Anesthesia Equipment Chapter 12

Question 1

A hole or tear in the bellows my result in?

Answer 1

Hyperventilation
Hyperoxia
Barotrauma
Patient awareness

Question 2

Excessive airway pressure maybe caused by?

Answer 2

1. Activating the oxygen flush during inspiration
2. A hole in the bellow housing
3. A stuck spill valve

Question 3

A standing bellows

Answer 3

• expands during exhalation

- makes it easy to detect disconnections

Question 4

when a ventilator with a piston is used

Answer 4

• Air entrainment may occur

- The reservoir bag may expand and contract with mechanical ventilation

Question 5

Regarding pressure control ventilation

Answer 5

1. Flow is highest at the beginning of inspiration
2. Tidal volume is not constant
3. It is often used with supraglotic devices

Question 6

Regarding SIMV

Answer 6

1. The ventilator has a secondary source of gas flow for spontaneous breathing
2. It is often used to wean patients off mechanical ventilation
3. A mandatory tidal volume and minimum mechanical ventilation rate must be selected.

Question 7

Regarding PSV

Answer 7

1. Most ventilators have a backup or apneic rate.

2. The pressure waveform has a square, flat top shape