Question

171. A healthy human breathes 14 times per minute.
The alveolar ventilation rate at this rate of
breathing is
(1) 7000 ml
12) 2500 ml
(3) 4900 ml
(4) 5800 ml
manoted hiood delivere​

Answer 1

The rate of alveolar ventilation at the time of

breathing is 4900 ml.

Answer: Option (3)

Explanation:

• Alveolar ventilation is usually adjusted by the respiratory control middle in the brain to keep mean arterial and alveolar at about fourty mm Hg.

Given Data:

Ventilation Rate= 14 times/minute.

We know that

The normal tidal volume is 500 ml.

The normal dead space is 150 ml.

Using the formulae:

Alveolar ventilation = ventilation rate x (tidal volume – dead space);  

Where ventilation rate is the breathing rate or breaths/minute.

Substitute the value in the above formulae.

So, Alveolar ventilation  = 14 ×(500 -150)=   14 ×350 = 4900

Alveolar ventilation breaths 4900 ml.

Learn more about Alveolar ventilation:

Explain how alveoli are ventilated

https://brainly.in/question/10455952