Orthopnea refers to:
A collection of excess fluid within the intrapleural
Difficulty in breathing that is relieved by sitting upright
A bluish color of the skin induced by hypoxemia
A lung infection like pneumonia
The Correct Answer is B
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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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 A
Explanation
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.
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