Author Question: Which of the following are potential hazards of using heat and moisture exchangers? 1. Failure of ... (Read 43 times)

TFauchery · **on:** Jul 16, 2018

Which of the following are potential hazards of using heat and moisture exchangers?

1. Failure of low-pressure alarms to detect disconnection
2. Underhydration or impaction of secretions
3. Hypoventilation due to increased dead space
4. Unintended tracheal lavage from condensate
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only

Question 2

Which of the following are contraindications for heat and moisture exchangers?

1. Presence of thick, copious, or bloody secretions
2. Presence of a large leak around artificial airway
3. When a patient is suffering from hyperpyrexia
4. When a patient's minute ventilation exceeds 10 L/min
a. 1 and 3 only
b. 1, 2, and 3 only
c. 4 only
d. 1, 2, and 4 only

jrpg123456 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: B
The AARC has published Clinical Practice Guideline: Humidification During Mechanical Venti-lation. Excerpts are in CPG 38-1.

Answer to Question 2

ANS: D
The AARC has published Clinical Practice Guideline: Humidification During Mechanical Venti-lation. Excerpts appear on p. 831.