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Which of the following muscle cells only occur in the heart where they constitute the bulk of the heart?
a) cardiac                   
b) smooth
c) skeletal                   
d) all of these

a

Explanation: cardiac is from cardium means heart



Which of the following muscle cells are arranged in a characteristics branching pattern and are striated but are involuntary?
a) cardiac                   
b) smooth
c) skeletal                   
d) all of these

a

Cardiac muscle cells are………
a) anucleated  
b) binucleated
c) mononucleated     
d) multinucleated

c

Explanation: means having single nucleus



Which of the following muscles usually contract at a fairly steady rate set by the pacemaker?
a) smooth           
b) cardiac      
c) skeletal                   
d) all of these

b

Explanation: rhythmic contraction of cardiac muscles in atria and ventricles of the heart pump blood throughout the body



Which of the following muscles are found in the walls of hollow visceral organ?
a) cardiac                    
b) smooth
c) skeletal                   
d) all of these

b

Explanation: Smooth muscle is present throughout the body, where it serves a variety of functions. It is in the stomach and intestines, where it helps with digestion and nutrient collection. 



In which of the following organs, smooth muscles are found?
a) stomach and urinary bladder 
b) blood vessels
c) respiratory passage and gut
d) all of these

d

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