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

Author Question: Which site will provide the most accurate pulse oximetry reading in the event of low peripheral ... (Read 55 times)

Jipu 123

  • Hero Member
  • *****
  • Posts: 569
Which site will provide the most accurate pulse oximetry reading in the event of low peripheral perfusion?
 
  a. Toe c. Earlobe
  b. Thumb d. First digit

Question 2

Shining a red light with a wavelength of 660 nm on a blood sample will cause which of the fol-lowing?
 
  a. HHb will absorb less light than O2Hb.
  b. O2Hb will absorb less light than HHb.
  c. MetHb will absorb less light than O2Hb.
  d. Sulfhemoglobin will absorb more light than HHb.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shayla

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

ANS: C
The earlobe is more central and is not as susceptible to reductions in peripheral perfusion as are the fingers and toes.

Answer to Question 2

ANS: B
When a light with a wavelength of 660 nm (red light) shines on a sample site, HHb absorbs more light than O2HB.




Jipu 123

  • Member
  • Posts: 569
Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it


kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library