Exercise Phys I and II Flashcards
moderated stress as interpreted as beneficial
eustress
why is MAP increased in exercise
establishes a gradient for blood to flow
what is the sympathetic target to activate heart
Beta one
what is the rough estimate to max HR
220-age
what are the factors tgat affect a-VO2 difference
- redistrubution of flow to active tissue
- increase capillary density
- increased # and size of mito
- increased oxidative enzymes
what has a higher affinity of oxygen, hemoglobin or myoglobin
myoglobin
what is the best indicator of fitness
VO2 max
what is the average VO2 max
30
What is the transporter that moves glucose to muscles and is insulin independent
GLUT 4
What is the transporter for movement of glucose into the brain and how does it work
GLUT3; facilitated diffusion
What transporter triggers the release of insultin
GLUT 2 in pancreases
At rest does skeletal muscle require insulin for uptake of glucose
Yes
Can you increase GLUT 4 density with training
Yes
Is the sweat response cholinergic or adrenergic
Cholinergic
What does aldosterone do
Reabsorption and retention of sodium