A mother brings her 2-month-old to the well-baby clinic.

She mentions that when she kisses her baby, the infant’s skin tastes salty.

What standard diagnostic test should the nurse prepare the mother for to screen for cystic fibrosis (CF)?

Fecal-fat test.

Sweat-chloride test.

Pulmonary-function test.

Potassium chloride test.

Answer and Explanation

The Correct Answer is B

Choice A rationale
A fecal-fat test is used to measure the body’s ability to break down and absorb fat. It is not a standard diagnostic test for cystic fibrosis (CF)6.
Choice B rationale
A sweat-chloride test is the standard diagnostic test for CF. People with CF have higher than normal levels of sodium and chloride in their sweat, which can make their skin taste salty.
Choice C rationale
A pulmonary-function test measures how well the lungs work and can be used to monitor lung disease in people with CF. However, it is not a standard diagnostic test for CF, especially in a 2- month-old infant.
Choice D rationale
A potassium chloride test is not a standard diagnostic test for CF6.

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Correct Answer is B

Explanation

Choice A rationale
Dividing the gluteal area into quarters and giving the IM injection into the upper outer quadrant is not the recommended technique for a 16-month-old toddler. This site is not typically used until after the child has begun walking regularly and has developed sufficient muscle mass.
Choice B rationale
Administering the injection into the middle of the lateral aspect of the thigh is the recommended technique for a 16-month-old toddler. The vastus lateralis muscle in the thigh is usually the preferred site for IM injections in infants and young children.
Choice C rationale
Using a needle length of 1/2 inch (1.25 cm) to avoid deep tissue damage is not the recommended technique for a 16-month-old toddler. The needle length should be appropriate for the age and size of the child, and a 1/2 inch needle may not be long enough to reach the muscle tissue.
Choice D rationale
Giving the injection in the arm, one to 2 inches (2.5 to 5.0 cm) below the acromion process, is not the recommended technique for a 16-month-old toddler. The deltoid muscle in the arm is typically not used for IM injections until after the child is 3 years old.

A. Apply lotion to hands and feet. B. Encourage the parents to rest when possible. C. Make a list of foods that the child likes. D. Place the child in a quiet environment.

Correct Answer is D

Explanation

Choice D rationale
The nurse should instruct the mother to place the child in a quiet environment first. Kawasaki disease is an illness that can cause inflammation in the blood vessels and can lead to symptoms such as irritability and skin peeling. Placing the child in a quiet environment can help reduce stimulation and promote rest, which can help improve the child’s symptoms.
Choice A rationale
Applying lotion to hands and feet may help with the symptom of skin peeling, but it does not address the underlying issue of the child’s irritability or refusal to eat.
Choice B rationale
While it’s important for parents to rest when possible, this does not directly address the child’s symptoms.
Choice C rationale
Making a list of foods that the child likes could potentially help with the child’s refusal to eat, but it does not address the child’s irritability or skin peeling.

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A mother brings her 2-month-old to the well-baby clinic. She mentions that when she kisses her baby, the infant’s skin tastes salty. What standard diagnostic test should the nurse prepare the mother for to screen for cystic fibrosis (CF)?

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Naxlex Comprehensive Predictor Exams

The nurse is giving an intramuscular injection of an antibiotic to a 16-month-old toddler with pneumonia. The toddler does not have any known allergies and has been walking without assistance for one month. Which technique should the nurse select for administration?

Correct Answer is B

Explanation

A child diagnosed with Kawasaki disease is brought to the clinic. The mother reports that her child is irritable, refuses to eat, and has skin peeling on both hands and feet. Which intervention should the nurse instruct the mother to implement first?

Correct Answer is D

Explanation

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A mother brings her 2-month-old to the well-baby clinic.

She mentions that when she kisses her baby, the infant’s skin tastes salty.

What standard diagnostic test should the nurse prepare the mother for to screen for cystic fibrosis (CF)?