What Event Is Characteristic of the Function in Zone 1

question 12

Multiple Choice

What event is characteristic of the function in Zone 1 of the lung?

• A)Blood flow through the pulmonary capillary bed increases in regular increments.
• B)Alveolar pressure is lesser than venous and arterial pressures.
• C)The capillary bed collapses, and normal blood flow ceases.
• D)Blood flows through Zone 1, but it is impeded by alveolar pressure.

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