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Author Question: Which type of calorimeter is best suited to measure the energy expenditure of a mechanically ... (Read 73 times)

PhilipSeeMore

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on: Jul 16, 2018
Which type of calorimeter is best suited to measure the energy expenditure of a mechanically ventilated patient with a heated humidifier?
 
  a. IR c. Closed-circuit
  b. Open-circuit d. Double-circuit

Question 2

Measuring the energy needs of patients is known as which of the following?
 
  a. Oximetry c. Capnography
  b. Calorimetry d. Spectroscopy


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xiazhe

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

ANS: C
Closed-circuit calorimeters can be used for both spontaneously breathing and mechanically ven-tilated patients. Open-circuit devices can also be used for both spontaneously breathing and me-chanically ventilated patients. However, special problems can arise when systems are used with mechanically ventilated patients. Some of these problems include fluctuations in FIO2, separation of the patient's inspired and expired gases from the continuous gas flow provided by the venti-lator, and handling of water vapor.

Answer to Question 2

ANS: B
Calorimetry is a method of determining energy expenditure by using the measurements of the amount of heat radiated and absorbed by an organism.


PhilipSeeMore

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Reply #2 on: Jul 16, 2018
TY


xiazhe

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Reply #3 on: Jul 16, 2018
Happy to Help


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