ODULE 1 ANAT SC 1103 The Cardiovascular System II Human Biology IB
Student Name: ______________________________________ Student ID: _________________________ 1
Tutorial 2 (Week 3)
Cardiovascular System II Cardiovascular System – The Heart and Cardiac Cycle Pre-Tutorial Question (To be completed prior to the tutorial session) 1. Label numbered parts on the image below and assign a function to each constituent.
1. 2. 3. 4. 5. 6. 7.
1.
2.
3.
4.
5.
7.
8.
9.
10.
11.
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13.
6.
MODULE 1 Tutorial 2: Cardiovascular System II
Student Name: ______________________________________ Student ID: _________________________ 2
8. 9 10. 11. 12. 13. 2. Annotate the direction of blood flow on the image below. Use arrows and different colours or line patterns to indicate the direction of flow and distinguish between deoxygenated and oxygenated blood. Label entry and exit points of blood into and from the heart, and destination tissues of blood exiting the heart.
MODULE 1 ANAT SC 1103 The Cardiovascular System II Human Biology IB
Student Name: ______________________________________ Student ID: _________________________ 3
Tutorial Exercises (To be completed during the tutorial session)
1. Please refer to Figure 1, a diagrammatic representation of sagittal and transverse cross-
sections of the heart.
Identify unlabelled structures.
Figure 1: Human heart cross-sections
2. Please refer to Figure 2, which shows a drawing of an unidentified closed human heart
valve.
Identify the structures and relate structure to function.
Figure 2: Human Heart Valve
X
Y
MODULE 1 Tutorial 2: Cardiovascular System II
Student Name: ______________________________________ Student ID: _________________________ 4
a. What is the function of valves in the heart?
b. The valve shown in Figure 2 is closed. Identify the structures labelled X and Y, and
briefly describe their functions:
c. What is the name of this valve? Explain your answer.
d. Why are structures X and Y not present on all heart valves?
3. In preparation for the World Cup, Cristiano Ronaldo, sleeps in a low oxygen environment
(a hypoxic tank with 15% O2 saturation). Why do you think his coaching/medical team would have recommended this?
MODULE 1 ANAT SC 1103 The Cardiovascular System II Human Biology IB
Student Name: ______________________________________ Student ID: _________________________ 5
Suggest other possible ways for Cristiano to achieve the same result?
4. David Letterman has just been diagnosed with life threatening arrhythmia. What is
arrhythmia?
As his cardiologist, what possible interventions would you recommend and why?
After undergoing the recommended procedure, David receives a long list of restrictions to his postoperative activities. One of the points on that list states;
“Do not move your elbows higher than your shoulders for 4 weeks after the surgery.”
Why do you think this is important? What are the possible consequences for David if he decided not to follow these instructions?
MODULE 1 Tutorial 2: Cardiovascular System II
Student Name: ______________________________________ Student ID: _________________________ 6
5. In the diagram below, provide a description of events that would take place in response to an increase/decrease in blood pressure.
Homeostasis
Normal range of blood pressure
Rising blood
pressure
Falling blood
pressure
MODULE 1 ANAT SC 1103 The Cardiovascular System II Human Biology IB
Student Name: ______________________________________ Student ID: _________________________ 7
6. In the diagram below, provide a description of events that would take place in response
to an increase in CO2 levels, decreasing pH and decreasing levels of O2 in blood.
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Copyright Regulations 1969
WARNING This material has been reproduced and communicated to you by or on behalf of Adelaide University pursuant to Part VB of the Copyright Act
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Do not remove this notice.
Homeostasis
Normal pH, O2 and CO2
levels
Elevated CO2, decreased pH and O2
levels
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- (a):
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- Name:
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