Muscle System Part 3 Question Preview (ID: 1219)

Review Of Ch 8. TEACHERS: click here for quick copy question ID numbers.

the increase in the number of motor units activated when the intensity of stimulation increases is called
a) latency
b) recruitment
c) threshold stimulation
d) all or none response

the all or none response means
a) all of the muscles in a region contract together
b) all of the muscle fibers within a muscle contract together
c) when a muscle fiber contracts, it contracts completely
d) when a muscle fiber contracts, all of its ATP is changed to ADP

In a recording of a muscle twitch, the delay between the time a stimulus is applied and the time the muscle responds is called the
a) refractory period
b) relaxation period
c) latent period
d) contraction period

Activities such as swimming and running are most likely to stimulate development of
a) slow, fatigable muscle fibers
b) fast, fatigable muscle fibers
c) slow, fatigue-resistant muscle fibers
d) fast, fatigue-resistant muscle fibers

Muscle fatigue is most likely due to an accumulation of
a) lactic acid
b) ATP
c) ADP
d) oxygen

The rhythmic, wavelike motion produced by smooth muscles in tubular visceral organs is called
a) the wave
b) peristalsis
c) latency
d) sustained contraction

muscles that assist the prime mover are called
a) antagonists
b) synergists
c) protagonists
d) mover helpers

the minimal stimulus needed to elicit a muscle contraction is called ____ stimulation.
a) threshold
b) latent
c) prolonged
d) intermittent

soreness down the front of the leg due to straining the anterior leg muscles, often as a result of walking up and down hills is known as
a) dead leg
b) shin splints
c) seizures
d) none of these

any muscular disease is classified as a
a) myopathy
b) dystrophy
c) myology
d) temporary disease

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