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Author Question: The accuracy of an instrument depends on which of the following? 1. The standard deviation of ... (Read 27 times)

tichca

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on: Jul 16, 2018
The accuracy of an instrument depends on which of the following?
 
  1. The standard deviation of repeated measurements
  2. The instrument's linearity and frequency response
  3. The instrument's ability to reproduce a measurement
  4. The instrument's sensitivity to environmental conditions
  a. 1 and 2 c. 2 and 3
  b. 1 and 3 d. 2 and 4

Question 2

One type of threshold resistor used to create continuous positive airway pressure is which of the following?
 
  a. Bennett valve c. Underwater seal
  b. Sliding Venturi d. Oscillator cartridge


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CAPTAINAMERICA

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

ANS: D
Accuracy can be explained as how closely a measured value is related to the correct value of the quantity measured. The accuracy of any instrument depends on its linearity and frequency re-sponse, its sensitivity to environmental conditions, and how well it is calibrated.

Answer to Question 2

ANS: C
The underwater seal resistor has tubing attached to the expiratory port of the circuit and is sub-merged under a column of water. The level of continuous positive airway pressure is determined by the height of the column.


tichca

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Reply 2 on: Jul 16, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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