Question

an end plate potential is an event that involves a gain of
positive charge along the inside of the cell membrane, as potassium rapidly enters.
positive charge along the inside of the cell membrane, as sodium rapidly enters.
negative charge along the inside of the cell membrane, as potassium rapidly enters.
negative charge along the inside of the cell membrane, as sodium rapidly enters.

question 4
1 pts
which is a correct listing of the hierarchy of a skeletal muscles components, beginning with
the smallest?
a. myofibrils
b. muscle fiber
c. fascicle
d. skeletal muscle
a, b, c, d
a, c, b, d
d, c, b, a
c, b, a, d
b, c, a, d

Explanation:

• Myofibrils are the smallest components within muscle fibers.
• Muscle fibers are individual cells that contain myofibrils.
• Fascicles are bundles of muscle fibers.
• Skeletal muscle is composed of multiple fascicles.

Answer:

a. a, b, c, d