Chapter 2 Personal Trainer AFAA || Questions and 100% Accurate Answers.
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Chapter 2 Personal Trainer AFAA ||
Institution
Chapter 2 Personal Trainer AFAA ||
Exercise physiology correct answers science of how the body operates during exercise & at rest
Describe the structure of the heart correct answers Muscular organ about the zie of a fist that is divided into left & right sides that are separated by a wall / septum.
Performs 2 distinct functions,...
Chapter 2 Personal Trainer AFAA || Questions and 100%
Accurate Answers.
Exercise physiology correct answers science of how the body operates during exercise & at rest
Describe the structure of the heart correct answers Muscular organ about the zie of a fist that is
divided into left & right sides that are separated by a wall / septum.
Performs 2 distinct functions, so it's AKA a double-pump.
Has upper & lower chambers (atria & ventricles).
3 layers of tissue that the heart is composed of correct answers 1. Epicardium
2. Myocardium
3. Endocardium
Pericardium correct answers loose, yet protective sac that contains the heart
Epicardium correct answers thin membrane located on outermost layer of the heart
Myocardium correct answers thickest & strongest in the walls of the left ventricle, the chamber
responsible for pumping blood throughout the body
Endocardium correct answers smooth membrane that lines the chambers of the heart
Myocardial Infaction (MI) correct answers heart attack
occurs due to lack of blood flow through the coronary arteries to the heart muscle
Infaction correct answers blockage of blood flow
When an infaction occurs, those portions of the myocardium affected die.
Cardiac Cycle correct answers contraction / relaxation pattern produced by the heart
Stroke Volume correct answers amount of blood pumped with each beat / systole
Heart Rate (HR) correct answers Number of times the heart beats per minute
Cardiac Output correct answers amount of blood pumped per minute
Heart Rate X Stroke Volume
SA Node (Pacemaker) correct answers Dictates regulation of the contractions of the heart
What is the average resting heart rate? correct answers 60-80 beats per minute
, ECG / EKG correct answers electrocardiogram device used to diagnose cardiac problems by
measuring the heart's electrical activity
Name the 3 circulatory system blood carrying vessels, which produce a circuit of blood flow
throughout the body correct answers 1. arteries
2. capillaries
3. veins
Ischemia correct answers lack of blood flow
Glucose correct answers blood sugar that comes from carbohydrates
Lactic acid correct answers anaerobic pathway that provides rapid source of energy, created from
pyruvic acid
Venous Return correct answers as the blood leaves the capillaries, it enters the venous system,
which returns blood back to the heart
myosin correct answers myofilament within sarcomeres, attaches to and pulls actin to shorten
muscle
actin correct answers one of the two proteins
maximal oxygen uptake (VO2max) correct answers volume of oxygen at the cellular level, max
we can take in
valsalva maneuver correct answers occurs when a person holds their breath during strenuous
activity
minute ventilation correct answers total amount of air breathed per minute
residual lung volume correct answers amount of air left in the lungs after a complete & total
forced exhale
forced vital capacity correct answers amount of air that can be forcefully exhaled after a maximal
inhale
total lung capacity correct answers sum of the residual volume & the forced vital capacity
macronutrients correct answers protein, carb, & fat that are either stored or used for the energy
necessary to live & perform biological work
photosynthesis correct answers transformation of light energy absorbed by green plants
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