Edition By Eberhard Voit 9780815345688 ALL Chapters .
list the three different types of muscle tissue - ANSWER: skeletal smooth and cardial
T/F? skeletal muscles r usually attched to bones - ANSWER: true
T/F? each type of muscle has the same function - ANSWER: false
T/F about skeletal muscle cells? they have striations - ANSWER: true
T/F about skeletal muscle cells? most of them are consously controlled by the central nervous system
- ANSWER: true
T/F about skeletal muscle cells? their cells have just one nucleous - ANSWER: false
T/F about skeletal muscle cells? their cells r long and slender - ANSWER: false
T/f about smooth muscle cells? they r spindle shaped? - ANSWER: true
T/f about smooth muscle cells? they can function w/out nerve stimulations? - ANSWER: true
T/f about smooth muscle cells? they have two or more nuclei? - ANSWER: false
T/f about smooth muscle cells? they r connected by gap junctions - ANSWER: true
what r 3 functions of smooth muscles? - ANSWER: move thru ur digestive track, control the way blood
flows thru ur circulatory system, and decrease the size of the pupils of ur eyes in bright light
t/f? cardiac muscle cells always have two nuclei - ANSWER: false
____ muscle tissue is striated and controls volentary movements? - ANSWER: skeletal
____ muscle tissue isnt striated and controls involontary movements? - ANSWER: smooth
_____ muscle tissue is striated and controls heartbeat - ANSWER: cardiac
list the muscle structures from largest to smallest - ANSWER: muscle fibers, myofibrals, and filaments
myosin is thick/thin - ANSWER: thick
actin is thick/thin? - ANSWER: thin
the filaments r arranged along the muscle fiber in units called? - ANSWER: sacromeres
t/f? when a muscle is relaxed there r only thin filaments in the center of a sacromere? - ANSWER:
false
the energy for muscle concentration is supplied by? - ANSWER: ATP
how does a muscle conract according to the sliding filament model of muscle contraction? - ANSWER:
the thin filaments in the muscle slide over the thick filaments
in stimulation of a muscle cell by a neuron diffusion of acetylcholine across synapse produces what? -
ANSWER: impulse in membrane of muscle cell