Exercise Physiology Lab Exam 1 Questions with
100% Verified Answers UPDATED!!!
Aerobic Metabolism - ANSWER Aerobic metabolism provides
most of the energy for activities lasting more than 2-3 minutes
Aerobic Metabolism - ANSWER With oxygen" / Long-term
source of ATP
Differ from anaerobic in what ways?
-Presence of oxygen
-Speed of ATP production
Pathways used:
•Glycolysis
•Krebs cycle (citric acid cycle)
•Beta-oxidation
•Electron transport chain
Air % - ANSWER Room Air
20.93% Oxygen
0.03% Carbon Dioxide
Rest is Nitrogen
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O2 content of expired air is 17%
At Rest - ANSWER At rest, the energy requirements of the
various tissues of the body are met by aerobic (oxidative)
metabolism
ATP Anaerobic Production - ANSWER ATP-PC system
-Stored ATP
Glycolysis
-The primary system for ATP production for activities lasting a
maximum of 2-3 minutes.
The incomplete breakdown of glucose or glycogen
Glucose > 2 Pyruvate > Lactate + 2 or 3 ATP
Conversion to VE (STPD) - ANSWER VE (STPD) = VE (ATPS) x
STPD conversion factor
Cycle - ANSWER =resistance(kp)x(revolutions/minx6
m/revolution)
Energy - ANSWER Capacity to do work
Units the same as work
Motion (Kinetic Energy)
Position (Potential Energy)