Oxygen

When administering emergency oxygen to a victim, which of the following is most important to do?

• Apply a general-purpose petroleum product to help lubricate the regulator.

• Hold on to the valve on the oxygen cylinder when dragging or rolling it.

• Endure that the oxygen cylinder is standing upright, free from any securing devices

• Ensure oxygen is flowing through the device before putting it on the victim

The pressure gauge on an oxygen cylinder reads 200 pounds per square inch (psi). Which action is most appropriate?

• Replacing the cylinder with a new one.

• Changing the O-ring gasket.

• Lubricating the connection sites.

• Attaching the flowmeter.

When giving ventilations to a victim, the oxygen concentration that you exhale into the victim contains approximately what percentage of oxygen?

•    44.

• 21.

•    32.

• 16.

A victim is receiving emergency oxygen that is attached to a BVM. The minimum appropriate flow rate is:

• 12 LPM

• 15 LPM

• 10 LPM

• 20 LPM

Which pulse oximeter reading indicates possible hypoxia

• 100 PERCENT SPO2

• 98 PERCENT SPO2

• 92 PERCENT SPO2

• 95 PERCENT SPO2

You are administering emergency oxygen to a victim and you need to verify that the oxygen is flowing. Which of the following should you do?

• Look for bubbles in the oxygen tubing

• Listen for a hissing sound coming from the device

• Feel for air coming out of the victim’s mouth

• Watch for steam coming out of the delivery device

Which oxygen delivery device delivers the highest oxygen concentration to a victim?

• Nasal Cannula

• Resuscitation mask

•   BVM

• Non-rebreather mask

When administering emergency oxygen to. Victim, which of the following is used to set the liters per minute?

• Oxygen regulator

• Pressure gauge

• Flowmeter

• O-ring gasket

A victim is receiving emergency oxygen via nasal cannula. Which flow rate is most appropriate to use with this device?

• 14 liters per minute (LPM)

• a.    16 liters per minute (LPM)

• a.    15 liters per minute (LPM)

• a.    4 Liters per minute (LPM)

When placing a resuscitation mask on a victim, position the rim of the mask between which of the following?

• Bridge and tip of the nose

• Cheek and mouth

• Lower lip and chin

• Nose and upper lip