KINESIOLOGY 1300: UTA: TEST 2 QUESTIONS WITH COMPLETE SOLUTIONS

KINESIOLOGY 1300: UTA: TEST 2 QUESTIONS WITH COMPLETE
SOLUTIONS




1) Heredity accounts for about -- Answer ✔✔ 40%



2) Women have ___% less than men due to ____ ____ -- Answer ✔✔ 15, body
fatness



3) What relationship exists between altitude and VO2 max -- Answer ✔✔ inverse



4) A ______ in O2 pressure with a rise in altitude = ______ in arterial oxygen
content = _______ HR for a given work load -- Answer ✔✔ decrease,
decrease, increase



5) After a ___% concentration of CO, there is a ___% drop in VO2 max for every
___% CO increase in the blood -- Answer ✔✔ 4, 1, 1

,6) Lactate and Ventilatory threshold is -- Answer ✔✔ where the lactate
concentration and the pulmonary ventilation increase suddenly



7) Lactate and Ventilatory threshold typically occurs at ____% to ___% VO2 max -
- Answer ✔✔ 50, 80



8) Training causes the lactate threshold to occur at ______ exercise intensities in a
GXT -- Answer ✔✔ higher



9) For a fixed submaximal exercise test, the blood lactate level will be ____ at any
given workload following a 12-week endurance training program -- Answer ✔✔
lower



10) VO2= -- Answer ✔✔ cardiac output x (a-V)O2 difference



11) Cardiac output= -- Answer ✔✔ heart rate x stroke volume



12) (a-V)O2 difference is -- Answer ✔✔ the ability of the muscles to extract O2
from the blood stream



13) Endurance training's effect on cardiac output at rest -- Answer ✔✔ same



14) Endurance training's effect on cardiac output at submaximal -- Answer ✔✔ same



15) Endurance training's effect on cardiac output at maximal work -- Answer ✔✔
higher

, 16) Endurance training's effect on stroke volume at rest -- Answer ✔✔ higher



17) Endurance training's effect on stroke volume at submaximal -- Answer ✔✔
higher



18) Endurance training's effect on stroke volume at maximal work -- Answer ✔✔
higher



19) Endurance training's effect on heart rate at rest -- Answer ✔✔ lower



20) Endurance training's effect on heart rate at submaximal -- Answer ✔✔ lower



21) Endurance training's effect on heart rate at maximal work -- Answer ✔✔ no
change or slightly lower



22) Following a 12 week endurance training program, the stroke volume response to
a fixed submaximal exercise test is ____ compared to that measured before the
training program -- Answer ✔✔ higher



23) Following a 12 week endurance training program, the cardia output response to a
fixed submaximal exercise load or intensity is the ____ compared to that
measured before the training program -- Answer ✔✔ same



24) RPP is -- Answer ✔✔ the measure of the myocardial oxygen demand