EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES|ALREADY GRADED A+
Stroke volume - (ANSWER)Amount of blood pumped wirh each beat, or systole
Heart rate - (ANSWER)Number of time the heart beats each minute
Cardiac output - (ANSWER)Blood pumped per minute
Ischemia - (ANSWER)Lack of blood flow
Infarction - (ANSWER)Blockage of
Blood flow
Valsalva maneuver - (ANSWER)Occurs when a person holds his breath dueing a strenuous activity
Minute ventilation - (ANSWER)Total amount of air breathed per minute
Residual lung colume - (ANSWER)Amount of air remaining in the lungs after a complete and total forced
exhale
Forced vital capacity - (ANSWER)Amount of air that can be forcefully exhaled after a maximal inhale;
Value measured during some fitness assessments
Total lung capacity - (ANSWER)Sum of the residual volume and the forced vital capacity
Phosphagen system - (ANSWER)Very fast creation of ATP from CP; creates < 1 mole of energy
, AFAA PERSONAL TRAINER CERTIFICATION EXAM AND PRACTICE EXAM ACTUAL
EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES|ALREADY GRADED A+
Anaerobic glycolytic system - (ANSWER)Fast peoduction of ATP from glucose, mainly used in sports
during intense execise
Aerobic system - (ANSWER)Slow producrion of glucose, fat and peotein into ATP; good for endirance,
exercise at low to moderate level
Anaerobic threshold - (ANSWER)Point during exercise at which the work becomes so intense thst muscle
cells cannot produce additional energy aerobically
VO2max - (ANSWER)Maximim amount of oxygen consumed and utilized by the body during an all out
effort to exhaustion
Skeletal muscle - (ANSWER)Attached to bone via tendons and allows voluntary movement of the body,
striated
Smooth muscle - (ANSWER)Found in the walls of organs, not striated
Slow twitch - (ANSWER)Type 1; slow oxidative; slow to fatigue, high endurance
Fast twitch - (ANSWER)Type IIa and b; poor aerobic endurance
Proprioceptors - (ANSWER)Sense the degree of tension in the tendon and the length of the muscle
Cartilage - (ANSWER)White, semi-opaque, fibrous connective tissue which cushions joints
Ligament - (ANSWER)Band of fibrous tissue which connects bone to bone