Ch. 19 Study Guide

1.  Define hemodynamics.

2.  Which structures are considered to be a part of the major conduction system of the heart?

3.  Know the structural and functional characteristics of the four major structures in item 1 of the conduction system of the heart.

4.  Know the specific sequence of cardiac stimulation through the conduction system of the heart.

5.  What is an electrocardiogram and what does it measure?

6.  What are the wave types of an EKG and what do they indicate?

7.  What are the five steps of the cardiac cycle? What is occurring at each of the steps? Be specific.

8.  What are the heart sounds and when do they occur?

9.  Know the primary principle of blood flow circulation

10.  Know the general principles and definitions associated with arterial blood pressure

11.  Know the relationship between arterial blood flow and blood volume (Figure 19-20)

12.  What are the factors that affect stroke volume?

13.  What determines cardiac output?

14.  What are the reflexes that increase/decrease the heart rate?

15.  What is peripheral resistance and what factors influence it?

16.  What is the vasomotor control mechanism and what are the parts involved?

17.  What are the two kinds of venous pumps and what effects do they have on venous return?

18.  What are the ways in which venous blood is returned to the heart?

19.  What are the mechanisms that change total blood volume and what are their secretions?

Ch. 20 Study Guide

1.  What are the functions of the lymphatic system?

2.  What are the lymph organs?

3.  What are the components of the lymphatic system and their physical characteristics and functions?

4.  Know the properties of lymphatic vessels and their role in drainage

5.  What are lacteals?

6.  What are the functions of lymphatics?

7.  Structural characteristics of lymphatics vs. veins

8.  What is the pathway for the circulation of lymph from the lymphatic capillaries and veins?

9.  Know the functions of lymph nodes and mechanisms for carrying out functions

10.  Know the functions of the thymus and location and structure

11.  Know the function, location, and structure of the spleen

12.  Know the blood storage volume of the spleen