Muscle tension increases with an increase in the ______.
A. number of motor units activated
B. amount of potassium released from the sarcoplasmic reticulum
C. frequency of firing of the motor units
D. two of the above
Answer: D. two of the above
You might also like to view...
Convergence describes
A) how multiple primary sensory neurons synapse on a single secondary neuron. B) how receptive fields can overlap with one another. C) the reason why receptive fields are so small. D) how one primary sensory receptor neurons synapses with a secondary neuron.
Iodine accumulation in thyroid cells involves symport with
A) sodium. B) potassium. C) chloride. D) hydrogen.
A(n) ________ is a regional anesthesia produced by the injection of an anesthetic into the epidural space near targeted spinal nerve roots.
Fill in the blank(s) with the appropriate word(s).
Endomysium is a delicate network of loose connective tissue that
A. surrounds each muscle fiber. B. forms a sheath around a fasciculus. C. is composed of elastic fibers. D. separates individual muscles. E. penetrates muscle fibers.