Worksheetsequations & normals
Total questions: 59
Worksheet time: 30mins
What is cerebral perfusion pressure (CPP)?
Blood flow to the brain
blood flow to the heart
blood flow to the lungs
blood flow to the limbs
What is the normal range for Cerebral perfusion pressure (CPP)?
30-50 mmHg
40-80 mmHg
70-90 mmHg
20-40 mmHg
What is the correct equation for Cerebral Perfusion Pressure (CPP)?
CPP=SVR-MIP
CPP=MAP-ICP
CPP=MAP-PEEP
CPP=ICP+MAP
Normal range for ICP?
10-20
25-35
15-25
5-10
What medication is used for ICP?
Metoprolol
Meloxicam
Manatole
Montelukast
What is the range for normal heart rate?
80-100
80-180
90-120
60-100
What is the normal Pulse Pressure?
50
40
35
60
What is the equations for Pulse Pressure?
Systolic pressure - Diastolic pressure
Systolic pressure + Diastolic pressure
Systolic pressure x Diastolic pressure
Systolic pressure / Diastolic pressure
What is the minimum MAP needed to maintain adequate tissue perfusion?
40 mmHg
50 mmHg
60 mmHg
70 mmHg
What is normal Mean Arterial Pressure or MAP?
73
83
93
63
What is the equation for Mean arterial pressure (MAP)?
SBP + (2DBP)/3
SBP - (2DBP)/CO
SBP x (2DBP)/3
SBP / (2DBP)/3
What is the normal range of cardiac output (CO)?
4 - 6
3 - 5
4 - 8
2 - 6
What is the normal cardiac output for neonates?
0.2 - 0.4
0.6 - 0.8
0.3 - 0.6
0.5 - 0.8
What are the 3 ways to measure Cardiac output (CO)?
1. Stroke volume
2. Fick equation
3. Thermal dialution
1 and 2 only
2 and 3 only
1, 2, and 3
2 and 3 only
What is the Cardia output, Fick equation?
Qt =
VO2/C(a-v)O2 x 10
Qt = HR x SV
CO = SV x HR
CO = Qt x C(a-v)o2
What is the cardia output, Stroke volume equation?
CO = HR x SV
Qt = HR x SV
CO = C(a-v)O2-SV
Qt = BP x HR
Normal Stroke volume in adults is..?
20 - 50
30 - 60
50 - 120
80 - 100
What is the normal stroke volume for neonates?
4 mL
6 mL
8 mL
5 mL
What is stroke volume?
how much blood is blood pumping through the body
how much volume is being pumped out of the heart
how much blood is being pumped out with each stroke
how much blood pumping through the heart
What happens to the cardiac output, when stroke volume decreases?
CO stays constant
CO increases
CO decreases
CO resets
What is the normal cardiac index for an adult?
2.5 - 4 L
0.2 - 5.0 L
1.0 - 4.0
3 - 6
Why is cardiac index more often used than cardiac output?
Because its more accurate then cardiac output
its more accurate because it goes by actual body size
its easier to remember
because cardiac output isn't always constant
What are some cause that can increase in Systemic vascular resistance or SVR?
1. hypotension
2. vasoconstriction
3. alergic reaction
1 and 3 only
2 and 3 only
1, 2, and 3 only
1 and 2 only
What are some causes that can cause systemic vascular resistance (SVR) to decrease?
1. vasodilators
2. anaphylaxis
3. allergic reaction
4. hypotension
1 and 2 only
2 and 3 only
1, 2, 3, and 4
1, 2, and 3 only
What side of the heart is the systemic vascular resistance pumped from?
left
right
middle
What is the normal range for Systemic Vascular Resistance?
5 - 15 mmHg/L/min
15 - 30 mmHg/L/min
15 - 20 mmHg/L/min
25 - 40 mmHg/L/min
What is the equation for determining SVR?
(MAP - CVP)/CO
(MAP - PCWP)/CI
(MPAP-PCWP)/CO
(MAP - PRV)/3
What is the normal range for pulmonary vascular resistance or PRV?
2 - 4 mmHg/L/min
1 - 3 mmHg/L/min
2 - 6 mmHg/L/min
1 - 4 mmHg/L/min
Increase in Pulmonary Vascular Resistance occurs in which of the following patients?
1. COPD
2. Pulmonary Embolism
3. Pulmonary hypertension
4. ARDS
1 and 2 only
1, 2 and 3 only
1, 2, 3 and, 4
2, 3 and 4 only
What is the equation for pulmonary vascular resistance (PVR)?
(MPAP-PVR)/CO
(MAP+PCWP)/CO
(MPAP - PCWP)/CO
(MAP - CVP)/CO
Pulmonary vascular resistance is pumped from which side of the heart?
left side
right side
Normal range for A-a gradient?
25 - 65
35- 65
55 - 75
15 - 35
V/Q mismatch normal range?
55 - 95
66 - 100
40 - 300
66 - 300
Shunt normal range?
< 300
> 500
> 300
< 150
Normal O2 content of blood is?
17 - 21
16 - 20
18 - 22
20- 22
A decrease in CaO2 is a result of which of the following?
1. anemia
2. trauma
3. hypoxemia
4. hypotension
1 and 2 only
2 and 4 only
1, 2, and 3 only
2, 3, and 4 only
CvO2 or mixed Venous O2 content is the O2 content of blood returning from tissues..
true
false
Normal CvO2 or mixed venous content is
12% vol%
15 vol%
18 vol%
20vol%
What kind of patient will present with a high measurement of C (a-v) O2?
patient with low stroke volume
patient with high stroke volume
patient with high cardiac output
patient with low cardiac output
What kind of patient will present with a low measurement of C (a-v) O2?
patient who is healthy
patient who is in shock
patient who is septic
patient who has experienced trauma
Normal range for C (a-v)O2 or Arterial Venous Content is?
3 - 5 vol%
4 - 6 vol%
2 - 4 vol%
5 - 7 vol%
Normal Oxygen Consumption or VO2 is?
300 - 450 mL/min
200 - 350 mL/min
400 - 550 mL/min
600 - 750 mL/min
At what percent of a shunt do we move to mechanical ventilation?
20 - 25%
30 - 35%
10 - 15%
5 - 10%
What are some diseases process that can cause a shunt?
1. pulmonary edema
2. pneumonia
3. ARDS
4. atelectasis
5. pulmonary embolism
1, 2, and 3 only
1, 2, 4, and 5
2, 3, and 4 only
1, 2, 3, 4, and 5
What is the normal range for SAO2
80 - 100
90 - 110
95 - 100
85 - 95
Normal oxygen index is?
<10
>10
<15
>15
As oxygen index increases it indicates that the patient is worsening?
true
false
At what percentage in a newborn should ECMO be indicated?
>20
>30
>40
>50
Normal Vd/Vt ratio for a normal patient is?
10 - 30%
20 - 30%
40 - 60%
20 - 40%
Normal Vd/Vt ratio of a patient on a vent is?
20 - 40%
30 - 50%
40 - 60%
50 - 100%
At what Vd/Vt ratio percentage does a normal person need to be vented?
40%
50%
60%
70%
What is normal minute ventilation?
<5
<8
<10
<12
What is the range for normal Stat compliance?
40 - 60
20 - 50
80 - 100
60 - 100
What is the normal range for Dynamic Compliance?
35 - 50
45 - 60
25 - 45
65 - 85
What is normal shunt percentage?
<6%
10 - 20%
20 - 30%
<5%
What is considered mild shunt range?
10 - 20%
40 - 50%
70 - 80
15- - 25%
What should be considered a sever shunt percentage?
greater than 50%
greater than 10%
greater than 30%
greater than 20%
What is considered to be a significant shunt percentage?
10 - 20%
30 - 40%
60 - 70%
20 - 30%
What is the alveolar minute ventilation equation?
(Vt - Vd) x f
(Vt - Vd)-f
(Vt - f) x Vd
(Vd + Vt) x f
