CV response to exercise

Q; SV; HR

during short term light-moderate submax aerobic exercise ____ , _____ ,and ____ increase and then plateau because we are able to transport enough O2 to meet metabolic demands

increases; Q

during short term light-moderate submax aerobic exercise SBP ____ and then plateaus due to increased ____

decrease

during short term light-moderate submax aerobic exercise DBP may ____ slightly

increases

during short term light-moderate submax aerobic exercise MAP ____ but less than SBP, and then plateaus at steady state w/in 2 min

decreases; vasodilation

during short term light-moderate submax aerobic exercise TPR ____ rapidly and then plateaus due to _____

increases; HR

during short term light-moderate submax aerobic exercise RPP ___ and then plateaus due to increased ____ and SBP

- more O2 required by heart

increases

during long term moderate-heavy submax aerobic exercise Q ____ rapidly and then plateaus

- greater absolute increase than light-moderate

increases; negative

during long term moderate-heavy submax aerobic exercise SV ____ rapidly and then plateaus, however a ____ drift occurs after around 30 mins due to thermoregulatory stress

- sweating takes some BV away from heart

increases; positive

during long term moderate-heavy submax aerobic exercise HR ____ rapidly and then plateaus, however, a ____ drift occurs after around 30 mins in order to maintain cardiac output

- SV decreased so HR has to make up for it

increases; negative

during long term moderate-heavy submax aerobic exercise SBP ____ rapidly and then plateaus and eventually has a ____ drift due to continued vasodilation and decrease in resistance

decrease

during long term moderate-heavy submax aerobic exercise DBP may slightly ____ due to vasodilation

modest

during long term moderate-heavy submax aerobic exercise MAP has a ____ increase

decreases; negative

during long term moderate-heavy submax aerobic exercise TPR ____ rapidly and then plateaus and eventually has a slight ____ drift due to vasodilation in active skeletal muscle and cutaneous vessels

increases; positive

during long term moderate-heavy submax aerobic exercise RPP ____ rapidly and then plateaus and eventually has a ____ drift after around 30 mins due to HR increase (>SBP decrease)

- increased HR = increased workload of heart

increases

during aerobic exercise to maximum Q ____ with a plateau at max

- after 40-50% of VO2max this increase is due to HR (untrained)

increases; 40-50%

during aerobic exercise to maximum SV ____ initially but plateaus at ____ to ____% of VO2max

- only so much blood to be pumped (increased HR=decreased ventricular filling=decreased SV)

increases

during aerobic exercise to maximum HR ____ with a plateau at max

increases

during aerobic exercise to maximum SBP ____ with a plateau at max

- due to increased Q (>decreased R)

decrease

during aerobic exercise to maximum DBP may ____ or not change at all

increase

during aerobic exercise to maximum MAP has a small ____

decreases; vasodilation

during aerobic exercise to maximum TPR ____ curvilinearly due to ____

- keeps MAP from increasing too much

increases

during aerobic exercise to maximum RPP ____ with a plateau at max

increase

during static exercise Q has a modest ____ due to increased HR

low; decreases

during static exercise SV is relatively constant at ____ workloads and ____ at high workloads

- due to occlusion (decreased venous return=decreased preload=increased afterload)

increase

during static exercise HR has a modest gradual ____

- depends on intensity

increase

during static exercise SBP, DBP, and MAP have a marked steady ____

- due to occlusion

decreases

during static exercise TPR ____

increase

during static exercise RPP has a marked steady ____

- due to increased HR and SBP (more workload)

increases

while holding a 30 min quad contraction at 5% MVC blood flow ____ during the contraction and then drops off during relaxation

following

while holding a 4 min quad contraction at 25% MVC BF is highest ____ the contraction because of a phenomenon called reactive hyperemia

- during the contraction anaerobic pathways are primarily used and thus don't rely on O2 in blood

increase

during dynamic resistance exercise Q has a modest gradual ____

decrease

during dynamic resistance exercise SV has little change but maybe a slight ____

- due to occlusion

increases

during dynamic resistance exercise HR, SBP, and MAP ____ gradually with the number of reps performed

change

during dynamic resistance exercise DBP has no ____

increase

during dynamic resistance exercise TPR has a slight ____ due to the pressor response

increases

during dynamic resistance exercise RPP ___ gradually with the number of reps performed

- due to increased myocardial O2 consumption, increased HR and increased SBP

increase

during reps till failure HR has a constant ___ until failure is reached

decreases; increases

during reps till failure MAP ___ during the eccentric contraction and ____ during the concentric contraction

skeletal; volume

during light aerobic exercise 47% of Q is distributed to ____ muscle but the heart receives the same percentage of Q but there is more ____

Q; greater

during heavy exercise the skeletal muscle receives 71% of ____ and the heart still receives the same percentage of Q but the volume is ___