When the myosin head flexes into a bend, pulling the actin filament along with it, this is called the
A. action reaction.
B. power stroke.
C. recovery stroke.
D. muscle tone.
E. action potential.
B
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Identify the structure labeled "3."
A) lateral process B) spinous process C) lamina D) transverse process E) pedicle
A radiograph (X-ray) of a child's hand will show epiphysial lines.
Answer the following statement true (T) or false (F)
The light band of a skeletal muscle is known as the ________.
A. Z disc B. H band C. A band D. I band
The female urethra:
A) is more difficult to catheterize than the male urethra. B) opens into the vestibule of the vagina. C) has cilia that very effectively prevent bacteria from entering the bladder. D) begins with a distinct sphincter in the bladder, the internal urethral sphincter. E) has a distinct posterior ridge termed the urethral crest.