Exam 6: The Muscular System

The type of muscle tissue pictured in Figure 6.3 is ________.

Sandra is playing the piano for her recital. Which muscle is NOT involved in the movement of her hands and/or fingers?

The effect of the neurotransmitter on the muscle cell membrane is to temporarily modify its permeability of ions such as Na⁺ and K⁺.

Which muscle group includes the biceps femoris, semimembranosus, and semitendinosus?

Which term does NOT describe smooth muscle cells?

Match the following: -Muscle tissue that activates arrector pili muscles to stand hairs on end

Isometric contractions produce movement when filaments slide past one another and the muscle shortens.

The gap between the axon terminal of a motor neuron and the sarcolemma of a skeletal muscle cell is called the ________.

Which of the following muscles acts as a synergist to masseter and closes the jaw?

Match the following: -The movement of a limb away from the body midline

The deltoid is a prime mover of arm adduction.

Which one of the following is NOT a criterion generally used in naming muscles?

Match the following: -Primary action of the erector spinae

Match the following: -Muscle tissue that maintains posture, body position, and stabilizes joints

Which muscle forms the curved calf of the posterior leg?

Match the following: -Electrical current that travels the length of the sarcolemma that results in the contraction of the muscle fiber

Match the following: -Specific neurotransmitter that stimulates skeletal muscle cells

One neuron and all the skeletal muscles it stimulates is known as a ________.

Supination and pronation refer to up and down movements of the foot at the ankle.

What is acetylcholine?