Which of the following does NOT affect the tension that can be developed by a muscle fiber?
a. the number of motor units recruited
b. the frequency of action potentials conducted by the motor neuron
c. the length of the fiber at the onset of contraction
d. diameter of the muscle fiber
e. All of these affect tension development by a muscle fiber.
A
You might also like to view...
A human embryo develops with a mutation that prevents smooth muscle from developing in the body. Which bodily functions will be most heavily affected by this mutation if it survives to birth?
A. Digestive system functions B. Muscular movement C. Bone functions D. Heart functions
The process whereby spermatids go through morphological changes and become spermatozoa is called
A) spermatogenesis. B) mitosis. C) diploid division. D) spermiogenesis. E) None of the answers are correct.
Which of the following is not involved with spinal gating of pain signals?
A. Lower motor neurons B. The reticulospinal tract C. The spinothalamic tract D. Nociceptors E. Second-order neurons
Triaxial joints of the body include ________
A) the hip and shoulder B) the knee and elbow C) the ankle and wrist D) intercarpal and intertarsal joints