Ch 10

Question 1

Bedside evaluation of the degree of hypoxemia May best be accomplished by which of the following?

Answer 1

Pulse oximetry

Question 2

A five year old patient with a history of asthma is admitted to the ER after complaining of chest tightness and wheezing. The post office Reading drops from 95 to 88%. Which of the following devices should be selected to deliver oxygen to this patient?

Answer 2

Nasal cannula

Question 3

What is the minimum flow rate that should be used to deliver oxygen through a hood to an infant?

Answer 3

10 L per minute

Question 4

The Physician orders 32% oxygen for a 12 year old with cystic fibrosis. Which of the following oxygen delivery devices would best ensure the oxygen concentration?

Answer 4

Air entrainment mask

Question 5

A nine year old is admitted to the hospital after smoke inhalation. While recovering oxygen with a non rebreathing mask, it is noted that the reservoir bag becomes totally deflated when the patient inspires. Which of the following actions should be taken?

Answer 5

Increase the oxygen flow rate

Question 6

A premature infant is receiving Oxygen by nasal cannula at 1.5 liters per minute. The following capillary blood gas and pulse oximetry values are obtained
PH 7.37
PtcCo2 41 mmHg
PCo2 43 mmHg
Hco3 23 mEq/L
BE -1mEq/L
Spo2 98%
What should be recommended

Answer 6

Decrease the nasal cannula flow to 1 liter per minute

Question 7

What possible ways does HHFNC improve oxygenation?

Answer 7

Nasopharyngeal CO2 washout at Flo’s that exceed expert or gas flow filling the nasal cavity with oxygen and Rich gas positive pressure

Question 8

What is a concern when using a HHFNC?

Answer 8

A lack of understanding of the actual fraction of oxygen delivered a lack of knowledge concerning the actual amount of positive pressure applied to the patient’s Airways