Which of the Following Lung Architecture Characteristics Creates an Increased

question 24

Multiple Choice

Which of the following lung architecture characteristics creates an increased susceptibility for aspiration in the lung?

• A)A left mainstem angle of 40 to 60 degrees from the trachea
• B)A right mainstem angle of 25 degrees from the trachea
• C)A length of 2 inches from the trachea to the lung
• D)A length of 1 inch from the trachea to the lung

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Definitions:

Arteries

Blood vessels that carry oxygen-rich blood away from the heart to the body.

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out under high pressure through the aorta to the systemic circulation.

Aorta

Large artery that receives oxygenated blood pumped out of the heart’s left ventricle.

Pulmonary Circuit

The pathway of blood flow between the heart and lungs where carbon dioxide is exchanged for oxygen.