A decrease in intracellular calcium levels stored in the sarcoplasmic reticulum (SR) would result in which of the following?
A. Decreased depolarization of skeletal muscle
B. Decreases speed of propagation of the action potential in the skeletal muscle cell
C. Decreased release of neurotransmitter at the motor endplate
D. Decreased cross-bridge formation in skeletal muscle
E. Decreased neurotransmitter release at the motor endplate and decreased cross-bridge formation in skeletal muscle