« previous next »

Author Question: During a single-breath capnogram, what does the occurrence of a plateau indicate? a. Exhalation ... (Read 31 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
on: Jul 16, 2018
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
Reply #1 on: Jul 16, 2018
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
« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Many human diseases are caused by mutations in single genes Many human diseases are caused by mutations in single genes
Single-cell circulation model Single-cell circulation model
A single-nucleotide change in the DNA encoding -globin A single-nucleotide change in the DNA encoding -globin
Each chromosome consists of a single, long molecule of DNA within which are the sequences of individ Each chromosome consists of a single, long molecule of DNA within which are the sequences of individ
Example of a single-nucleotide polymorphism (SNP) Example of a single-nucleotide polymorphism (SNP)
Video: Bulk flow - factors that influence bulk flow

For a complete list of videos, visit our video library