Name:

Cardiovascular Physiology
 
Exercise 1: Cardiac Cycle

Questions

A. What is the cardiac cycle?
Answer

B. What two stages are there to ventricular filling? 
Answer

C. Why does ventricular volume drop after ventricular pressure reaches its peak? 
Answer

D. Can you correlate anything to the QRS complex (tall spike on ECG graph)?  Does anything else on the other graphs line up / happen at the same time? 
Answer

Exercise 2: Blood Pressure

Observations:

Resting Blood Pressure ___________ mm/Hg

“Walking” Blood Pressure ___________mm/Hg

“Rushing” Blood Pressure ___________mm/Hg

Questions:

A.	Explain what blood pressure is.
Answer

B.	Based on your results, what happens to your blood pressure as your Exercise level changes? 
Answer

C.	Why is a resting blood pressure a more accurate measurement of the actual dynamics of your cardiovascular system? 
Answer

D.	Why is consistently high blood pressure dangerous? 
Answer

E.	Why are persons with high blood pressure advised to reduce the amount of salt in their diets? 
Answer

Exercise 3: Measuring a Pulse

Observations:               

Data Table 1:					Data Table 2:

Pulse	Pulse Rate (beats/min.)	
Radial		
Carotid		
Popliteal		
Radial Pulse	Pulse Rate  (beats/min.)	
Sitting		
Standing		
After Exercise		

Questions:

A.	What is a pulse?
Answer

B.	What information, besides beats per minute, could you deduce from a person’s pulse rate? 
Answer