The student nurse is collecting data on a child diagnosed with cystic fibrosis and notes the child has a barrel chest and clubbing of the fingers. In explaining this manifestation of the disease, the staff nurse explains the cause of this symptom to be:
a) Chronic lack of oxygen
b) Decreased respiratory capacity
c) High sodium chloride concentration in the sweat
d) Impaired digestive activity
Answer: Chronic lack of oxygen
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