Which of the following is not a determinant of whole muscle tension?
a. the number of muscle fibers contracting.
b. the tension produced by each contracting fiber.
c. the extent of motor-unit recruitment.
d. the frequency of stimulation.
e. the proportion of each motor unit that is contracting at any given time.
E
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The lung volume that represents the total volume of exchangeable air is the ________
A) tidal volume B) expiratory reserve volume C) inspiratory capacity D) vital capacity
Drawing a large circle on a chalkboard is possible by means of ________ at the shoulder joint.
A) external and internal rotation B) inversion and eversion C) rotation D) opposition E) circumduction
Striated, multinucleate cells are commonly found in:
A) smooth muscle tissue. B) cardiac muscle tissue. C) skeletal muscle tissue. D) both smooth and cardiac muscle tissue.
Folded projections of the mucosal layer are characteristic of which of the following?
A) Small intestine B) Large intestine C) Stomach D) Esophagus