A nurse is reviewing the diagnostic findings for a preschool-age child who is suspected of having cystic fibrosis. Which of the following findings should the nurse identify as an indication of cystic fibrosis?
Sweat chloride content 85 mEq/L
72-hour stool analysis sample indicating hard, packed stools
Increased blood levels of fat-soluble vitamins
Chest x-ray negative for atelectasis
The Correct Answer is A
Choice A reason: A sweat chloride content of 85 mEq/L is indicative of cystic fibrosis, as normal values are below 30 mEq/L, and values above 60 mEq/L are diagnostic for cystic fibrosis.
Choice B reason: Hard, packed stools could be a sign of cystic fibrosis but are not as diagnostic as a sweat chloride test.
Choice C reason: Increased blood levels of fat-soluble vitamins are not typically associated with cystic fibrosis; patients often have deficiencies due to malabsorption.
Choice D reason: A chest x-ray negative for atelectasis does not indicate cystic fibrosis, as atelectasis can be present in many conditions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: The FACES scale is not typically used for infants as they cannot verbally express or select a face that correlates with their pain level.
Choice B reason: The Oucher scale requires a child to point to a face that shows how much pain they are feeling, which is not suitable for infants who cannot communicate their pain verbally.
Choice C reason: The FLACC scale is appropriate for infants as it assesses pain based on five categories of behavior: Facial expression, Leg movement, Activity, Cry, and Consolability.
Choice D reason: The Non-communicating children's pain checklist is designed for children with cognitive impairments and is not the best choice for assessing pain in infants.
Correct Answer is B
Explanation
Choice A reason: While administering vitamins and minerals is important, it does not provide complete nutrition, especially for a client with such extensive burns and absent bowel sounds.
Choice B reason: This is the correct choice because total parenteral nutrition (TPN) provides complete nutrition intravenously, bypassing the gastrointestinal tract, which is necessary when bowel sounds are absent, indicating a non-functioning GI system.
Choice C reason: Enteral feedings require a functioning GI tract. With absent bowel sounds, this indicates a high risk for complications like aspiration or feeding intolerance.
Choice D reason: Encouraging oral intake is not feasible for a client with extensive burns and absent bowel sounds due to the high risk of inadequate intake and aspiration.
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