Nursing Elites

1. Which physiologic mechanism best describes the function of the sodium-potassium pump?

• A. active transport
• B. diffusion
• C. filtration
• D. osmosis

Correct answer: A

Rationale: Active transport is the correct answer as it accurately describes the process involved in the sodium-potassium pump. The pump utilizes energy to move ions against their concentration gradient, maintaining cellular concentrations. Diffusion (choice B) is a passive process where substances move from an area of higher concentration to lower concentration. Filtration (choice C) involves the movement of solutes based on pressure gradients. Osmosis (choice D) is the movement of water across a semipermeable membrane.

2. A 15-year-old high school wrestler has been taking diuretics to lose weight to compete in a lower weight class. Which of the following medical tests is most likely to be given?

• A. Lab values of Potassium and Sodium
• B. Lab values of Glucose and Hemoglobin
• C. ECG
• D. CT scan

Correct answer: A

Rationale: Diuretics can disrupt the sodium and potassium balance, potentially leading to cardiac complications. Monitoring the lab values of potassium and sodium is crucial to assess electrolyte imbalances due to diuretic use. Testing glucose and hemoglobin levels is not directly related to diuretic use in this context. An ECG would be indicated if there were signs or symptoms of cardiac abnormalities, but it is not the primary test to monitor the effects of diuretics. A CT scan is not typically used to assess electrolyte imbalances caused by diuretics.

3. When teaching about preventable diseases, the importance of getting the following vaccines should be emphasized:

• A. human papillomavirus, genital herpes, measles.
• B. pneumonia, HIV, mumps.
• C. syphilis, gonorrhea, pneumonia.
• D. polio, pertussis, measles

Correct answer: D

Rationale: Vaccines are crucial in preventing communicable diseases. Smallpox has been eradicated globally, so its vaccine is no longer used. Polio, pertussis, and measles are diseases that are controlled by routine childhood immunization. While smallpox has been eradicated, these diseases still exist, making it essential for children to be vaccinated against them. Choices A, B, and C include diseases that are not prevented by vaccination or are not related to routine immunizations, making them incorrect choices.

4. While performing wound care to a donor skin graft site, the nurse notes some scabbing at the edges and a black collection of blood. What is the nurse's next action?

• A. Leave the scabbed area alone and apply extra ointment
• B. Notify the physician
• C. Gently remove the debris and re-dress the wound
• D. Apply skin softening lotion for 3 hours and then re-dress

Correct answer: C

Rationale: When the nurse notes scabbing at the edges and a black collection of blood, it indicates the presence of debris that needs to be addressed. Leaving the scabbed area alone and applying extra ointment may not address the underlying issue and could lead to complications. Notifying the physician is important in some cases, but immediate action is required to prevent infection in this situation. Gently removing the debris and re-dressing the wound is the correct course of action to promote healing and prevent complications.

5. A newborn baby exhibits a reflex that includes hand opening, abducted, and extended extremities following a jarring motion. Which of the following correctly identifies the reflex?

• A. ATNR reflex
• B. Startle reflex
• C. Grasping reflex
• D. Moro reflex

Correct answer: D

Rationale: The Moro reflex, also known as the startle reflex, is the correct answer. This reflex is characterized by the baby's response to a sudden head movement or loud noise, causing them to open their hands, extend their arms, and then bring them back towards their body. The characteristics mentioned in the question - hand opening, abducted, and extended extremities following a jarring motion - align with the Moro reflex. The asymmetrical tonic neck reflex (ATNR) involves the head turning to one side with extension of the same side's arm and leg, not the described characteristics. The grasping reflex involves the baby's response to touch on the palm, causing them to grasp an object. While the Moro reflex is often referred to as the startle reflex due to its response to sudden stimuli, the specific characteristics described in the question match the Moro reflex.

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