A mother is Rh-negative, and her fetus is Rh-positive. She delivered her first Rh-positive baby without receiving Rho(D) immune globulin. Which complication may occur in a future pregnancy if sensitization has occurred?
Neonatal hypoglycemia
Miscarriage
Fetal macrosomia
Placenta previa
The Correct Answer is B
A. Hypoglycemia in newborns is generally caused by maternal diabetes, preterm birth, intrauterine growth restriction, or perinatal stress. It occurs because the newborn produces excess insulin or has limited glycogen stores. Rh sensitization does not affect glucose metabolism, so neonatal hypoglycemia is unrelated to maternal Rh status.
B. If an Rh-negative mother becomes sensitized after delivering an Rh-positive infant without receiving Rho(D) immune globulin, she can form anti-Rh antibodies. In a future pregnancy with an Rh-positive fetus, these antibodies can cross the placenta and destroy fetal red blood cells, causing hemolytic disease of the newborn (HDN). Severe HDN may lead to fetal anemia, hydrops fetalis, or miscarriage/stillbirth if left untreated.
C. Macrosomia, defined as birth weight >4,000–4,500 g, is typically associated with maternal diabetes, maternal obesity, or genetic predisposition. Rh incompatibility does not influence fetal growth or increase the risk of macrosomia, so it is not a concern in sensitized mothers.
D. Placenta previa occurs when the placenta partially or completely covers the cervical os, which can cause bleeding during pregnancy. Its risk factors include previous cesarean delivery, uterine surgery, multiple gestations, or advanced maternal age, but Rh sensitization has no effect on placental location, so it is unrelated.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Tonsils are part of the lymphatic system, which is most active in early childhood to help the body respond to infections and build immunity. It is common for tonsils to appear large in healthy children between ages 3 and 6. This is a normal physiological finding and usually does not indicate illness unless accompanied by symptoms such as fever, difficulty breathing, or recurrent infections.
B. While significantly enlarged tonsils causing airway obstruction, sleep apnea, or recurrent infections may require evaluation, tonsillar enlargement alone in an otherwise healthy child is typically normal and does not require urgent referral.
C. Enlarged tonsils in this age group indicate a normally active immune system, not underdevelopment. They help the body recognize and respond to antigens, supporting healthy immune function.
D. Chronic or acute infections may cause tonsillar enlargement, but in the absence of symptoms such as fever, redness, or exudate, there is no evidence of infection, and antibiotics are not indicated.
Correct Answer is D
Explanation
A. This scale requires the child to understand numbers and quantify pain. A 5-year-old who has difficulty with numbers cannot reliably use this scale, making it inappropriate.
B. While FLACC is excellent for observational assessment of nonverbal or pre-verbal children, it does not allow the child to self-report pain. Since the nurse wants the child to self-report, this is not the best choice.
C. This scale requires the child to mark a point on a line representing their pain intensity. It also requires abstract thinking and fine motor skills, which may be challenging for a 5-year-old, especially if they can’t reliably understand numbers or gradients.
D. The Oucher scale uses pictures of faces showing increasing pain intensity along with a numeric scale. For children who understand pictures but struggle with numbers, this scale allows them to self-report pain by pointing to the face that matches their discomfort. It is validated for children aged 3–12 years, making it the most appropriate choice for a 5-year-old who can use pictorial cues.
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