The bronchi, bronchioles, and alveoli are:
Surrounded by rings of cartilage
Upper respiratory structures
Collectively referred to as the bronchial tree
The sites of the exchange of respiratory gases
The Correct Answer is C
A. Surrounded by rings of cartilage: Only the larger bronchi are surrounded by cartilage; bronchioles and alveoli are not.
B. Upper respiratory structures: These are part of the lower respiratory tract.
C. Collectively referred to as the bronchial tree: This is the correct term for the branching airway system from the trachea to alveoli.
D. The sites of the exchange of respiratory gases: Only the alveoli are directly involved in gas exchange.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Due to contraction of the trapezius muscle: Not involved in normal breathing.
B. Referred to as ventilation (breathing): Correct; ventilation is the process of moving air in and out of the lungs.
C. Due to relaxation of the diaphragm and intercostal muscles: Only exhalation is passive due to relaxation.
D. Caused by contraction and relaxation of the bronchiolar smooth muscle: Regulates airflow, not breathing movements.
Correct Answer is B
Explanation
A. A collection of excess fluid within the intrapleural: This describes a pleural effusion, not orthopnea.
B. Difficulty in breathing that is relieved by sitting upright: This is the definition of orthopnea, commonly seen in conditions like heart failure.
C. A bluish color of the skin induced by hypoxemia: This describes cyanosis, not orthopnea.
D. A lung infection like pneumonia: Pneumonia is a specific infection, not a description of breathing difficulty in certain positions.
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