Which of the following is correct air flow?
Bronchioles-glottis-alveoli
Trachea-bronchi-bronchioles
Larynx-alveoli-carina
Bronchi-trachea-alveoli
The Correct Answer is B
A. Bronchioles-glottis-alveoli: This is not a correct sequence; air doesn't go from bronchioles to glottis.
B. Trachea-bronchi-bronchioles: This is the correct anatomical sequence of airflow.
C. Larynx-alveoli-carina: Carina comes before the alveoli and is part of the tracheal bifurcation.
D. Bronchi-trachea-alveoli: Air flows from trachea → bronchi → alveoli, not bronchi → trachea.
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 C
Explanation
A. Pharynx: Transports air but is not primarily responsible for warming/moistening.
B. Larynx: Functions in voice production and airway protection.
C. Nostrils/nares: Correct; nasal passages warm, moisten, and filter the air.
D. Alveoli: Site of gas exchange, not air conditioning.
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