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

Author Question: What is the best measure of the efficiency of gas exchange in the lung? a. PaCO2 b. VDS/VT c. ... (Read 44 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
What is the best measure of the efficiency of gas exchange in the lung?
 
  a. PaCO2
  b. VDS/VT
  c. End-tidal PCO2
  d. PaCO2/PETCO2

Question 2

What is the normal range for P(Aa)O2 in a healthy 30-year-old person breathing room air?
 
  a. 0 to 10 mm Hg
  b. 5 to 15 mm Hg
  c. 10 to 20 mm Hg
  d. Cannot predict



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jlaineee

  • Sr. Member
  • ****
  • Posts: 380
Answer to Question 1

ANS: B
The dead space-tidal volume ratio (VD/VT) is a measure of the efficiency of gas exchange.

Answer to Question 2

ANS: B
For example, a healthy person has a P(Aa)O2 of 5 to 15 mm Hg while breathing room air.




silviawilliams41

  • Member
  • Posts: 560
Reply 2 on: Jul 16, 2018
Wow, this really help


Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Excellent

 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

For a complete list of videos, visit our video library