Spring 2024 Exam 1 Formulas and values

Question 1

MAP (formula)

same as MPAP formula

Answer 1

Diastolic + 1/3 (SBP - DBP)

Question 2

MAP (value)

Answer 2

100 mmHg

Question 3

CVP/RAP (value)

Answer 3

0 mmHg

Question 4

Left Atrium Pressure

Answer 4

2 - 6 mmHg

Question 5

Left Ventricular Pressure

Answer 5

2 - 120 mmHg

Question 6

Systole Aortic Pressure

Answer 6

80 - 120 mmHg

Question 7

Diastole Aortic Pressure

Answer 7

80 - 100 mmHg

Question 8

Mean Pulmonary Arterial Pressure (value)

Answer 8

16 mmHg

1/7 of MAP

Question 9

Cardiac Output (formula)

Answer 9

HR x SV

Question 10

Cardiac Output (normal value)

Answer 10

5 L/min

Question 11

Cardiac Index (formula)

Answer 11

Cardiac Output / BSA

Question 12

Cardiac Index (normal value)

Answer 12

5L CO / 1.7 BSA = 3 Liters

Question 13

Stroke Volume (formula)

Answer 13

End Diastolic Volume - End Systolic Volume
(EDV - ESV)

and

EDV x EF

Question 14

Stroke Volume (normal value)

Answer 14

70 mL

Question 15

End Systolic Volume (normal value)

Answer 15

50 mL

Question 16

End Diastolic Volume (normal value)

Answer 16

120 mL

Question 17

Mitral Valve opens

Answer 17

2 mmHg

Question 18

Aortic Valve opens (Afterload)

Answer 18

80 mmHg

Question 19

Fick Equation

Answer 19

O2 absorbed (mL/min) /
Arteriovenous O2 difference (mL/blood)

O2 metabolism / (ABG - VBG)

Question 20

Aortic valve closes

Answer 20

100 mmHg

Question 21

Ohms Law

Answer 21

delta P = Flow x Resistance

Question 22

Resistance

Answer 22

delta P / Flow

Question 23

Venous Return (formula)

Answer 23

(Psf - RAP) / RVR

Question 24

Venous Return (value)

Answer 24

5 L/min

same as Cardiac Output

Question 25

Psf (normal value)

Answer 25

7 mmHg

Question 26

SVR (Guyton and Miller formulas)

Answer 26

Guyton: (MAP - RAP) / C.O.
*PRU (mmHg / mL/sec)

Miller: [(MAP - RAP) / C.O.] x 80
*CGS mmHg / L/min

Question 27

What is C.O. of 6 L/min converted into mL/sec?

Answer 27

~ 100 mL/sec

Question 28

PVR (Guyton and Miller formula)

Answer 28

Guyton: (MPAP - LAP) / C.O.
*PRU (mmHg / mL/sec)

Miller: [(MPAP - LAP) / C.O.] x 80
*CGS (mmHg / L/min)

Question 29

SVR (value)

Answer 29

800 -1600 dynes sec/cm5

Question 30

PVR (value)

Answer 30

80 dynes sec/cm5

Question 31

What is PRU?

Answer 31

Peripheral Resistance Unit

mmHg / mL/sec

Question 32

What is CGS?

Answer 32

cm gram per second

mmHg / L/min = dynes sec / cm5

Question 33

How to convert PRU to CGS?

Answer 33

1 PRU x 1333 = 1333 CGS

Question 34

Arterial oxygen content

Answer 34

20 mL/dL

Question 35

Mixed Venous oxygen content

Answer 35

15 mL/dL

Question 36

Mixed venous oxygen saturation

Answer 36

75 %

bound to Hgb

Question 37

Arteriovenous oxygen difference

Answer 37

5 mL/dL

Question 38

Oxygen consumption of body

Answer 38

~ 250 mL/min

Question 39

Systemic Capillary formula

Answer 39

Pcap - Pif - πp + π if

Question 40

for every 1.36 cm below the heart equals

Answer 40

1 mmHg

Question 41

What is the meters between the mid heart and foot?

Answer 41

1.5 meters

Question 42

Sagittal sinus pressure

Answer 42

-10 mmHg

Question 43

Venous pressure on Upper Extremitiy

Answer 43

+7 mmHg

effects of gravity on A-V with the column of blood above measuring point

Question 44

Pressure on Foot

Answer 44

+90 mmHg

Question 45

Blood distribution in:
Sytemic?
Pulmonary?
Heart?

Answer 45

Sytemic = 84%
Pulmonary = 9%
Heart = 7%

Question 46

Ejection Fraction (formula)

Answer 46

Stroke Volume / End Diastolic Volume

SV / EDV

Question 47

1st Heart sound time

Answer 47

0.14 seconds

Question 48

2nd Heart sound time

Answer 48

0.11 seconds

Question 49

What’s the range of human hearing?

Answer 49

20 Hz - 20 KHz

Question 50

Expiration thoracic pressure

Answer 50

-4 mmHg

Question 51

Inspiration thoracic pressure

Answer 51

-6 mmHg