DAANCE Anesthesia Equipment and Delivery 2

Question 1

Which component of an anesthesia machine reduces high-pressure oxygen from the cylinder to a safe working pressure?

Accepted Answer

Pressure regulator (yoke block)

Answer

Flowmeter

Answer

Vaporizer

Answer

Scavenging system

Question 2

A demand-valve oxygen delivery system provides oxygen only when the patient:

Accepted Answer

Initiates an inspiratory effort

Answer

Exhales forcefully

Answer

Is placed in Trendelenburg position

Answer

Has a pulse oximetry reading below 95%

Question 3

The function of a reservoir bag in an anesthesia breathing circuit is to:

Accepted Answer

Serve as a visual indicator of breathing and allow manual ventilation

Answer

Filter exhaled carbon dioxide

Answer

Deliver nitrous oxide to the patient

Answer

Monitor end-tidal CO2 levels

Question 4

Which mask size is generally appropriate for a preschool-aged child ages 3 to 5 during nitrous oxide sedation?

Accepted Answer

Size 2 (pediatric small)

Answer

Size 0 (neonatal)

Answer

Size 1 (infant)

Answer

Size 5 (adult large)

Question 5

After each patient use, nitrous oxide nasal masks should be:

Accepted Answer

Sterilized in an autoclave or disinfected per manufacturer guidelines

Answer

Disposed of and replaced with new masks

Answer

Rinsed with water only

Answer

Stored in an open container for the next patient

Question 6

When using a nonrebreather mask for supplemental oxygen, flow rates are typically set at:

Accepted Answer

10 to 15 L/min

Answer

1 to 2 L/min

Answer

4 to 6 L/min

Answer

20 to 25 L/min