Exam 12: B: Physiology of the Muscular System

Which of the following terms describes an isometric contraction?

Match each term with its corresponding definition or description. -a neuron and all the muscle fibers it stimulates

The smallest contractile unit of muscle is a:

Describe the physiological process of muscle contraction.

The first event to occur in muscle relaxation is:

A contraction in which the tension within the muscle remains the same but the length changes is called a(n)_____ contraction.

The motor end plate makes up part of the:

The myofibrils contain about how many sarcomeres?

Match each term with its corresponding description regarding the sliding filament theory. -protein that has receptor sites for an ion that causes it to change shape and pull another protein away from the receptor sites on the actin

Which structure functions to temporarily store calcium ions?

A decrease in muscle size is termed:

Based on your knowledge of the structure and function of the muscle cells,explain why you would expect to find multiple mitochondria and nuclei in them under microscopic examination.

The lactic acid produced by anaerobic respiration is converted back to glucose in the:

Painful muscle contractions or involuntary twitches are called:

Glucose can be stored in the muscle as:

White fibers are also called _____ fibers.

The striations seen in skeletal muscle cells under the microscope are what part of the sarcomere?

Match each term with its corresponding description regarding the sliding filament theory. -protein that directly prevents the formation of cross-bridges in the sarcomere

The graded strength principle states that:

Treppe is also called: