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Author Question: Impedance plethysmographs operate by using _____-frequency, _____-amplitude electrical cur-rent. ... (Read 59 times)

Wadzanai

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on: Jul 16, 2018
Impedance plethysmographs operate by using _____-frequency, _____-amplitude electrical cur-rent.
 
  a. Low; low c. Low; high
  b. High; low d. High; high

Question 2

Which of the following might cause an apnea monitor to fail to alert the clinician to the presence of apnea?
 
  a. Tachycardia c. Upper airway ob-struction
  b. Changes in blood volume d. Inadequate Sensi-tivity settings


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mtmmmmmk

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
A constant high-frequency, low-amplitude electrical current is passed between the two elec-trodes, and the return voltage is used to calculate the impedance.

Answer to Question 2

ANS: C
Recent evidence suggests that bradycardia and upper airway obstruction might cause apnea mon-itors to fail to signal apnea.


Wadzanai

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Reply 2 on: Jul 16, 2018
Excellent

epscape

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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