Which infant would be more likely to have Rh incompatibility?
Infant of an Rh-negative mother and a father who is Rh-positive and homozygous for the Rh factor.
Infant who is Rh negative and whose mother is Rh negative.
Infant of an Rh-negative mother and a father who is Rh-positive and heterozygous for the Rh factor.
Infant who is Rh positive and whose mother is Rh positive.
The Correct Answer is A
choice A.
Infant of an Rh-negative mother and a father who is Rh-positive and homozygous for the Rh factor.
Rh incompatibility occurs when a woman is Rh-negative and her baby is Rh-positive. This can cause hemolytic disease of the neonate (HDN), a condition where the mother’s antibodies destroy the baby’s red blood cells.
Choice B is wrong because if both the mother and the baby are Rh-negative, there is no risk of Rh incompatibility.
Choice C is wrong because if the father is heterozygous for the Rh factor, there is a 50% chance that the baby will be Rh-negative and not affected by Rh incompatibility.
Choice D is wrong because if both the mother and the baby are Rh-positive, there is no risk of Rh incompatibility.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is E
Explanation
The presence or absence of anxiety is a noninvasive assessment that the RN would perform to evaluate the patient’s psychological status and possible signs of hypovolemic shock.
Anxiety can indicate reduced cerebral perfusion due to blood loss and low blood pressure.
Choice A is wrong because pulse oximetry is a noninvasive assessment that the RN would perform to measure the oxygen saturation of the patient’s blood, not the circulatory status.
Choice B is wrong because heart sounds are a noninvasive assessment that the RN would perform to auscultate the cardiac rhythm and rate of the patient, not the circulatory status.
Choice C is wrong because arterial pulses are a noninvasive assessment that the RN would perform to palpate the strength and quality of the patient’s peripheral pulses, not the circulatory status.
Choice D is wrong because skin color, temperature, and turgor are noninvasive assessments that the RN would perform to observe the skin integrity and hydration of the patient, not the circulatory status.
Normal ranges for pulse oximetry are 95% to 100%, for heart rate are 60 to 100 beats per minute, and for blood pressure are 120/80 mmHg.
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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