Author Question: During a single-breath capnogram, what does the occurrence of a plateau indicate? a. Exhalation ... (Read 25 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
During a single-breath capnogram, what does the occurrence of a plateau indicate?
 
  a. Exhalation of mainly dead space gas
  b. Inspiration of fresh respiratory gas
  c. Exhalation of mixed alveolar and dead space gas
  d. Exhalation of mainly alveolar gas

Question 2

At the very beginning of exhalation, the PETCO2 normally should be at what level?
 
  a. 0 mm Hg
  b. 15 mm Hg
  c. 25 mm Hg
  d. 40 mm Hg



nital

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

ANS: D
This plateau indicates exhalation of gas coming mainly from ventilated alveoli.

Answer to Question 2

ANS: A
Initially, the expired PCO2 is 0 mm Hg, indicating exhalation of pure dead space gas.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

For a complete list of videos, visit our video library