1. Consider the model of the cardiovascular system shown below, where five organs are arranged in parallel. Hint: remember how we calculate flow through individual vessels versus flow through the entire circulation. organ #1 0.5 L/min Vz organ #2 1.0 L/min PRA= 0 mmHg V3 a₁ MAP= 100 mmHg organ #3 2.0 L/min aa 20 Distance from heart (cm) V4 organ #4 84 1.0 L/min Vs organ #5 0.5 L/min 20 40 40 a. Calculate the cardiac output (CO) for this system. b. Calculate the resistance (R) across each organ in the system. c. Calculate the total peripheral resistance (TPR) across the whole system. (2 points) (2 points) (2 points) d. What is the relationship between TPR and R across individual organs arranged in parallel? Hint: think about electrical circuits. (2 points) e. At any point in the system, Ptotal Phydrostatic + Ppump, where Ppump is the pressure due to the action of the heart and Phydrostatic is the "weight" of the column of blood. Phydrostatic = 0.75 mmHg/cm. i. Calculate the pressure at each point "a" and "v" and AP... for each organ for a subject lying down (i.e. horizontal). (2 points) ii. Calculate the pressure at each point "a" and "v" and AP., for each organ for a subject standing upright (i.e. vertical). (2 points)
1. Consider the model of the cardiovascular system shown below, where five organs are arranged in parallel. Hint: remember how we calculate flow through individual vessels versus flow through the entire circulation. organ #1 0.5 L/min Vz organ #2 1.0 L/min PRA= 0 mmHg V3 a₁ MAP= 100 mmHg organ #3 2.0 L/min aa 20 Distance from heart (cm) V4 organ #4 84 1.0 L/min Vs organ #5 0.5 L/min 20 40 40 a. Calculate the cardiac output (CO) for this system. b. Calculate the resistance (R) across each organ in the system. c. Calculate the total peripheral resistance (TPR) across the whole system. (2 points) (2 points) (2 points) d. What is the relationship between TPR and R across individual organs arranged in parallel? Hint: think about electrical circuits. (2 points) e. At any point in the system, Ptotal Phydrostatic + Ppump, where Ppump is the pressure due to the action of the heart and Phydrostatic is the "weight" of the column of blood. Phydrostatic = 0.75 mmHg/cm. i. Calculate the pressure at each point "a" and "v" and AP... for each organ for a subject lying down (i.e. horizontal). (2 points) ii. Calculate the pressure at each point "a" and "v" and AP., for each organ for a subject standing upright (i.e. vertical). (2 points)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
Related questions
Question
struggling with this homework question.
Transcribed Image Text:1. Consider the model of the cardiovascular system shown below, where five organs are arranged
in parallel. Hint: remember how we calculate flow through individual vessels versus flow
through the entire circulation.
organ #1
0.5 L/min
Vz
organ #2
1.0 L/min
PRA=
0 mmHg
V3
a₁
MAP=
100 mmHg
organ #3
2.0 L/min
aa
20
Distance from heart (cm)
V4
organ #4
84
1.0 L/min
Vs
organ #5
0.5 L/min
20
40
40
a. Calculate the cardiac output (CO) for this system.
b. Calculate the resistance (R) across each organ in the system.
c. Calculate the total peripheral resistance (TPR) across the whole system.
(2 points)
(2 points)
(2 points)
d. What is the relationship between TPR and R across individual organs arranged in parallel?
Hint: think about electrical circuits.
(2 points)
e. At any point in the system, Ptotal Phydrostatic + Ppump, where Ppump is the pressure due to the
action of the heart and Phydrostatic is the "weight" of the column of blood. Phydrostatic = 0.75
mmHg/cm.
i. Calculate the pressure at each point "a" and "v" and AP... for each organ for a subject
lying down (i.e. horizontal).
(2 points)
ii. Calculate the pressure at each point "a" and "v" and AP., for each organ for a subject
standing upright (i.e. vertical).
(2 points)
AI-Generated Solution
AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.
Unlock instant AI solutions
Tap the button
to generate a solution
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)
Anatomy and Physiology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
Anatomy & Physiology
Anatomy and Physiology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
Human Anatomy
Anatomy and Physiology
ISBN:
9780135168059
Author:
Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher:
Pearson Education, Inc.,
Human Anatomy & Physiology (11th Edition)
Anatomy and Physiology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
Anatomy & Physiology
Anatomy and Physiology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
Human Anatomy
Anatomy and Physiology
ISBN:
9780135168059
Author:
Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher:
Pearson Education, Inc.,
Anatomy & Physiology: An Integrative Approach
Anatomy and Physiology
ISBN:
9780078024283
Author:
Michael McKinley Dr., Valerie O'Loughlin, Theresa Bidle
Publisher:
McGraw-Hill Education
Human Anatomy & Physiology (Marieb, Human Anatomy…
Anatomy and Physiology
ISBN:
9780321927040
Author:
Elaine N. Marieb, Katja Hoehn
Publisher:
PEARSON