A nurse is discussing the clinical manifestations of cystic fibrosis (CF) with a newly diagnosed adolescent client. What common respiratory symptom should the nurse emphasize as an early sign of CF?

Wheezing and chest pain

Chronic cough with thick mucus production

Blood in the urine

Digestive discomfort and diarrhea

Answer and Explanation

The Correct Answer is B

A) Incorrect. Wheezing and chest pain can occur in CF, but a chronic cough with thick mucus production is often one of the earliest respiratory symptoms.

B) Correct. A chronic cough with thick, sticky mucus is a hallmark symptom of CF due to the accumulation of mucus in the respiratory tract.

C) Incorrect. Blood in the urine is not a common early sign of CF; it may indicate other issues.

D) Incorrect. Digestive discomfort and diarrhea are more related to CF's impact on the gastrointestinal system, rather than being early respiratory symptoms.

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Correct Answer is B

Explanation

A) Incorrect. Long-term oxygen therapy is typically reserved for individuals with chronic hypoxemia and is not the primary treatment for a pulmonary exacerbation.

B) Correct. Bronchodilators and corticosteroids are commonly used to manage pulmonary exacerbations in CF by reducing airway inflammation and improving airflow.

C) Incorrect. Surgical lung transplantation is considered in severe cases of CF with irreversible lung damage but is not typically the first-line treatment for a pulmonary exacerbation.

D) Incorrect. Bed rest and minimal physical activity are not recommended as the primary treatment for pulmonary exacerbations; maintaining mobility and airway clearance techniques are important.

A. "CF is caused by an extra chromosome, leading to genetic imbalance." B. "In CF, there is a duplication of the CFTR gene on chromosome 7." C. "CF results from a mutation in the CFTR gene, which codes for a dysfunctional chloride channel." D. "CF is characterized by the absence of the CFTR gene in affected individuals."

Correct Answer is C

Explanation

A) Incorrect. CF is not caused by an extra chromosome; it is a genetic disorder resulting from mutations in specific genes.

B) Incorrect. CF is not characterized by a duplication of the CFTR gene but rather by various mutations in this gene.

C) Correct. CF is primarily caused by mutations in the CFTR (cystic fibrosis transmembrane conductance regulator) gene, leading to the production of dysfunctional chloride channels.

D) Incorrect. CF is not characterized by the absence of the CFTR gene; instead, it involves various mutations in this gene.

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A nurse is discussing the clinical manifestations of cystic fibrosis (CF) with a newly diagnosed adolescent client. What common respiratory symptom should the nurse emphasize as an early sign of CF?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client with cystic fibrosis (CF) is experiencing a pulmonary exacerbation. What treatment approach should the nurse anticipate to help manage this acute worsening of symptoms?

Correct Answer is B

Explanation

A nurse is discussing the underlying genetic defect in cystic fibrosis (CF) with a client. Which of the following statements accurately describes the primary genetic abnormality in CF?

Correct Answer is C

Explanation

A client with cystic fibrosis (CF) presents with clubbed fingers during a routine examination. What should the nurse explain to the client regarding the significance of clubbing in CF?

A nurse is educating a client about the diagnostic process for cystic fibrosis (CF). What diagnostic test measures the concentration of chloride ions in sweat and is often used to confirm CF?

A nurse is discussing the impact of cystic fibrosis (CF) on the digestive system with a client. Which statement accurately describes a common gastrointestinal complication of CF?

A nurse is educating a client about the inheritance pattern of cystic fibrosis (CF). What information should the nurse provide regarding the likelihood of a child developing CF if both parents are carriers?

A nurse is educating a client with cystic fibrosis (CF) about potential complications of the disease. Which of the following should the nurse mention as a common complication of CF in adults?

A nurse is explaining the pathophysiology of cystic fibrosis (CF) to a newly diagnosed patient. Which statement accurately describes the genetic basis of CF?

A nurse is explaining the diagnostic process for cystic fibrosis (CF) to a client and their family. What initial diagnostic test is often used to assess CF in infants who exhibit symptoms suggestive of the condition?

A nurse is discussing the diagnostic evaluation of cystic fibrosis (CF) with a client. What test is commonly performed to assess lung function and monitor disease progression in individuals with CF?