The nurse assessing a premature newborn infant auscultates a continuous machinery-like murmur.
This finding is associated with which congenital heart defect?
Pulmonary stenosis
Patent ductus arteriosus
Ventricular septal defect
Coarctation of the aorta
The Correct Answer is B
This is because a patent ductus arteriosus is a congenital heart defect that involves a defect in which the fetal shunt between the aorta and the pulmonary artery fails to close. This causes a continuous machinery-like murmur that can be heard on auscultation.
Choice A is wrong because pulmonary stenosis is a narrowing of the pulmonary valve or artery that obstructs blood flow to the lungs. It causes a systolic ejection murmur that is best heard at the upper left sternal border.
Choice C is wrong because the ventricular septal defect is a hole in the wall between the ventricles that allows blood to flow from the left to the right side of the heart. It causes a loud, harsh holosystolic murmur that is best heard at the left lower sternal border.
Choice D is wrong because coarctation of the aorta is a narrowing of the aorta that reduces blood flow to the lower body. It causes a systolic murmur that radiates to the back and weak or absent femoral pulses.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D","E","F"]
Explanation
A health history is a holistic assessment of all factors affecting a patient’s health status, including information about social, cultural, familial, and economic aspects of the patient’s life as well as any other component of the patient’s life style that affects health and well-being.
Choice B is wrong because physical assessment is not part of the health history, but a separate process of examining the patient’s body systems.
Choice A is correct because review of systems is a systematic method of collecting data on all body systems.
Choice C is correct because sexual history is an important aspect of the patient’s health that may affect their risk for sexually transmitted infections, reproductive health, and psychosocial well-being.
Choice D is correct because height, weight, BMI data are part of the biographical data that provide a baseline for comparing the patient’s characteristics to established norms for physical and emotional health.
Choice E is correct because diet and nutritional intake are relevant factors that influence the patient’s health status and may indicate potential problems such as malnutrition, obesity, or eating disorders.
Choice F is correct because family medical history provides information about the patient’s genetic risk for certain diseases and conditions that may affect their current or future health.
Correct Answer is D
Explanation
choice D. Monitor blood glucose levels frequently and observe closely for signs of hypoglycemia. This is because a macrosomic infant (a newborn who’s much larger than average) is at risk of developing low blood sugar levels after birth, especially if the mother has diabetes. Hypoglycemia can cause neurological damage in the newborn, so it is important to detect and treat it promptly.
Choice A is wrong because leaving the infant in the room with the mother without monitoring the blood glucose levels may miss signs of hypoglycemia and delay treatment.
Choice B is wrong because taking the infant immediately to the nursery may separate the infant from the mother and interfere with breastfeeding, which can help prevent hypoglycemia.
Choice C is wrong because performing a gestational age assessment to determine whether the infant is large for gestational age is not urgent and does not address the risk of hypoglycemia.
Normal ranges for blood glucose levels in term infants are 2.6 mmol/L or higher at any time. A blood glucose level of 2.5 mmol/L or less is considered hypoglycemic.
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