Cystic fibrosis (CF) is suspected in a toddler. Which test is essential in establishing this diagnosis?
Bronchoscopy
Serum calcium
Urine creatinine
Sweat chloride test
The Correct Answer is D
This test measures the amount of chloride in the sweat, which is abnormally high in people with cystic fibrosis (CF). CF is an inherited disorder that affects the cells that produce mucus, sweat, and digestive juices.
Choice A is wrong because bronchoscopy is a procedure that allows the doctor to examine the airways and lungs, but it is not essential for diagnosing CF.
Choice B is wrong because serum calcium is a blood test that measures the level of calcium in the blood, which is not related to CF.
Choice C is wrong because urine creatinine is a test that measures the amount of creatinine in the urine, which reflects the kidney function, but it is not relevant to CF.
Normal ranges for sweat chloride test are:
- Less than 40 millimoles per liter (mmol/L) for children and adults
- Less than 30 mmol/L for infants younger than 6 months
A sweat chloride level of more than 60 mmol/L is considered positive for CF.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Assess the parents’ anxiety level and readiness to learn. This is because the nurse needs to evaluate the parent’s emotional state and their ability to comprehend and retain information before providing any teaching.
The nurse should also consider the parent'slearning style, cultural background, and literacy level.
Choice B is wrong because gathering literature for the parents is not the first action. The nurse should first assess the parents’ needs and preferences and then select appropriate materials that match their level of understanding and language.
Choice C is wrong because securing a quiet place for teaching is not the first action. The nurse should first assess the parents’ readiness to learn and then choose a suitable environment that minimizes distractions and promotes comfort.
Choice D is wrong because discussing the plan with the nursing team is not the first action. The nurse should first assess the parents’ anxiety level and readiness to learn and then collaborate with other health care professionals to provide consistent and accurate information.
Correct Answer is C
Explanation
Children with asthma who are taking long-term inhaled steroids should be assessed frequently to monitor for this increased risk because some studies have shown a growth delay in children treated with moderate to high doses of inhaled steroids. This appears to occur only during the first year of treatment and may be reversible.
Choice A is wrong because cough is not a side effect of inhaled steroids, but a symptom of asthma itself.
Choice B is wrong because osteoporosis is not a common side effect of inhaled steroids in children, but a possible risk for adults who use high doses of inhaled steroids or oral steroids.
Choice D is wrong because Cushing’s syndrome is not a side effect of inhaled steroids, but a rare complication of oral steroids.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today