Ch. 9 Muscle Test Rvw

Front

The smallest contractile unit of a muscle is called the __________.

Back

Sarcomere

Front

The membrane of a skeletal muscle cell which contains ACh receptors is called the:

Back

sarcolemma

Front

Loss of muscle mass when muscles are not used is called

Back

atrophy

Front

a bundle of muscle fibers

Back

fascicle

Front

situation in which muscle loses its ability to contract, due to being used strenuously for a long period of time

Back

muscle fatigue

Front

the molecule that accumulates in muscles when oxygen is depleted

Back

lactic acid

Front

segment of myofibril extending from one z-line to the next

Back

sarcomere

Front

connective tissue covering each muscle fiber

Back

endomysium

Front

layer of connective tissue that surrounds a skeletal muscle

Back

epimysium

Front

connective tissue that extends inward from the epimysium separating muscle tissue into fascicles

Back

perimysyium