Exam 9: Muscular System

The least amount of stimulus required for a muscle to contract is called the threshold stimulus.

Both skeletal muscle and cardiac muscle have striations.

Match each muscle to its corresponding location or description. -Muscle group made up of the rectus femoris and the three vastus muscles

Match each term with its corresponding definition or description. -A small fluid-filled sac that lies between some tendons and bones

Match each muscle with its corresponding description or location. -Muscle on the front of the upper arm responsible for flexion of the elbow

Match each term with its corresponding definition or description. -Movement that moves the toes toward the shin

Both cardiac muscle and skeletal muscle have intercalated disks.

When the elbow is straightened, the triceps brachii becomes the antagonistic muscle.

Which type of muscle is characterized by cells with tapered ends and a single nucleus?

Match each term with its corresponding definition or description. -Another name for smooth muscle

The "heads" that form crossbridges during muscle contraction are part of the actin molecule.

Voluntary muscle is _____ muscle.

Explain the differences among a sprain, a strain, and a cramp.

Which substance is released from the endoplasmic reticulum after a nerve signal stimulates the muscle fiber?

Match each muscle with its corresponding description or location. -Muscle that forms the thick rounded prominence over the shoulder and upper arm

Another name for visceral muscle is _____ muscle.

Both calcium and ATP are needed for a muscle to contract.

Which type of muscle tissue contains striations?

Myasthenia gravis is a condition that is carried on the X chromosome.

When a muscle contracts, its insertion bone moves toward its origin bone.