Using the providing diagram, identify the structure labeled as #1.
Superior/upper right lobe
Inferior/lower right lobe
Superior/upper left lobe
Middle right lobe
The Correct Answer is A
A. Superior/upper right lobe: Label #1 is at the top part of the right lung.
B. Inferior/lower right lobe: The left lung is on the viewer’s right. The lower lobe of the left lung is positioned inferiorly (near the diaphragm) and would be closer to label #8.
C. Superior/upper left lobe: The left lung has only two lobes: superior and inferior. The superior lobe of the left lung would be in the corresponding location to label #6.
D. Middle right lobe: The middle lobe is only present in the right lung and lies below the superior lobe but above the inferior lobe.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. They are surfactant secreting membranes: Surfactant is secreted by alveolar cells, not pleural membranes.
B. They line the inner wall of the trachea, bronchi, and bronchioles: These are lined by mucosa, not pleura.
C. They are serous membranes: The visceral pleura covers the lungs; the parietal pleura lines the thoracic cavity.
D. They line the mediastinum: The pleura surround the lungs, not the mediastinum specifically.
Correct Answer is C
Explanation
A. Bronchioles- bronchioles are airways that lead to alveoli but are not where gas exchange occurs.
B. Trachea- this is a conduction pathway for air, not where diffusion of gases happens.
C. Pulmonary capillaries- oxygen diffuses across the alveolar membrane into the pulmonary capillaries for transport in the blood.
D. Lungs- this is too broad; gas exchange occurs specifically at the alveolar-capillary membrane.
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