KNS 200 EXAM 2 QUESTIONS & ANSWERS
Biomechanics - Answer -________ is the applications of mechanical principles to
understand effects of forces on physical functions and structures.
Mechanics - Answer -_______ is a branch of physics that studies motion (kinematics_
that the causes of motion (kinetics).
Displacement - Answer -The formula for ______ is the final position minus the initial
position. (unit: meters)
Velocity - Answer -The rate of change in a position is the ______.
Acceleration - Answer -A rate of change in velocity is _______.
Mass - Answer -______ is a quantity of matter in the body; inertia. (unit: kg)
Force - Answer -______ is a push or pull, friction, gravity, or air resistance. The formula
for this is mass x acceleration.
External - Answer -An _______ force is applied by another object (ground or another
person).
Internal - Answer -An _______ force is forces generated inside the body.
Inertia - Answer -Newton's 1st law, the law of ______, states that an object at rest will
stay at rest unless there is a force to cause it to move.
1st - Answer -Newtons ____ law, the law of inertia, states that an object in motion will
continue that motion (direction and speed) unless there is a force to cause it to change.
Acceleration - Answer -Newton's 2nd law, the law of _______, states that the change in
motion of an object is proportional to the force applied.
2nd - Answer -Newton's ____ law, the law of acceleration, states that the change in
motion is in the direction that the force is applied.
3rd - Answer -Newton's ____ law, the law of action and reaction, states that for every
action force, there is an equal (in magnitude) and opposite (in direction) reaction.
Harvard fatigue lab - Answer -The first exercise physiology lab in the U.S. that focused
on fatigue, altitude, and temperature was called the ________ _______ ______.
Eisenhower - Answer -President ______ encouraged more physical fitness after a
heart attack in the 1950's.
, Energy - Answer -Adenosine triphosphate (ATP) is used for ______.
4 - Answer -A carbohydrate is about ____ kcals/gram.
9 - Answer -A fat is about ____ kcals/gram.
4 - Answer -A protein is about _____ kcals/gram.
Immediate - Answer -The _____ metabolic pathway lasts between 0-10 seconds,
requires 1 ATP, and uses ATP-PCr
Short term - Answer -The _____ _____ metabolic pathway lasts between 10-60
seconds, requires 2-3 ATP's, and is called anaerobic glycolysis.
Long term - Answer -The _____ _____ metabolic pathway lasts between 60-120
seconds, requires 32-22 ATP for CHO and >100 ATP for fat, and is for aerobic
metabolism.
Sarcomere - Answer -Myofibrils contain _____, which are the smallest contractile unit
of muscle.
Actin - Answer -Thin filaments are called _____.
Myosin - Answer -Thick filaments are called _____.
1 - Answer -Type ___ fibers are slow twitch and slow oxidative fibers.
IIa - Answer -Type _____ fibers are intermediate and fast oxidative glycolytic fibers.
IIx - Answer -Type _____ fibers are fast twitch and fast glycolytic fibers.
Hypertrophy - Answer -Fiber ______ increases the size in the muscle fibers.
Hyperplasia - Answer -Fiber ______ increases the muscle fiber numbers; increases
splitting.
Muscle - Answer -_____ hypertrophy is the result of fiber hypertrophy and fiber
hyperplasia.
Age - Answer -Your heart rate should be 220 minus your _____.
Cardiac - Answer -______ output is the heart rate times the stroke volume.
Stroke - Answer -Your ______ volume is how much blood you eject from the left
ventricle per beat.
Biomechanics - Answer -________ is the applications of mechanical principles to
understand effects of forces on physical functions and structures.
Mechanics - Answer -_______ is a branch of physics that studies motion (kinematics_
that the causes of motion (kinetics).
Displacement - Answer -The formula for ______ is the final position minus the initial
position. (unit: meters)
Velocity - Answer -The rate of change in a position is the ______.
Acceleration - Answer -A rate of change in velocity is _______.
Mass - Answer -______ is a quantity of matter in the body; inertia. (unit: kg)
Force - Answer -______ is a push or pull, friction, gravity, or air resistance. The formula
for this is mass x acceleration.
External - Answer -An _______ force is applied by another object (ground or another
person).
Internal - Answer -An _______ force is forces generated inside the body.
Inertia - Answer -Newton's 1st law, the law of ______, states that an object at rest will
stay at rest unless there is a force to cause it to move.
1st - Answer -Newtons ____ law, the law of inertia, states that an object in motion will
continue that motion (direction and speed) unless there is a force to cause it to change.
Acceleration - Answer -Newton's 2nd law, the law of _______, states that the change in
motion of an object is proportional to the force applied.
2nd - Answer -Newton's ____ law, the law of acceleration, states that the change in
motion is in the direction that the force is applied.
3rd - Answer -Newton's ____ law, the law of action and reaction, states that for every
action force, there is an equal (in magnitude) and opposite (in direction) reaction.
Harvard fatigue lab - Answer -The first exercise physiology lab in the U.S. that focused
on fatigue, altitude, and temperature was called the ________ _______ ______.
Eisenhower - Answer -President ______ encouraged more physical fitness after a
heart attack in the 1950's.
, Energy - Answer -Adenosine triphosphate (ATP) is used for ______.
4 - Answer -A carbohydrate is about ____ kcals/gram.
9 - Answer -A fat is about ____ kcals/gram.
4 - Answer -A protein is about _____ kcals/gram.
Immediate - Answer -The _____ metabolic pathway lasts between 0-10 seconds,
requires 1 ATP, and uses ATP-PCr
Short term - Answer -The _____ _____ metabolic pathway lasts between 10-60
seconds, requires 2-3 ATP's, and is called anaerobic glycolysis.
Long term - Answer -The _____ _____ metabolic pathway lasts between 60-120
seconds, requires 32-22 ATP for CHO and >100 ATP for fat, and is for aerobic
metabolism.
Sarcomere - Answer -Myofibrils contain _____, which are the smallest contractile unit
of muscle.
Actin - Answer -Thin filaments are called _____.
Myosin - Answer -Thick filaments are called _____.
1 - Answer -Type ___ fibers are slow twitch and slow oxidative fibers.
IIa - Answer -Type _____ fibers are intermediate and fast oxidative glycolytic fibers.
IIx - Answer -Type _____ fibers are fast twitch and fast glycolytic fibers.
Hypertrophy - Answer -Fiber ______ increases the size in the muscle fibers.
Hyperplasia - Answer -Fiber ______ increases the muscle fiber numbers; increases
splitting.
Muscle - Answer -_____ hypertrophy is the result of fiber hypertrophy and fiber
hyperplasia.
Age - Answer -Your heart rate should be 220 minus your _____.
Cardiac - Answer -______ output is the heart rate times the stroke volume.
Stroke - Answer -Your ______ volume is how much blood you eject from the left
ventricle per beat.
