Page | 1
CLINICAL APPLICATION OF
PERFUSION EXAM 2025 BRAND NEW
ACTUAL EXAM WITH ANSWERS.
What percent of blood flow is the heart, brain, kidney, and liver? -
correct answer -heart--> 4-5%
brain-15%
kidneys--> 20 %
liver 30%
Blood volume in tubing sizes? - correct answer -1/4=10 ml/ft
3/8=20 ml/ft
1/2=40 ml/ft
5/8=50 ml/ft
What position should you place the bed in when air embolism
occurs? - correct answer -steep trendlenberg
, Page | 2
Why is sodium pentathol used during air embolism events? -
correct answer -Decreases brain metabolism.
In cases of total anomalous pulmonary venous return, where does
the blood return to? - correct answer -Returns to the right
ventricle.
Calcium when given with the cross clamp may lead to ? - correct
answer -stone heart syndrome
What is the only source of blood return to the right heart during
total bypass? - correct answer -coronary sinus blood
At what part of contraction is Aortic insufficiency worst? - correct
answer -during the start of ventricular diastole
When banked blood is given in large quantities what may also
need to be given? - correct answer -Calcium
citrate in banked blood kelates caclium
, Page | 3
What is the universal recipient of banked blood? - correct answer
-AB positive
What type of drug will increase myocardial contractility and
increase O2 consumption? - correct answer -positive inotrope
Besides keeping the PDA patent what else will prostaglandin E do
to the patients vascular system? - correct answer -decrease the
blood pressure and SVR
What hormone is secreted by the anterior pituitary gland? -
correct answer -ADH
The sodium potassium pump pumps_____ in and _____ out of
the cell. - correct answer -potassium in
sodium out
What % of blood is made up by red blood cells? - correct answer -
45%
, Page | 4
The AV node is located where in the heart? - correct answer -right
atrium
When giving retrograde cerebral perfusion how is blood returned
to the heart? - correct answer -through the subclavian typically
What is bubble point pressure? - correct answer -The pressure at
which gas will start to come out of solution.
How much will oxygen consumption be reduced if the patient is 30
degrees celsius? - correct answer -50%.
O2 consumption goes down by 50% for every 7 degrees cooled.
(i.e
What is a direct path of blood to the right atrium when the vena
cava is blocked? - correct answer -azygous veins
CLINICAL APPLICATION OF
PERFUSION EXAM 2025 BRAND NEW
ACTUAL EXAM WITH ANSWERS.
What percent of blood flow is the heart, brain, kidney, and liver? -
correct answer -heart--> 4-5%
brain-15%
kidneys--> 20 %
liver 30%
Blood volume in tubing sizes? - correct answer -1/4=10 ml/ft
3/8=20 ml/ft
1/2=40 ml/ft
5/8=50 ml/ft
What position should you place the bed in when air embolism
occurs? - correct answer -steep trendlenberg
, Page | 2
Why is sodium pentathol used during air embolism events? -
correct answer -Decreases brain metabolism.
In cases of total anomalous pulmonary venous return, where does
the blood return to? - correct answer -Returns to the right
ventricle.
Calcium when given with the cross clamp may lead to ? - correct
answer -stone heart syndrome
What is the only source of blood return to the right heart during
total bypass? - correct answer -coronary sinus blood
At what part of contraction is Aortic insufficiency worst? - correct
answer -during the start of ventricular diastole
When banked blood is given in large quantities what may also
need to be given? - correct answer -Calcium
citrate in banked blood kelates caclium
, Page | 3
What is the universal recipient of banked blood? - correct answer
-AB positive
What type of drug will increase myocardial contractility and
increase O2 consumption? - correct answer -positive inotrope
Besides keeping the PDA patent what else will prostaglandin E do
to the patients vascular system? - correct answer -decrease the
blood pressure and SVR
What hormone is secreted by the anterior pituitary gland? -
correct answer -ADH
The sodium potassium pump pumps_____ in and _____ out of
the cell. - correct answer -potassium in
sodium out
What % of blood is made up by red blood cells? - correct answer -
45%
, Page | 4
The AV node is located where in the heart? - correct answer -right
atrium
When giving retrograde cerebral perfusion how is blood returned
to the heart? - correct answer -through the subclavian typically
What is bubble point pressure? - correct answer -The pressure at
which gas will start to come out of solution.
How much will oxygen consumption be reduced if the patient is 30
degrees celsius? - correct answer -50%.
O2 consumption goes down by 50% for every 7 degrees cooled.
(i.e
What is a direct path of blood to the right atrium when the vena
cava is blocked? - correct answer -azygous veins
