Understanding Tidal Volume And Maximum Voluntary Ventilation

Understanding Tidal Volume And Maximum Voluntary Ventilation

Question 1. Give normal values of 

1. Tidal volume

2. Maximum voluntary ventilation.
Answer:

Normal values:

• Tidal volume – 500 ml
• Maximum voluntary ventilation – 4.2 litres/min

Question 2. Mention the partial pressures of oxygen and carbon dioxide in arterial and venous blood.
Answer:

Partial pressure:

Question 3. Give the contents of oxygen in blood. Define tidal volume and give the value.
Answer:

Contents of oxygen in blood:

• Arterial blood – 19 ml%
• Venous blood – 14 ml%

Tidal volume Definition:

• It is the volume of air breathed in and out of lungs in a single normal quiet breathing

Tidal  Value:

• 500 ml