NCLEX-RN
NCLEX RN Exam Preview Answers
1. When examining an infant, which area should the nurse examine first?
- A. Ear
- B. Nose
- C. Throat
- D. Abdomen
Correct answer: D
Rationale: When examining an infant, the nurse should start by examining the least-distressing areas first before moving on to more invasive areas. The abdomen is typically the least distressing area to examine, so it should be assessed first. Examining the eye, ear, nose, and throat are considered more invasive and should be saved for last. Therefore, the correct choice is to examine the abdomen first to ensure a comfortable and less distressing examination process for the infant. Choices A, B, and C (Ear, Nose, Throat) are more invasive areas and should be examined after the abdomen.
2. Which is the most effective action for controlling the spread of infection?
- A. Thorough hand hygiene
- B. Wearing gloves and masks when providing direct client care
- C. Implementing appropriate isolation precautions
- D. Administering broad-spectrum prophylactic antibiotics
Correct answer: A
Rationale: Thorough hand hygiene is the most effective action for controlling the spread of infection as hands are a common source of transmission. Regular and routine hand hygiene helps prevent the movement of potentially infective materials. Wearing gloves and masks is important when providing direct client care to protect both the caregiver and the patient, but it is not as effective as thorough hand hygiene in preventing overall infection spread. Implementing appropriate isolation precautions is necessary for clients with known communicable diseases, but it is not as universally effective in preventing the spread of various infections. Administering broad-spectrum prophylactic antibiotics is not an appropriate measure for controlling the spread of infection as routine use can lead to superinfection and the development of resistant organisms.
3. When performing CPR, at what rate should chest compressions be applied?
- A. 100 per minute
- B. 60 per minute
- C. As quickly as possible
- D. 200 per minute
Correct answer: A
Rationale: During CPR, chest compressions should be applied at a rate of 100 compressions per minute in order to effectively circulate blood and oxygen to vital organs. Option A, '100 per minute,' is the correct answer as it aligns with the recommended compression rate in CPR guidelines. Option B, '60 per minute,' is incorrect as it is too slow and may not provide adequate circulation. Option C, 'As quickly as possible,' is vague and does not specify the recommended compression rate. Option D, '200 per minute,' is incorrect as it exceeds the recommended rate and may not be as effective in maintaining perfusion.
4. A nurse is caring for newborn infants in a nursery when a man enters the area to take his baby back to the room. The man does not have an identification bracelet, and the nurse does not recognize him. What is the next action of the nurse?
- A. Call security and ask them to escort the man out of the nursery
- B. Ask the man to wait and check the infant's chart
- C. Ask the man to return to his room and bring an identification band
- D. Allow the man to take the baby to his room
Correct answer: C
Rationale: The safety of infants in newborn nurseries is maintained by requiring parents to wear identification bracelets to identify themselves as the rightful parents. This practice minimizes the risk of mistakenly allowing an unauthorized individual to take a baby. In this scenario, since the nurse does not recognize the man and he lacks an identification bracelet, the appropriate action is to ask him to return to his room and bring the identification band. This step ensures the proper identity verification before allowing the man to take the baby. Calling security without first verifying the man's identity may escalate the situation unnecessarily. Checking the infant's chart alone does not confirm the man's identity. Allowing the man to take the baby without proper verification poses a safety risk to the infant.
5. What type of blood pressure measurement error is most likely to occur if the nurse does not check for the presence of an auscultatory gap?
- A. Diastolic blood pressure may not be heard.
- B. Diastolic blood pressure may be falsely low.
- C. Systolic blood pressure may be falsely low.
- D. Systolic blood pressure may be falsely high.
Correct answer: C
Rationale: If an auscultatory gap is undetected, a falsely low systolic reading may occur. This gap can lead to an underestimation of the systolic blood pressure, causing potential misinterpretation of the patient's condition. The diastolic blood pressure may not be heard due to the gap, but the critical issue in this scenario is the risk of underestimating systolic blood pressure, which can impact clinical decision-making. Choices B, C, and D are incorrect because the key concern in this context is the potential for a falsely low systolic blood pressure reading when an auscultatory gap is not assessed.
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