Which of the following statements concerning the length-tension relationship is incorrect?
a. It refers to the relationship between the length of the muscle before the onset of contraction and the tetanic tension that each contracting fiber can subsequently develop at that length.
b. it is based on the amount of overlap of thick and thin filaments.
c. it allows no tension development if the whole muscle is stretched to 30% longer than its optimal length.
d. within the body, it is limited to a functional range because of limitations on muscle length imposed by attachment to the skeleton.
e. none of these answers.
C
You might also like to view...
The sympathetic division of the ANS has
A. norepinephrine as a transmitter substance. B. short preganglionic axons. C. long postganglionic axons. D. preganglionic neuron cell bodies in the T1?L2 regions of the spinal cord. E. All of the choices are correct.
The vessels that supply the lower limbs are the
A. common carotids. B. internal iliac arteries. C. subclavian arteries D. external iliac arteries. E. vertebral arteries.
____________________ is the most abundant protein inside skin cells, where it comprises the intermediate filaments of the cytoskeleton
Fill in the blank(s) with correct word
Which of the following is a source of endocrine disrupting chemicals?
a. insecticides b. food preservatives c. plastic softeners d. pesticides e. all of these