A nurse is teaching the parents of a newborn about the critical congenital heart disease screening.
Which of the following statements should the nurse include in the teaching?
The test will be performed when your newborn is between 6 and 12 hours of age.
It will take 1 to 2 weeks to obtain the results of your newborn's test.
The test compares the oxygen saturation in your newborn's upper and lower extremities.
To perform the test, I will collect a blood sample from your newborn's heel.
The Correct Answer is C
Choice A rationale
The critical congenital heart disease (CCHD) screening is typically performed when the newborn is between 24 and 48 hours of age, or just prior to discharge if that occurs earlier. Performing the test too early, such as between 6 and 12 hours, might yield false negative results due to the persistence of transitional circulation.
Choice B rationale
The results of the CCHD screening are typically available immediately, or within a few minutes, as it involves pulse oximetry readings. There is no waiting period of 1 to 2 weeks for the results, allowing for prompt identification and management of potential cardiac defects, preventing delays in care.
Choice C rationale
The CCHD screening specifically compares the oxygen saturation in the newborn's right hand (pre-ductal) and either foot (post-ductal). A significant difference between these two readings can indicate a shunt or obstruction within the heart or great vessels, suggesting a potential critical congenital heart defect.
Choice D rationale
Collecting a blood sample from the newborn's heel is the procedure for the newborn metabolic screening, which screens for various genetic and metabolic disorders, not the critical congenital heart disease screening. The CCHD screening is a non-invasive test performed using pulse oximetry.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Immediately bathing a newborn with herpes simplex virus is generally discouraged. While it might seem intuitive for infection control, vigorous bathing could theoretically disrupt skin integrity and potentially spread the virus to other areas of the body or mucous membranes, exacerbating the infection.
Choice B rationale
Initiating contact precautions is essential for a newborn with herpes simplex virus. This highly contagious viral infection requires strict measures to prevent transmission to other vulnerable neonates and healthcare providers. Contact precautions involve gown and glove use, limiting direct contact with the newborn or contaminated surfaces.
Choice C rationale
Administering ampicillin IV is not the appropriate treatment for herpes simplex virus. Ampicillin is an antibiotic effective against bacterial infections, not viral infections like herpes simplex. Antiviral medications, such as acyclovir, are the specific treatment for neonatal herpes simplex virus to inhibit viral replication.
Choice D rationale
Withholding breastfeeding is not typically indicated for a newborn with in utero transmitted herpes simplex virus unless the mother has active lesions on her breasts. The primary concern is direct skin-to-skin transmission if lesions are present. Breast milk itself provides beneficial antibodies and is not a route of transmission for in utero infection.
Correct Answer is D
Explanation
A. The bladder is distended upon palpation: A distended bladder suggests urinary retention, not effective voiding. This may impair uterine contraction and increase the risk of hemorrhage.
B. The uterine fundus is 2 cm above the umbilicus: A high-rising fundus may indicate a full bladder that is displacing the uterus, often due to incomplete voiding.
C. The client does not feel the urge to urinate: Lack of urge may indicate altered bladder sensation, a potential complication after catheter removal and childbirth.
D. The client urinates 30 mL/hr: Urine output of ≥30 mL/hr is considered adequate and reflects effective voiding and kidney function, especially in the postpartum period.
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