Cypress College » Biology » Biology 241 - Accelerated General Human Physiology » Summer 2021

Question #1

Muscle contraction requires calcium, but would still be able to function without sodium in the muscle cell.

A. FALSE

B. TRUE

Question #2

Which myofilament is directly involved in active force generation (shortening the sarcomere length)?

A. titin

B. actin

C. troponin

D. tropomyosin

Question #3

Which of the following are necessary for muscle contraction?

A. calcium, neuronal stimulus, and ATP

B. calcium and titin

C. ATP, titin

Question #4

Which muscle fibers use aerobic respiration for ATP?

A. Fast oxidative glycolytic (FOG) and Slow oxidative

B. Fast oxidative glycolytic (FOG) and fast-twitch fibers

C. Fast glycolytic (FG) and slow oxidative

D. Fast glycolytic (FG) and fast-twitch fibers

Question #5

Match term with its function. eccentric contraction

A. muscle tension during muscle lengthening

B. muscle tension while maintaining muscle length

Question #6

Match term with its function. concentric contraction

A. muscle tension while maintaining muscle length

B. muscle tension during muscle shortening

Question #7

Match term with its function. isometric contraction

A. muscle tension during muscle shortening

B. muscle tension while maintaining muscle length

Question #8

Match term with its function. muscle twitch

A. single muscle contraction

B. sustained muscle contraction at maximal force

Question #9

Match term with its function. tetanus

A. single muscle contraction

B. sustained muscle contraction at maximal force