A nurse is assessing a newborn who was born vaginally with vacuum extractor assistance. The nurse notes swelling over the newborn's head that crosses the suture line. The nurse should identify the swelling as which of the following findings?
Nevus flammeus.
Caput succedaneum.
Cephalohematoma.
Erythema toxicum.
The Correct Answer is B
Choice A reason:
Nevus flammeus, also known as a port-wine stain, is a flat, pink, red, or purple mark on the skin present at birth. It is a congenital vascular malformation and does not involve swelling that crosses suture lines.
Choice B reason:
Caput succedaneum is the correct diagnosis for swelling that crosses suture lines on a newborn's head, typically associated with a prolonged or difficult vaginal delivery, especially with the use of vacuum extraction.
Choice C reason:
Cephalohematoma is a collection of blood under the periosteum of the cranial bones that does not cross suture lines. It appears soon after birth and is usually caused by birth trauma.
Choice D reason:
Erythema toxicum is a common rash in newborns, presenting as red patches with small white or yellow pustules. It does not cause swelling over the head that crosses suture lines.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Tamoxifen is not used to treat Non-Hodgkin's lymphoma. Tamoxifen is a selective estrogen
receptor modulator (SERM) and is primarily used in breast cancer treatment. It functions by
binding to estrogen receptors, blocking estrogen's effects, and inhibiting the growth of
hormone-sensitive breast cancer cells.
Choice B rationale:
Tamoxifen is not used to treat endometriosis. Endometriosis is a condition in which tissue
similar to the lining of the uterus grows outside the uterus, and it is typically managed with
hormonal therapies, pain medications, or surgical interventions, but not tamoxifen.
Choice C rationale:
This is the correct choice. Tamoxifen is widely used in the treatment of breast cancer,
especially in cases of estrogen receptor-positive breast cancer. It helps prevent cancer
recurrence and is often prescribed for both early-stage and advanced breast cancer patients.
Choice D rationale:
Tamoxifen is not used to treat polycystic ovary syndrome (PCOS). PCOS is a hormonal
disorder characterized by enlarged ovaries with small cysts, and it is typically managed with
lifestyle changes, hormonal contraceptives, and medications to regulate menstrual cycles and
manage symptoms like hirsutism and acne.
Correct Answer is A
Explanation
Choice A rationale:
Rh incompatibility occurs when an Rh-negative client is exposed to Rh-positive fetal blood, typically during a prior pregnancy or delivery. The client’s immune system produces anti-Rh antibodies that cross the placenta in subsequent pregnancies, attacking the Rh-positive red blood cells of the fetus. This hemolysis releases bilirubin, leading to hyperbilirubinemia in the newborn.
Choice B rationale:
Rh incompatibility only occurs when the client is Rh-negative and the fetus is Rh-positive. An Rh-positive client will not form antibodies against an Rh-negative fetus, as their immune system recognizes the Rh factor as normal.
Choice C rationale:
This choice is not related to the mechanism of Rh incompatibility. Receiving a transfusion with Rh-negative blood would not cause the mother's immune system to produce anti-Rh antibodies or lead to Rh incompatibility with her newborn.
Choice D rationale:
This choice describes the ABO blood group system, not the Rh factor. ABO incompatibility can occur when a mother with blood type O (producing anti-A and anti-B antibodies) has a newborn with blood type A, B, or AB, leading to hemolysis of the fetal red blood cells. However, the question specifically mentions Rh incompatibility, which involves the Rh factor, not the ABO system.
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