In order to excite a skeletal muscle, the neurotransmitter must bind to: a)calcium channels. b) potassium channels. c) sodium channels.

17) a motor neuron and all the muscle cells it stimulates are referred to as a motor end plate. a) true  b) false

2 a) What does calcium do in a skeletal muscle cell and where in the cell does it come from?                   b) John’s Stetson (his hat) blew off his head in a strong wind and he sprinted down the hill to retrieve it.  Where did his ATP come from in the first 6 seconds and the next 8 seconds of his run?

Acetylcholinesterase is an important molecule in the engine end plate to share: a) stimulates receptors in the postsynaptic membrane b) synthesizes acetylcholine from acetate and choline c) breaks down acetylcholine d) stimulates the release of Ca2 + from the sarcoplasmic reticulum

Which is true for striated muscles? a) may have spontaneous activity b) is not under the control of the will c) many cell nuclei, located below the membrane, in each muscle fiber.

In order for the muscles to contract ______ must bind to receptors in the muscles. a) Serotonin b) Dopamine c)Glutamate d)Acetylcholine

Which type of muscle do you have in your digestive system? A) Cardiac MuscleB) Striated MuscleC) LigamentsD) Smooth Muscle

In skeletal muscle, the sarcolemma is directly covered by: a) epimysium. b) perimysium. c) endomysium.

If you completely stopped working out for 6 months, the following would occur: O a) a decrease in muscle fiber type O b) an increase in muscle fiber size O c) an increase in muscle fiber number O d) a decrease in muscle fiber size

Please answer all questions  Following death, muscles enter a period of sustained contraction called rigor mortis. This develops because: a) the Na+/K+ active transport pump fails. b) there isn't any more neurotransmitter secretion. c) there isn't any ATP to break actin-myosin bonds. d) calcium is not returned to the cisternae. If a muscle is stimulated to contract at maximum tension yet brief periods of relaxation are possible, the muscle is demonstrating: a) twitch. b) summation. c) incomplete tetany. d) complete tetany.