NCLEX-PN
NCLEX PN Exam Cram
1. A healthcare professional is reviewing a patient's ECG report. The patient exhibits a flat T wave, depressed ST segment, and short QT interval. Which of the following medications can cause all of the above effects?
- A. Morphine
- B. Atropine
- C. Procardia
- D. Digitalis
Correct answer: D
Rationale: The correct answer is Digitalis. Digitalis is known to cause a flat T wave, depressed ST segment, and a short QT interval on an ECG report. These ECG changes are characteristic of digitalis toxicity. Morphine is not typically associated with these ECG changes. Atropine is more commonly linked to increasing heart rate rather than causing these specific ECG abnormalities. Procardia is a calcium channel blocker that does not typically produce the described ECG findings. Therefore, Digitalis is the most likely medication causing these effects in the patient.
2. A woman is in the active phase of labor. An external monitor has been applied, and a fetal heart deceleration of uniform shape is observed, beginning just as the contraction is underway and returning to the baseline at the end of the contraction. Which of the following nursing actions is most appropriate?
- A. Administer O2.
- B. Turn the client on her left side.
- C. Notify the physician.
- D. No action is necessary
Correct answer: D
Rationale: This scenario describes early deceleration due to head compression, which is a benign finding in labor. Early decelerations mirror the contractions and do not require any intervention as they are considered a normal response to fetal head compression. The fetal heart rate returns to baseline at the end of the contraction. In this case, the correct action is no action at the moment. Close monitoring of the mother and baby is essential, but immediate intervention is not required. Administering O2 (Choice A) or turning the client on her left side (Choice B) is not indicated for early decelerations. Notifying the physician (Choice C) is unnecessary for this type of deceleration.
3. A nurse working in a pediatric clinic observes the following situations. Which of the following may indicate a delayed child to the nurse?
- A. A 12-month-old that does not 'cruise'.
- B. An 8-month-old that can sit upright unsupported.
- C. A 6-month-old that is rolling prone to supine.
- D. A 3-month-old that does not roll supine to prone.
Correct answer: A
Rationale: The correct answer is 'A 12-month-old that does not 'cruise''. At 12 months, a child should at least be 'cruising' (holding on to objects to walk), which is considered pre-walking. The other choices describe age-appropriate developmental milestones: sitting upright unsupported by 8 months, rolling prone to supine by 6 months, and rolling supine to prone by 3 months. Not 'cruising' at 12 months may indicate a delay in motor skills development.
4. A healthcare provider is caring for a patient who has experienced burns to the right lower extremity. According to the Rule of Nines, which of the following percentages most accurately describes the severity of the injury?
- A. 36%
- B. 27%
- C. 18%
- D. 9%
Correct answer: C
Rationale: According to the Rule of Nines, the right lower extremity accounts for 18% of the total body surface area. The Rule of Nines divides the body into regions, each representing 9% or a multiple of 9%, allowing for a quick estimation of the extent of burns. In this case, the correct answer is 18% as it corresponds to the percentage allocated for each lower extremity. Choices A, B, and D are incorrect as they do not match the standard allocation for the right lower extremity in the Rule of Nines.
5. A client has a 10% dextrose in water IV solution running. He is scheduled to receive his antiepileptic drug, phenytoin (Dilantin), at this time. The nurse knows that the phenytoin:
- A. is given after the D10W is finished.
- B. should be given at the time it is due in the medication port closest to the client.
- C. can be piggybacked into the D10W solution now.
- D. is incompatible with dextrose solutions.
Correct answer: D
Rationale: Phenytoin is incompatible with dextrose solutions as they will precipitate when mixed together. Therefore, it should not be piggybacked into the D10W solution or given through the same port. Instead, normal saline should be used to flush before and after administering phenytoin to prevent any interaction with the dextrose solution. Delaying the administration of an antiepileptic drug like phenytoin to maintain therapeutic blood levels is not recommended, so it should not be given after the D10W is finished or based on the medication port closest to the client. Choice A is incorrect because administering phenytoin after the D10W is finished is not the correct approach due to the incompatibility with dextrose solutions. Choice B is incorrect as the timing of phenytoin administration should not be based on the medication port closest to the client but on compatibility considerations. Choice C is incorrect as piggybacking phenytoin into the D10W solution is not advisable due to the incompatibility issue.
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