resp test questions Flashcards
1
Q
Which of the following is correct ?
A) Right-to-left shunts represent an extremely high V/Q ratio
B) Right-to-left shunts are not a cause of elevated alveolar-arterial oxygen difference
C) An increase in the alveolar dead-space can result from an increase in the number of high V/Q units in the lung
D)The shape of the oxyhemoglobin dissociation curve means that low V/Q units in the lung are not a cause of hypoxemia (low PaO2)
E)Totally occluding the right pulmonary artery increases the right-to-left shunt fraction by 50%
laryngeal nerve?
A
C
