The practical nurse (PN) is caring for an infant with ambiguous genitalia and congenital adrenal hyperplasia.
Which intervention should the PN prioritize?
Monitor serum electrolytes.
Check for hypothermia.
Assess for urinary tract infection.
Record daily weights.
The Correct Answer is A
Choice A rationale
Monitoring serum electrolytes is the top priority for an infant with congenital adrenal hyperplasia (CAH). This condition involves an enzymatic defect that impairs cortisol and aldosterone synthesis, leading to salt wasting due to insufficient aldosterone. This can cause life-threatening hyponatremia and hyperkalemia, requiring urgent intervention. Normal ranges are typically sodium 135-145 mEq/L and potassium 3.5-5.0 mEq/L.
Choice B rationale
Checking for hypothermia is important for any neonate or infant, as they have immature thermoregulation. While a general nursing intervention, it is not the most specific or life-threatening concern directly related to the pathophysiology of congenital adrenal hyperplasia, which primarily involves electrolyte imbalances.
Choice C rationale
Assessing for urinary tract infection is a relevant general health assessment, especially in infants with ambiguous genitalia, due to potential anatomical variations. However, while important for overall health, it does not address the immediate, life-threatening metabolic derangements associated with congenital adrenal hyperplasia.
Choice D rationale
Recording daily weights is crucial for assessing fluid balance in infants, particularly those at risk for dehydration or fluid retention. While important for monitoring overall health and fluid status, it is secondary to the critical need to monitor and correct acute electrolyte imbalances that can rapidly become life-threatening in CAH.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Assessing elimination hygiene habits is important for preventing recurrent UTIs, but it does not directly address the immediate goal of minimizing complications of vesicoureteral reflux (VUR) in an acute febrile UTI. While good hygiene reduces bacterial entry, VUR involves retrograde urine flow.
Choice B rationale
Completing post-void bladder scans helps assess bladder emptying and residual urine, which are risk factors for UTIs. However, in the context of VUR and a febrile UTI, it's a diagnostic tool rather than a primary intervention to actively minimize the reflux itself during the infection.
Choice C rationale
Implementing a frequent voiding schedule minimizes the volume of urine in the bladder and reduces the duration of bladder distention. This decreases the likelihood of vesicoureteral reflux and helps to flush out bacteria, thus minimizing the risk of renal parenchymal damage during a febrile UTI.
Choice D rationale
Encouraging adequate oral fluid intake helps flush bacteria from the urinary tract and prevents dehydration, which is beneficial for overall health and UTI management. However, while important, it does not directly impact the mechanics of vesicoureteral reflux as effectively as frequent bladder emptying.
Correct Answer is A
Explanation
Choice A rationale
Applying a cold pack to the perineum after a vaginal delivery effectively reduces localized edema and inflammation. Cold therapy causes vasoconstriction, which decreases blood flow to the area, thereby minimizing fluid extravasation into the interstitial spaces and reducing swelling of the episiotomy site.
Choice B rationale
While cold packs do provide a degree of comfort by numbing nerve endings and reducing pain signals, their primary physiological benefit in the postpartum period is the reduction of swelling and inflammation, which indirectly contributes to comfort. Comfort is a secondary effect.
Choice C rationale
The statement is incorrect. Cold therapy is a recognized and effective intervention postpartum. While it may help reduce bruising by limiting subcutaneous bleeding, its most significant and immediate benefit relates to the reduction of swelling and pain.
Choice D rationale
While cold can induce vasoconstriction and thus potentially reduce bleeding, it is not the primary or most effective method for controlling significant postpartum hemorrhage. Fundal massage and uterotonics are the primary interventions for controlling postpartum bleeding.
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