Practice Quiz

NCLEX-RN

Category - Physiological

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Marvin, who was being treated for cystic fibrosis, has had recurrent bouts of respiratory tract infection. He was admitted one week before due to shortness of breath accompanied by adventitious breath sounds. The primary management of cystic fibrosis is prevention of infection which is accomplished:
  1. By complying with intake of dornase alfa
  2. By completing the prescribed antibiotics
  3. With chest physiotherapy
  4. By taking cough suppressants when needed
Explanation
Answer: C - Respiratory infections are caused by congestion of thick secretions in the lungs and airways. The primary prevention is regular chest physiotherapy to rid the lungs of thick secretions. Antibiotics and dornase alfa are treatment options to control the infection and oversecretion in the lungs and other glands. Dornase alfa is taken intranasally. Cough suppression should be avoided because this can result in airway obstruction and respiratory collapse.
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