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Question

Smooth muscles are
  1. Voluntary, spindle-shaped, uninucleate
  2. Involuntary, cylindrical, striated
  3. Involuntary, fusiform, non-striated
  4. Voluntary, multinucleate, cylindrical

A
Involuntary, cylindrical, striated
B
Voluntary, spindle-shaped, uninucleate
C
Involuntary, fusiform, non-striated
D
Voluntary, multinucleate, cylindrical
Solution
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Smooth muscles are located in the walls of hollow internal organs and exhibit involuntary contraction. Smooth muscle fibers are spindle-shaped cells, uninucleated and are arranged in parallel lines to form sheets. The absence of light and dark bands make these muscles non-striated.
So, the correct answer is 'Involuntary, fusiform, non-striated'

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