Click the box next to the best answer.

1. The arterial blood sample is placed in a blood gas analyzer and checked for levels of oxygen, carbon dioxide, and _____.

Pulse oximetry
pH
CaO
FVC

2. A lack of alpha-1 antitrypsin allows protease, a disease-fighting enzyme, to destroy lung tissue.

True
False

3. With chronic bronchitis, the principal pathologic change is hypertrophy and _____ of the mucus-secreting glands of the trachea, bronchi, and bronchioles.

Dysplasia
Neoplasia
Hyperplasia
Aplasia

4. Bronchography is an x-ray of the trachea and bronchial tree used to help locate obstruction, tumors, and cysts in the bronchial tree.

True
False

5. A direct laryngoscopy is performed with a _____.

Mirror
Bronchoscope
Laryngeal speculum
Perfusion scan

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