Module Study Guide

04.04 DBA and Exam Module Study Guide

Lesson 04.01: Cardiovascular System

 Describe some of the effects that dilated blood vessels will have on blood pressure.  Describe some of the effects that expanded blood vessels will have on blood pressure.  What effect will an increased heart rate have on blood pressure?  What effect will a decreased heart rate have on blood pressure?  What relationship will water volume have on blood pressure?  What relationship will blood volume have on blood pressure?  Be sure to look up the meaning of proximal and distal (this is not included in the lesson)

Lesson 4.01 Honors: Blood Vessels & Electrocardiograms

 Be able to identify the following on a diagram………. o Atrial Depolarization o Atrial Repolarization o Ventricular Depolarization o Ventricular Repolarization  Be able to explain what is measured by each of the following……… o P Wave o T Wave o QRS Complex  Which layer(s) do all blood vessels have in common?  Describe the structure and function of capillaries.  What role does smooth muscle play in blood vessels, and where is it located?  Which type of blood vessel is the thickest?  Which type of blood vessel has the greatest amount of blood pressure?  What allows arteries to increase in size as they become filled with blood?  What role do valves play in blood flow?  Name and briefly describe the three main layers of blood vessels  What tissues are likely to be found in arteries?  What tissues are likely to be found in veins?  What mechanisms ensure that blood continuously flows throughout our body?

1 Lesson 4.02: Components of Blood

 What causes hemophilia and what effect does it have in the clotting process?  Identify some symptoms of anemia?  What causes white blood cell counts to increase and decrease?  What causes red blood cell counts to increase and decrease?  What can occur if there is an abnormally high amount of platelets in the body?  If a person is anemic, which type of blood cell is likely to be found in smaller quantities?  What role will hemoglobin play in anemia?  Is anemia a disease that can be inherited? Why or why not?  What are some symptoms associated with Cooley’s anemia?  How would a reduction in platelets affect bleeding?  What are some causes of a stroke?  What is likely to happen if your white blood cell count is below normal?  What is likely to happen if your red blood cell count is below normal?  What can be inherited through erythroblastic anemia?  How would the appearance of red blood cells differ in a person that has anemia?  How will amounts of oxygen be affected in a person that has anemia?  What symptoms are likely to occur in a person with beta-thalassemia?  Can anemia be treated with a blood transfusion? Explain  Can all types of anemia be treated with excessive iron supplements? Explain

Lesson 4.03: Hemostasis, Typing, and Transfusion

 What makes Type O blood different than A, B, and AB?  How are you able to tell if antibodies are found in blood plasma?  Be able to determine which blood types can and cannot be donated and received………. o A o B o AB o O  What role do antigens play in our blood?  What role do antibodies play in our blood?  Identify the correct steps of blood clotting after a cut occurs.

2  What role does a platelet plug play in the clotting process?  What role does a vascular spasm play in the clotting process?  What role does fibrin play in the clotting process?