Exam 8: Muscular System

These are defined as a set of membranous channels that extend inward from the plasma membrane of the muscle cell and pass all the way through the cell.

What does not describe the region known as the motor end plate?

The term "muscle" can refer to

The enzyme acetylcholinesterase causes acetylcholine to

When an increased concentration of calcium ion is in the sarcoplasm,

A single contraction of a muscle fiber in response to a single stimulus is a

The amount of oxygen needed to support the conversion of lactic acid to glucose by the liver is called the

This type of smooth muscle is found in the walls of hollow organs like the stomach,intestine,and urinary bladder.

In this type of smooth muscle,muscle fibers are separate and not organized into sheets.

A motor unit typically includes

The neurotransmitter in skeletal muscle contraction is ___________.

An antagonist to the sternocleidomastoid muscle would be

Creatine phosphate

Troponin,tropomyosin and actin are all parts of the thin filament.

The threshold stimulus is the

The rhythmic,wavelike motion produced by visceral smooth muscle is called __________.

Intercalated discs are found in skeletal muscle as well as cardiac muscle.

Endomysium separates individual muscle fibers from each other.

The time lag between muscle stimulation and the beginning of contraction is called the ________.

Skeletal muscle cells appear striated because of these parallel bundles.