AFAA Personal Trainer Certification Study Guide Questions & Answers
Myocardial Infarction - ANS-Hear attack occurs due to lack of blood flow through the coronary arteries
to the heart muscle
Ischemia - ANS-lack of blood flow
Stroke Volume - ANS-the amount of blood pumped with each beat or systole
Cardiac Output - ANS-heart rate x stroke volume. usually measured in liters (or milileters) of blood
pumped per minute
Venous Return - ANS-The amount of blood returned to the heart by the veins
Valsalva Maneuver - ANS-occurs when a person holds his or her breath during a strenuous activity, such
as lifting weights or shoveling snow
Minute Ventilation - ANS-total amount of air breathed per minute
Residual lung volume - ANS-amount of air remaining in the lungs after a complete and total forced
exhale
Forced vital capacity - ANS-amount of air that can be forcefully exhaled after a maximal inahle
Total lung capacity - ANS-sum of the residual volume and the forced vital capacity
Glucose - ANS-body's usable form of carbohydrate
Lactic Acid - ANS-produced in muscles during rapid exercise when the body cannot supply enough
oxygen to the tissues
Glycolysis - ANS-a metabolic process that breaks down carbohydrates and sugars through a series of
reactions to either pyruvic acid or lactic acid and release energy for the body in the form of ATP
Mitochondria - ANS-a subcellular structure where oxidation takes place