A nurse is reinforcing teaching to a newly hired nurse about cystic fibrosis. Which of the following statements should the nurse make?
"The life expectancy for an individual who has this disorder is 25 years of age.”
"This disorder is most common in individuals of Northern European descent.”
"Heart failure will occur at some point during the progression of CF.”
“This disorder occurs when the mother has a mutation of the 7th chromosome.”
The Correct Answer is B
A. "The life expectancy for an individual who has this disorder is 25 years of age." Advances in treatment, including improved respiratory therapies and medications like CFTR modulators, have significantly increased life expectancy. Many individuals with cystic fibrosis (CF) now live into their 40s or beyond, depending on disease severity and access to medical care.
B. "This disorder is most common in individuals of Northern European descent." CF is most prevalent in individuals of Northern European ancestry, affecting about 1 in 2,500 to 3,500 newborns in this population. It is much less common in individuals of African, Asian, or Hispanic descent.
C. "Heart failure will occur at some point during the progression of CF." CF primarily affects the lungs and digestive system due to thick mucus production, but heart failure is not a direct consequence of the disease. However, cor pulmonale (right-sided heart failure) can develop secondary to chronic lung disease and pulmonary hypertension in severe cases.
D. "This disorder occurs when the mother has a mutation of the 7th chromosome." CF is an autosomal recessive disorder, meaning a child must inherit mutated CFTR genes from both parents (not just the mother). The mutation affects the CFTR gene located on chromosome 7, leading to defective chloride transport and thick mucus production.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["25"]
Explanation
Calculate the total drops needed:
Total drops (gtt) = Total volume (mL) x Drop factor (gtt/mL)
=100 mL x 15 gtt/mL
= 1500 gtt
Calculate the infusion time in minutes:
1 hour x 60 minutes/hour = 60 minutes
Calculate the drops per minute (gtt/min)
Total drops per min (gtt/min) = Total drops (gtt) / Total minutes (min)
=1500 gtt / 60 min
= 25 gtt/min
The nurse should set the manual IV infusion to deliver 25 gtt/min.
Correct Answer is ["A","B","C","D"]
Explanation
A. Provide frequent and routine verbal updates with the parents. Regular updates help reduce parental anxiety and build trust between the healthcare team and the family. Keeping parents informed reassures them that their child is receiving appropriate care.
B. Encourage the parents to participate in the toddler's plan of care when appropriate. Involving parents in simple caregiving tasks (e.g., soothing the child, assisting with feedings) fosters a sense of control and connection, easing their distress.
C. Perform more frequent health care rounds on the toddler. Increased monitoring ensures early detection of respiratory complications and reassures parents that their child's condition is being closely managed.
D. Conduct interprofessional rounds at the child's bedside so the parents can be included. Including parents in bedside rounds allows them to hear updates from multiple specialists, ask questions, and feel more engaged in decision-making regarding their child's care.
E. Reinforce education to the parents on all nursing interventions to alleviate added anxiety about tasks they are unfamiliar with. While educating parents is important, overwhelming them with detailed explanations of every intervention may actually increase anxiety rather than alleviate it. Teaching should be concise and tailored to what the parents need to know at the moment.
F. Provide the parents with the nurse's personal cell phone number to contact if they have questions while they are away from the hospital. Personal phone numbers should not be given out for professional and ethical reasons. Instead, parents should be provided with the hospital unit’s contact information for any concerns.
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