Which of the following is not an important function of calcium ions in skeletal muscle activity?
A. Exposure of the active sites on G actin
B. Release of acetylcholine from the presynaptic terminal
C. Depolarization of the sarcolemma
D. All of these are important functions of calcium ions in skeletal muscle contraction.
Answer: C
You might also like to view...
Name the muscles that compose the gluteal group
A) piriformis, superior gemellus, inferior gemellus, quadratus femoris B) gluteus maximus, gluteus medius, gluteus minimus, tensor fasciae latae C) psoas major, iliacus D) gluteus medius, gluteus minimus, obturator internus, obturator externus E) pectineus, gracilis, quadratus femoris, gluteus maximus
Which is immediately lateral to the thalamus?
A. Globus pallidus B. Putamen C. Caudate nucleus D. Claustrum
In pigs, the trapezius group of muscles is composed of three distinct muscles. How many muscle(s) make up the trapezius in humans?
A) three B) two C) one D) four
What is the action of the muscle labeled G?
a) adducts and medially rotates arm at shoulder joint b) abducting arm at shoulder joint c) laterally rotates arm at shoulder joint d) laterally rotates and extends arm at shoulder joint e) extends forearm at elbow joint