AMSECT – Questions And Correct Answers (Rated A+)
Which of the following factors affect the hematocrit of the final washed cell
product?
a
Bowl fill rate
b
Wash volume
c
Wash fill rate
d
Centrifuge speed
e
2 of the above ___, ___
f
All of the above Right Ans - f
All of the above
Decreasing the centrifuge during the wash cycle improves the washout of
plasma, providing a "cleaner" end product.
a
True
b
False Right Ans - a
True
Because it is defibrinoginated, post-operative mediastinal drainage may be
collected without the use of an anticoagulant, but it should be washed well to
remove the resulting fibrin split products which may contribute to DIC.
a
True
b
False Right Ans - b
False
Drainage from a post-operative collection system should be reinfused within 8
hours of initiation of the collection.
a
True
,b
False Right Ans - b
False
Any blood product collected for autologous use, but not used by the donor,
may not be eligible for entry into the general blood supply due to inadequate
donor screening.
a
True
b
False Right Ans - a
True
Which is not a characteristic of veno-arterial bypass during ECLS?
a
Controls perfusion by the pump flow
b
Alters right side of hemodynamic vales
c
Must be capable of providing total oxygen delivery and CO2 removal
d
Requires some pulmonary function
e
Provides cardiac and respiratory support Right Ans - d
Requires some pulmonary function
Which of the following are characteristic of veno-venous bypass?
a
Oxygenated extracorporeal blood is mixed with pulmonary blood
b
Normal right ventricular function is necessary
c
Arterial PO2 values mimic that of a V-A bypass
d
CVP, PAP or cardiac output parameters are unaffected
e
Recirculation occurs within the bypass circuit
(3) Right Ans - a, d, e
,The association between oxygen delivery (DO2) and oxygen consumption
(VO2) during ECLS is best expressed by:
a
SvO2
b
Arterial blood gas from the membrane lung
c
Normal MAP and PAP limits during bypass
d
Extracorporeal blood flow Right Ans - a
SvO2
The relationship between oxygen consumption and oxygen delivery can be
changed by manipulating the:
a
Hemoglobin
b
Pump flow
c
Patient's FiO2
d
Post oxygenator PO2
e
All of the above
(2) Right Ans - a, b
ECLS averages extracorporeal and pulmonary blood flow as a percent of the
total flow. Select the single factor that best expresses the result of mixing.
a
PO2
b
Saturation
c
Oxygen Content
d
Oxygen Consumption Right Ans - c
Oxygen Content
Activated clotting time during ECLS:
, a
Fluxuates and is a function of platelet count
b
Is best maintained by a continuous heparin drip
c
Is generally increased during washing
d
Usually increases after the infusion of platelets
e
Is normally kept at 300 seconds Right Ans - b
Is best maintained by a continuous heparin drip
Which one is not true regarding the M number for cannula selection?
a
Relates pressure-flow relationships of different cannulae
b
Can characterize the most optimal cannula
c
Standardizes all commercially available cannulae to an index number
d
Only pertinent to ECMO specific cannulae
e
Relates French size, internal diameter, wall thickness, length, and side hole
configuration to its value Right Ans - d
Only pertinent to ECMO specific cannulae
Patients on ECLS should be:
a
Kept paralyzed to prevent inadvertent movement or decannulation
b
Repositioned frequently to prevent atlectasis
c
Kept awake to evaluate neurologic status
d
Medicated only through peripheral IV sites
e
Kept supine and suctioned every four hours
(2 answers) Right Ans - b
Repositioned frequently to prevent atlectasis
Which of the following factors affect the hematocrit of the final washed cell
product?
a
Bowl fill rate
b
Wash volume
c
Wash fill rate
d
Centrifuge speed
e
2 of the above ___, ___
f
All of the above Right Ans - f
All of the above
Decreasing the centrifuge during the wash cycle improves the washout of
plasma, providing a "cleaner" end product.
a
True
b
False Right Ans - a
True
Because it is defibrinoginated, post-operative mediastinal drainage may be
collected without the use of an anticoagulant, but it should be washed well to
remove the resulting fibrin split products which may contribute to DIC.
a
True
b
False Right Ans - b
False
Drainage from a post-operative collection system should be reinfused within 8
hours of initiation of the collection.
a
True
,b
False Right Ans - b
False
Any blood product collected for autologous use, but not used by the donor,
may not be eligible for entry into the general blood supply due to inadequate
donor screening.
a
True
b
False Right Ans - a
True
Which is not a characteristic of veno-arterial bypass during ECLS?
a
Controls perfusion by the pump flow
b
Alters right side of hemodynamic vales
c
Must be capable of providing total oxygen delivery and CO2 removal
d
Requires some pulmonary function
e
Provides cardiac and respiratory support Right Ans - d
Requires some pulmonary function
Which of the following are characteristic of veno-venous bypass?
a
Oxygenated extracorporeal blood is mixed with pulmonary blood
b
Normal right ventricular function is necessary
c
Arterial PO2 values mimic that of a V-A bypass
d
CVP, PAP or cardiac output parameters are unaffected
e
Recirculation occurs within the bypass circuit
(3) Right Ans - a, d, e
,The association between oxygen delivery (DO2) and oxygen consumption
(VO2) during ECLS is best expressed by:
a
SvO2
b
Arterial blood gas from the membrane lung
c
Normal MAP and PAP limits during bypass
d
Extracorporeal blood flow Right Ans - a
SvO2
The relationship between oxygen consumption and oxygen delivery can be
changed by manipulating the:
a
Hemoglobin
b
Pump flow
c
Patient's FiO2
d
Post oxygenator PO2
e
All of the above
(2) Right Ans - a, b
ECLS averages extracorporeal and pulmonary blood flow as a percent of the
total flow. Select the single factor that best expresses the result of mixing.
a
PO2
b
Saturation
c
Oxygen Content
d
Oxygen Consumption Right Ans - c
Oxygen Content
Activated clotting time during ECLS:
, a
Fluxuates and is a function of platelet count
b
Is best maintained by a continuous heparin drip
c
Is generally increased during washing
d
Usually increases after the infusion of platelets
e
Is normally kept at 300 seconds Right Ans - b
Is best maintained by a continuous heparin drip
Which one is not true regarding the M number for cannula selection?
a
Relates pressure-flow relationships of different cannulae
b
Can characterize the most optimal cannula
c
Standardizes all commercially available cannulae to an index number
d
Only pertinent to ECMO specific cannulae
e
Relates French size, internal diameter, wall thickness, length, and side hole
configuration to its value Right Ans - d
Only pertinent to ECMO specific cannulae
Patients on ECLS should be:
a
Kept paralyzed to prevent inadvertent movement or decannulation
b
Repositioned frequently to prevent atlectasis
c
Kept awake to evaluate neurologic status
d
Medicated only through peripheral IV sites
e
Kept supine and suctioned every four hours
(2 answers) Right Ans - b
Repositioned frequently to prevent atlectasis
