A nurse is caring for a newborn who may have pyloric stenosis. Which of the following manifestations should the nurse expect?

Presence of Dance sign

Projectile vomiting

Always seems full

Excessive weight gain

Answer and Explanation

The Correct Answer is B

A. Presence of Dance sign. Dance sign (an empty right lower quadrant on palpation) is associated with intussusception, not pyloric stenosis. Pyloric stenosis is characterized by hypertrophy of the pyloric sphincter, leading to gastric outlet obstruction.

B. Projectile vomiting. Forceful, non-bilious projectile vomiting is the hallmark symptom of pyloric stenosis. It occurs due to the narrowing of the pyloric sphincter, preventing stomach contents from passing into the small intestine. Vomiting usually begins around 2 to 6 weeks of age and worsens over time.

C. Always seems full. Infants with pyloric stenosis actually experience hunger and irritability after vomiting because food is not reaching the intestines for digestion and absorption.

D. Excessive weight gain. Instead of gaining weight, infants with pyloric stenosis often experience weight loss or poor weight gain due to repeated vomiting and inadequate nutrient absorption.

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Correct Answer is C

Explanation

A. "Anencephaly affects male fetuses more than female fetuses." Anencephaly occurs more frequently in female fetuses than in males. Studies suggest a slightly higher prevalence in female infants, though the exact reason is unclear.

B. "Cancer during pregnancy is a risk factor for anencephaly." There is no known link between cancer during pregnancy and anencephaly. The primary risk factors include folic acid deficiency, maternal diabetes, and exposure to teratogens (e.g., certain medications, high temperatures, or environmental toxins).

C. "These defects occur in the embryonic stage of pregnancy." Anencephaly is a neural tube defect (NTD) that occurs during the embryonic stage, specifically between weeks 3 and 4 of gestation. During this period, the neural tube fails to close properly, leading to incomplete development of the brain and skull.

D. "Most newborns who have anencephaly survive 1 month." Anencephaly is almost always fatal, with most affected newborns dying within hours to days after birth. There is no cure, and long-term survival is extremely rare due to the severe brain malformation.

A. Mood changes B. Swollen knees C. Frequent falls D. Dental caries

Correct Answer is B

Explanation

A. Mood changes. While mood changes can occur due to various health conditions, they are not a direct indicator of a bleeding disorder. Bleeding disorders typically present with physical symptoms like easy bruising or joint swelling.

B. Swollen knees. Joint swelling (hemarthrosis) is a key sign of bleeding disorders such as hemophilia. In children with a bleeding disorder, even minor trauma can cause bleeding into the joints, leading to pain, stiffness, and swelling, particularly in weight-bearing joints like the knees and ankles.

C. Frequent falls. While frequent falls may result in bruising, they are not a direct indicator of a bleeding disorder. However, children with a bleeding disorder may bruise excessively or experience prolonged bleeding after minor falls.

D. Dental caries. Dental caries (tooth decay) is not a symptom of a bleeding disorder but rather results from poor oral hygiene, dietary factors, or bacterial infection. Bleeding disorders may cause prolonged bleeding after dental procedures, but they do not directly cause cavities.

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A nurse is caring for a newborn who may have pyloric stenosis. Which of the following manifestations should the nurse expect?

Nursing Test Bank

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