Cystic Fibrosis Is Suspected in a Child with Frequent Respiratory

question 9

Multiple Choice

Cystic fibrosis is suspected in a child with frequent respiratory infections and failure to thrive.The nurse would expect which of the following tests ordered to make a definite diagnosis?

• A)electrolytes and CBC
• B)sweat chloride test
• C)chest X-ray
• D)endoscopy

---

Definitions:

Oxygen

A chemical element with symbol O and atomic number 8, essential for most life forms on Earth as a critical component of the air we breathe.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.

Largest Cartilage

The thyroid cartilage, better known as the Adam’s apple, is the largest cartilage in the larynx or voice box.

Larynx

The voice box located in the throat, responsible for producing sound, protecting the airway during swallowing, and regulating airflow.