What symptoms should a nurse expect in a 6-week-old infant admitted for evaluation of suspected pyloric stenosis?
Projectile vomiting.
Effortless regurgitation.
Metabolic acidosis.
Distended abdomen.
The Correct Answer is A
Choice A rationale
Projectile vomiting is a common symptom in infants with pyloric stenosis. This is due to the narrowing of the pylorus, the muscular valve at the bottom of the stomach, which prevents breast milk or formula from passing through to the small intestine.
Choice B rationale
Effortless regurgitation is not typically associated with pyloric stenosis. The hallmark symptom of pyloric stenosis is projectile vomiting.
Choice C rationale
Metabolic acidosis is not a typical symptom of pyloric stenosis. The hallmark symptom of pyloric stenosis is projectile vomiting.
Choice D rationale
While a distended abdomen can occur in some cases of pyloric stenosis, it is not the most common symptom. The hallmark symptom of pyloric stenosis is projectile vomiting.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
A child who received a blood transfusion 1 month ago is not recommended to receive the varicella vaccine. This is because blood transfusions can introduce new antibodies into the body that may interfere with the immune response to the vaccine.
Choice B rationale
A child currently receiving immunoglobulins should not receive the varicella vaccine. Immunoglobulins are proteins in the blood that function as antibodies. They can interfere with the body’s immune response to the vaccine.
Choice C rationale
A child currently receiving chemotherapy should not receive the varicella vaccine. Chemotherapy can weaken the immune system, making it less effective at responding to vaccines.
Choice D rationale
A child who has a cold and nasal discharge can receive the varicella vaccine. Mild illnesses, such as a cold, do not interfere with the immune response to the vaccine.
Correct Answer is A
Explanation
Choice A rationale
Activated charcoal is often used in cases of drug overdose or poisoning, including aspirin ingestion. It works by binding to the drug or toxin in the stomach, preventing it from being absorbed into the body. This makes activated charcoal an effective treatment for aspirin overdose in a toddler.
Choice B rationale
A chelating agent is a substance that can bind to heavy metals in the body, helping to remove them. While useful in cases of heavy metal poisoning, it would not be the first choice for an aspirin overdose.
Choice C rationale
Acetylcysteine is an antidote for acetaminophen (Tylenol) overdose, not aspirin. It works by replenishing glutathione, a substance that helps to detoxify the liver.
Choice D rationale
Digoxin immune FAB is used to treat digoxin toxicity. Digoxin is a medication used to treat heart conditions, and it is not related to aspirin.
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