A mother brings her 2-month-old to the well-baby clinic. She states that when she kisses her baby, the infant's skin tastes salty.
The nurse should prepare the mother for what standard diagnostic test to screen for cystic fibrosis (CF)?
Sweat-chloride test.
Faecal-fat test.
Pulmonary-function test.
Potassium chloride test.
The Correct Answer is A
The nurse should prepare the mother for a sweat-chloride test to screen for cystic fibrosis (CF). A sweat- chloride test measures the amount of chloride in the sweat and is used to diagnose CF. CF is a genetic disorder that can cause the body to produce thick, sticky mucus that can clog the lungs and pancreas. One of the symptoms of CF is salty-tasting skin due to an increased amount of salt in the sweat. The other options (B, C, and D) are not standard diagnostic tests for screening for CF.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Administer the injection into the middle of the lateral aspect of the thigh is the correct choice. This is the recommended site for intramuscular injection in toddlers who have been walking for at least one month, as it is a large muscle with minimal nerves and blood vessels. Choices A, B, and D are not appropriate techniques for administering an intramuscular injection to a toddler with pneumonia.
Correct Answer is A
Explanation
Answer: A. Biopsy may rupture the encapsulated tumor and cause the cancer cells to spread.
Rationale:
A) Biopsy may rupture the encapsulated tumor and cause the cancer cells to spread: This is the primary reason why surgery is performed before a biopsy in cases of Wilms tumor. The tumor is usually encapsulated, and performing a biopsy could risk breaking the capsule, leading to the dissemination of cancer cells into surrounding tissues, which can worsen the prognosis.
B) Metal clips are surgically applied at the tumor site for exact marking for radiation: While marking the tumor site for radiation is important, it is not the primary reason for performing surgery before a biopsy. The main concern is about the potential for cancer cell spread during a biopsy procedure.
C) Surgery is necessary to stage the tumor and determine metastasis to other sites: Although staging is a critical aspect of cancer management, the urgency of avoiding tumor rupture and subsequent spread is more pressing in this context. The surgery may assist in staging, but that is not the primary reason for immediate surgical intervention.
D) The surgery provides a visualization of other pathology and dysfunction of the kidney: While the surgical procedure may provide additional information about the kidney's condition, the most significant concern regarding Wilms tumor is preventing tumor rupture and the consequent spread of cancer cells, making this option less relevant.
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