Question 1

The therapist should evaluate raceway occlusion because too much roller tension could be associated with which of the following events?

Accepted Answer

A)  Inadequate flow 
B)  Increased bladder tension 
C)  Hemolysis 
D)  Recirculation 
A)  Inadequate flow 
B)  Increased bladder tension 
C)  Hemolysis 
D)  Recirculation

Question 2

Which of the following statements describes venoarterial ECMO?

Accepted Answer

A)  A cannula is inserted into the subclavian vein for the removal of blood. 
B)  Blood is removed from the venous circulation through the external jugular vein. 
C)  Blood returns to the heart through the subclavian artery. 
D)  A cannula is inserted into the right common carotid artery for arterial return. 
A)  A cannula is inserted into the subclavian vein for the removal of blood. 
B)  Blood is removed from the venous circulation through the external jugular vein. 
C)  Blood returns to the heart through the subclavian artery. 
D)  A cannula is inserted into the right common carotid artery for arterial return.

Question 3

What is the ECMO flow considered as minimal support?

Accepted Answer

A)  90 to 100 mL/Kg 
B)  70 to 80 ml/kg 
C)  40 to 50 mL/Kg 
D)  20 to 30 mL/Kg 
A)  90 to 100 mL/Kg 
B)  70 to 80 ml/kg 
C)  40 to 50 mL/Kg 
D)  20 to 30 mL/Kg

Question 4

What are the major advantages of venovenous ECMO?

Accepted Answer

A)  Carotid artery ligation is not required. 
B)  Cardiovascular support is uninvolved. 
C)  It is less expensive than VA ECMO. 
D)  The internal jugular vein is not cannulated twice. 
A)  Carotid artery ligation is not required. 
B)  Cardiovascular support is uninvolved. 
C)  It is less expensive than VA ECMO. 
D)  The internal jugular vein is not cannulated twice.

Question 5

How can membrane malfunction be suspected?

Accepted Answer

A)  Narrowing of the premembrane and postmembrane PaCO2 
B)  Widening of the premembrane and postmembrane PaO2 
C)  Presence of large clots in the circuit 
D)  Presence of air bubbles 
A)  Narrowing of the premembrane and postmembrane PaCO2 
B)  Widening of the premembrane and postmembrane PaO2 
C)  Presence of large clots in the circuit 
D)  Presence of air bubbles

Question 6

Because the minimum flow rate required to remove condensation in the gas compartment usually results in excessive elimination of carbon dioxide, what should the therapist do?

Accepted Answer

A)  Reduce pump flow. 
B)  Blend sweep gas with a carbogen mixture. 
C)  Reduce the amount of oxygen blended in the sweep gas. 
D)  Add more oxygen to the sweep gas. 
A)  Reduce pump flow. 
B)  Blend sweep gas with a carbogen mixture. 
C)  Reduce the amount of oxygen blended in the sweep gas. 
D)  Add more oxygen to the sweep gas.

Exam 19: Extracorporeal Membrane Oxygenation

The therapist should evaluate raceway occlusion because too much roller tension could be associated with which of the following events?

Which of the following statements describes venoarterial ECMO?

What is the ECMO flow considered as minimal support?

What are the major advantages of venovenous ECMO?

How can membrane malfunction be suspected?

Because the minimum flow rate required to remove condensation in the gas compartment usually results in excessive elimination of carbon dioxide, what should the therapist do?

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