K
C
LO
CCSP EXERCISE
YC
PHYSIOLOGY EXAM
QUESTIONS COMPLETE
D
WITH DETAILED VERIFIED
U
ANSWERS 100% CORRECT
ST
/A+GRADED
, During exercise of increasing intensity, the point at which blood lactate begins to accumulate
above resting levels is called the _______________. - ANS Lactate threshold
Extreme muscle soreness results primarily after a bout of _________________ exercise.Hint: a
type of muscle contraction. - ANS Eccentric
Epinephrine and norepinephrine are referred to as _____________________________. - ANS
Neurotransmitters
K
The actual shortening of muscle during muscle contraction is due to the action of
__________________, which enable the thin filaments to slide past the thick filaments.
You Answered - ANS Actin-myosin crossbridges
C
The fuel source most likely to limit endurance is ______________________. - ANS Glycogen
LO
The form of resistance training where you resist the movement of an object is referred to as..... -
ANS Eccentric
The increase in the number of individual muscle fibers is referred to as.... - ANS Hyperplasia
YC
The basic difference between a power movement and a strength movement is..... - ANS
Speed of the movement
The increase in strength with resistance training results from.... - ANS Hypertrophy of the
muscle, increased motor unit recruitment, synchronization
D
Fiber-type conversion (e.g., fast-twitch [FT] to slow-twitch[ST] conversion) has been shown to
occur under which of the following conditions? - ANS Cross-innervation of motor nerve to
muscle fibers, chronic stimulation of FT motor units with low-frequency nerve stimulation
U
Which of the following types of athletes would be expected to have the highest percentage of
fast-twitch fibers in the muscles of their legs? - ANS Sprinter
ST
Other than genetics, what exerts the most significant control on whether a muscle fiber is of a
Type I or Type II fiber type? - ANS The type of neuron that stimulates it
The major metabolic waste product that causes the muscles and blood to have a lower pH
during exercise of increasing intensity is.... - ANS Lactate
The motor unit is composed of.... - ANS Motor neuron, muscle fibers
The primary system for providing energy for a 2 hour bout of work is the.... - ANS Oxidative
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