This topic contains a solution. Click here to go to the answer

Author Question: The time available for diffusion in the lung is mainly a function of which of the following? a. ... (Read 41 times)

abc

  • Hero Member
  • *****
  • Posts: 543
The time available for diffusion in the lung is mainly a function of which of the following?
 
  a. Functional residual capacity (FRC)
  b. Inspired O2 concentration
  c. Level of VA
  d. Rate of pulmonary blood flow

Question 2

Carbon dioxide diffuses across the alveolar-capillary membrane approximately how many times faster than O2?
 
  a. 10
  b. 20
  c. 30
  d. 40



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

ANS: D
The diffusion time in the lung depends on the rate of pulmonary blood flow.

Answer to Question 2

ANS: B
Carbon dioxide diffuses approximately 20 times faster across the alveolar-capillary membrane than does O2, because of its much higher solubility in plasma.





 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

For a complete list of videos, visit our video library