Using the provided diagram, identify the structure labeled as #8.
Bronchi
Trachea
Alveoli
Bronchioles
The Correct Answer is A
A. Bronchi: The bronchi are the main airways that branch off from the trachea and enter each lung. Structure #8 is shown as the large branches that split into the lungs, consistent with the location and appearance of the bronchi.
B. Trachea: The trachea is the main airway above the bronchi, running down the neck before it splits into the left and right bronchi. It is likely labeled as #7 in the diagram.
C. Alveoli: Alveoli are microscopic air sacs at the end of the bronchioles where gas exchange occurs. They are not visibly distinct in this diagram and are located much further down the airway branches than where #8 is labeled.
D. Bronchioles: Bronchioles are the smaller branches that come off the bronchi and lead to the alveoli. They would be located deeper into the lung structure and are smaller than the bronchi seen at label #8.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Flushed: Not directly related to dyspnea.
B. Having difficulty breathing: Correct; dyspnea is defined as labored or difficult breathing.
C. Coughing up blood: This is hemoptysis, not dyspnea.
D. Not breathing: This is apnea, not dyspnea.
Correct Answer is C
Explanation
A. The patient has hypotension: Hypotension does not directly cause use of accessory muscles.
B. The patient is breathing normally, using the normal muscles of inspiration and expiration: Normal breathing uses the diaphragm and intercostals, not accessory muscles like the sternocleidomastoid.
C. The patient is having difficulty breathing: Use of accessory muscles at rest indicates respiratory distress or difficulty in breathing.
D. The patient has hypertension: Hypertension is not directly related to accessory muscle use during breathing.
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