Podcast
Questions and Answers
What condition leads to an imbalance between ventilation rate and blood flow through the pulmonary circuit?
What condition leads to an imbalance between ventilation rate and blood flow through the pulmonary circuit?
- Pulmonary bronchitis
- COPD
- Pulmonary embolism (correct)
- Hypoxic pulmonary vasoconstriction
Where does a low V̇/Q̇ ratio naturally occur in the lungs?
Where does a low V̇/Q̇ ratio naturally occur in the lungs?
- Middle lobe of the lung
- Apex of the lung
- Base of the lung (correct)
- Hilum of the lung
In which condition do the airways become stenosed or occluded, leading to a low V̇/Q̇ ratio?
In which condition do the airways become stenosed or occluded, leading to a low V̇/Q̇ ratio?
- Pulmonary hypertension
- Pulmonary embolism
- Asthma (correct)
- Pulmonary edema
Which factor leads to hypoxic pulmonary vasoconstriction, resulting in pulmonary hypertension?
Which factor leads to hypoxic pulmonary vasoconstriction, resulting in pulmonary hypertension?
What is the main form of CO2 transport in blood involving bicarbonate anions?
What is the main form of CO2 transport in blood involving bicarbonate anions?
Which factor affects oxygen saturation by binding to hemoglobin much more strongly than oxygen?
Which factor affects oxygen saturation by binding to hemoglobin much more strongly than oxygen?
What happens to carboxyhemoglobin when the partial pressure of oxygen in the alveoli is increased?
What happens to carboxyhemoglobin when the partial pressure of oxygen in the alveoli is increased?
What is the form of hemoglobin that has a much higher affinity for oxygen than adult hemoglobin?
What is the form of hemoglobin that has a much higher affinity for oxygen than adult hemoglobin?
'V̇' in V̇/Q̇ ratio refers to:
'V̇' in V̇/Q̇ ratio refers to:
'Q̇' in V̇/Q̇ ratio stands for:
'Q̇' in V̇/Q̇ ratio stands for:
