PSIO 202 B2 Exam Review

Skeletal muscles can have endocrine functions.

• True

• False

Control of body openings/passages is done by skeletal muscle which means that this is ______ movement.

• voluntary

• involuntary

One of the prime handlers of the glucose from your diet is your skeletal muscle.

• true

• false

What is an origin?

• place where muscle ends on bone

• place where muscle starts on bone

The action of decreasing the angle at a joint is _______.

• lateral rotation

• extension

• flexion

What is abduction (relating to muscle movement)?

• movement towards the midline

• movement away from the midline

• movement in the same plane as the midline

A muscle that performs a certain action is an ________.

• agonist

• antagonist

• fixator

• synergist

A fixator is a muscle that stabilizes the origin of an agonist to help the agonist produce more effective movement.

• true

• false

a myofibril is the same as a muscle cell

• true

• false

what surrounds a muscle fiber?

• perimysium

• epimysium

• sarcolemma

• endomysium