V/Q Defects

Question 1

Alveolar ventilation alone is highest in ___

Answer 1

Lung base

Question 2

Pulmonary blood flow alone is highest in

Answer 2

Lung base

Question 3

Ventilation-Perfusion ratio is highest in

Answer 3

Lung apex

Question 4

The pulmonary artery CO2 is lowest in ____

Answer 4

Lung Apex

Question 5

The V/Q is zero in ___

Answer 5

1. Shunting (R-L_

2. Airway obstruction

Question 6

If a patient is standing, the ____ (Apex, middle, base) will have a higher compliance

Answer 6

Base of the lungs

Question 7

Pulmonary embolism has a V/Q of ___

Answer 7

infinite (dead space)