Physiologic changes during exercise

Question 1

How does the body regulate venous return of blood from the working skeletal muscles back to the heart?

Answer 1

skeletal muscle pump

vasoconstriction of blood vessels

Question 2

Watch AEP for blood pressure response,pulse pressure and ventilation calculation

Answer 2

you have to…. DAMN

Question 3

What is the Borg Scale

Answer 3

rating of perceived exertion starting at 6 and terminating at max 20

Question 4

Do not start exercise when

Answer 4

HR is greater than 120 or less than 50
SBP greater than 200 or less than 100
DBP less than 110
O2 sats less than 90 percent

Question 5

___ and ___ should increase as workload increased

Answer 5

HR, SBP

Question 6

____ should remain the same plus or minus ____ during exercise

Answer 6

DBP 10mmHg

Question 7

How do you convert to METs after you find their VO2

Answer 7

divide by 3.5

Question 8

How does the body respond to exercise to enable working muscles to get the oxygen rich blood they need

Answer 8

mass discharge of sympathetic nervous system

increased arterial blood pressure and cardiac output