CP Muscular System Test review

Front

What is the point of origin in the muscular system?

Back

The place where the muscles attach to the bone, but no movement occurs.

Front

Which type of muscle cell is striated, has one nucleus, and contains intercalated disks?

Back

Cardiac muscle.

Front

What happens to muscles when they are not used for an extended period, such as being in a cast?

Back

Atrophy.

Front

What type of muscle makes up the heart?

Back

Cardiac muscle.

Front

Which of the following is NOT a criterion used in naming muscles?

Back

Method of attachment of the muscle to bone.

Front

What is atrophy in the context of muscles?

Back

The decrease in muscle mass due to lack of use.

Front

What is hypertrophy in muscle physiology?

Back

The increase in muscle size due to exercise or increased workload.

Front

What are intercalated disks?

Back

Specialized connections between cardiac muscle cells that facilitate synchronized contraction.

Front

What is the primary function of smooth muscle?

Back

To control involuntary movements in organs such as the intestines and blood vessels.

Front

What distinguishes skeletal muscle from other muscle types?

Back

Skeletal muscle is striated, voluntary, and multi-nucleated.