1) Match the type of muscle tissue with its brief description. Unstriated, singl

Question

1) Match the type of muscle tissue with its brief description.

Unstriated, single nucleus

Striated, autorhythmic

Striated, multiple nuclei

Match each of the options above to the items below.

Skeletal

Cardiac

Smooth

2) The brachialis muscle is the prime mover of elbow flexion, while biceps brachii assists. In other words, during elbow flexion brachialis is the ______ and biceps brachii serves as the ________.

agonist; synergist

agonist; antagonist

synergist; antagonist

fixator; agonist

3) A motor neuron transmits the effect of a nerve impulse to the muscle fiber at a ________   _________.

4) True or False

In the limbs, the distal attachment of a muscle is typically the less moveable point of attachment.

5) Which of the following gives rise to skeletal muscles during development?

Myotome

Sclerotome

Dermatome

6) Your school wins the homecoming football game against its biggest rival. You watch as the smallest cheerleader tries to lift up the heaviest linebacker in her excitement. As she strains against his 300 lb. load and does not move him, what type of muscle contraction are her muscles experiencing?

Isotonic

Isometric

No contraction because she does not move him

7) The type of muscle fibers that are used to maintain posture in the back muscles are primarily

intermediate fibers.

anaerobic fibers.

slow fibers.

fast aerobic fibers.

8) In the gluteus maximus, each motor unit controls a(n) _____________ amount of muscle fibers than a motor unit in the eye muscles.

lesser

greater

equal

Explanation / Answer

1- unstirated single nucleus , smooth muscle

Striated , autorhythmatic - cardiac

Striated multinucleated- skeletal

Note - skeletal muscle are long cylindrical highly variable each fiber contain hundtred of nucleus lying along the periphery .

Cardiac muscle are similar to skeltal muscle but doesnot follow the paralel pattern , also have nucleus but single nucleus in each fiber.

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