Exam 12: B: Physiology of the Muscular System

Muscles usually contract to about _____ of their length.

Susie Swift,an avid jogger,is running down the beach when she comes upon Bobby Beachbum,a serious weight lifter.Bobby flirts with Susie,who decides he has more muscle than brains.She continues her run down the beach,and Bobby begins to run after her.After about a half mile,Bobby tires and gives up.Explain why Susie was able to continue to run despite the fact that she has less muscle mass than Bobby has.

The chief function of the T-tubules is to:

Match each term with its corresponding description regarding the sliding filament theory. -ion that is released by the sarcoplasmic reticulum

Match each term with its corresponding definition or description. -name given to the plasma membrane of a muscle cell

The purpose of creatine phosphate in muscle contraction is to:

Explain the role of the skeletal muscles in heat production for the body.

The plasma membrane of a muscle fiber is called the:

Explain isometric muscle contractions and the two types of isotonic contractions.

The characteristic of the muscle cell that directly causes movement is:

Explain how glycogen and myoglobin aid in muscle contraction.

Match each term with its corresponding definition or description. -the ability of a muscle cell to shorten

Which type of muscle is responsible for peristalsis?

Attempting to pick up an object too heavy to lift would result in which type of muscle contraction?

Explain how the treppe,or staircase,phenomenon applies to pre-exercise warm-up.

A satellite cell in a muscle can become active:

List three characteristics of muscles.

Aerobic respiration:

Which of the following is not a part of the neuromuscular junction?

The neurotransmitter(s)secreted at the motor end plates of skeletal muscles is(are):