Exam 7: The Muscular System

In the neuromuscular junction,the ____________________ is the end of the motor neuron.

Which of the following statements are true of electrical changes at the sarcolemma? (Read carefully and select all of the correct statements.)

During depolarization of a muscle fiber,there is a ____________________ charge outside the membrane and a ____________________ charge inside.

The most abundant energy source for muscle contraction is:

The organ system that transports oxygen to muscles is the:

Depolarization of a muscle fiber is stimulated by:

Muscles with the same or similar function are called ____________________.

The function of the tibialis anterior is to:

Muscle tone in a skeletal muscle is a state of:

The units of contraction within a muscle fiber are called:

The muscle on the lateral side of the hip that abducts the thigh is the:

The organ system that forms a framework that is moved by muscles is the:

Which statement is NOT true of gross muscle structure?

A single muscle fiber contraction is called a ____,and the sustained contraction of a muscle fiber is called ____.

The muscle around the mouth that puckers the lips is the ____________________.

In a neuromuscular junction,the impulse is transmitted from the motor neuron by ____________________ to the ____________________.

The function of the gluteus maximus is to:

Which statement is NOT true of synergistic muscles?

Two indirect energy sources for muscle contraction are ____________________ and ____________________.

The muscle on the anterior side of the trunk that flexes and adducts the arm is the: