QUESTION 1 Each muscle fiber is innervatedby a.one nerve

QUESTION 1 Each muscle fiber is innervatedby a.one nerve

QUESTION 1
Each muscle fiber is innervated by 
a.one nerve fiber 
b.two or more nerve fibers 
c.an autonomic nerve fiber 
d.none of the above 
QUESTION 2
The plasma membrane of a muscle cell is referred to as which of the following? 
a.sarcoplasmic reticulum 
b.sarcolemma 
c.plasmalemma 
d.none of the above 
QUESTION 3

Which of the following is a protein located in myofibrils? 

a.actin 
b.myosin
c.dystrophin 
d.both a and b 
QUESTION 4
Thick  filaments contain 
a.actin 
b.myosin 
c.actin and myosin 
d.none of the above 
QUESTION 5
Thin filaments contain
a.myosin
b.actin
c.choline 
d.none of the above 

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