Obtaining the permit
• C. Explaining the procedure
• D. Checking the lab work

Correct answer: A

Rationale: The primary responsibility of the nurse is to take the vital signs before any surgery. This action helps assess the client's baseline condition and identify any abnormalities that need addressing before the procedure. Obtaining the permit (choice B) is typically handled by administrative staff, explaining the procedure (choice C) is usually done by the healthcare provider performing the surgery, and checking the lab work (choice D) is often part of the pre-operative assessment conducted by the healthcare provider. Therefore, in this context, these actions are not the primary responsibility of the nurse.

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