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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. "You should focus solely on cognitive development at home, as professional interventions are not effective for children with fragile X syndrome." This is incorrect. Professional interventions, including speech therapy, occupational therapy, and behavioral therapy, are essential for supporting cognitive and social development in children with fragile X syndrome.
B. "Since your child has cognitive delays, you should avoid social activities that could overwhelm them and hinder their progress." Avoiding social activities can actually be harmful, as children with fragile X syndrome benefit from structured social interactions and support. Instead of avoidance, individualized strategies should be used to help the child participate comfortably.
C. "It's important to work with a multidisciplinary team to address your child's cognitive delays and support their development." This is correct. A multidisciplinary team, including special education teachers, therapists, and healthcare providers, helps ensure the child receives individualized support in cognitive, social, and communication skills.
D. "Cognitive delays in children with fragile X syndrome typically resolve on their own, so there is no need for specialized educational plans or therapies." Cognitive delays in fragile X syndrome do not resolve on their own. Early intervention and specialized education plans (e.g., IEPs) are crucial in maximizing the child’s potential.
Correct Answer is ["4"]
Explanation
Formula:
Volume to administer (mL) = (Desired dose (mg) / Available concentration (mg/mL))
Desired dose = 320 mg
Available concentration = 400 mg / 5 mL
Calculate the concentration per mL:
400mg / 5mL
= 80 mg/mL
Apply the formula:
Volume to administer = 320 mg / 80 mg/mL
=4ml
The nurse should administer 4 mL per dose.
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