CNA Oxygen Therapy and Respiratory Support

Question 1

A resident is receiving oxygen via nasal cannula. The nurse aide notices the tubing has become kinked. The nurse aide should:

Accepted Answer

Straighten the tubing immediately to restore oxygen flow and report the finding to the nurse

Answer

Remove the cannula and notify the nurse at the next scheduled check

Answer

Increase the oxygen flow rate to compensate for the kink

Answer

Replace the cannula with an oxygen mask without a nurse's order

Question 2

Which safety rule is most important when oxygen is in use in a resident's room?

Accepted Answer

Post 'No Smoking / Oxygen in Use' signs and eliminate all open flames and sparks

Answer

Keep the oxygen tank as full as possible at all times

Answer

Limit the number of people allowed in the room to two

Answer

Store extra oxygen tanks directly next to heat vents for easy access

Question 3

A nurse aide checks a resident's pulse oximetry reading and finds it is 88%. The nurse aide should:

Accepted Answer

Report the low reading to the nurse immediately, as it may indicate inadequate oxygenation

Answer

Record the reading and report it at the next nursing handoff

Answer

Tell the resident to breathe more deeply and recheck in an hour

Answer

Adjust the resident's oxygen flow rate to correct the low reading

Question 4

Which position is generally most helpful for a resident who is having difficulty breathing?

Accepted Answer

Fowler's or semi-Fowler's position (head of bed elevated 30–90 degrees)

Answer

Supine (flat on the back)

Answer

Prone (lying face down)

Answer

Trendelenburg position (head lower than feet)

Question 5

Which of the following signs would indicate a resident may be experiencing hypoxia (low blood oxygen)?

Accepted Answer

Confusion, bluish color of the lips or fingertips (cyanosis), and labored breathing

Answer

Pink, warm skin and a regular, slow breathing rate

Answer

Increased appetite and high energy level

Answer

A blood pressure reading higher than normal

Question 6

A resident on continuous oxygen therapy wants to smoke in the outdoor smoking area. The nurse aide should:

Accepted Answer

Inform the resident that smoking while on oxygen is extremely dangerous and notify the nurse

Answer

Allow it as long as the resident turns off the oxygen tank first

Answer

Reduce the oxygen flow rate to the lowest setting before the resident goes outside

Answer

Accompany the resident to the smoking area to supervise