Which of the following is an accurate comparison of skeletal muscle to smooth muscle?
A. Smooth muscle contracts more slowly but relaxes more rapidly.
B. Smooth muscle contracts more rapidly but relaxes more slowly.
C. Smooth muscle contracts and relaxes more slowly.
D. Smooth muscle consumes more ATP to maintain a given level of muscle tension.
E. Smooth muscle depends on a nerve fiber to supply the calcium needed for contraction.
C. Smooth muscle contracts and relaxes more slowly.
You might also like to view...
Which structure in the figure is labeled A?
a) left common carotid artery b) left subclavian artery c) left pulmonary vein d) mitral valve
Which layer of the vessel wall facilitates vasoconstriction and vasodilation?
A. The tunica externa B. The tunica adventitia C. The tunica interna D. The tunica media E. The tunica sclerosa
What is the perichondrium?
A. The growing zone between an epiphysis and diaphysis B. The connective tissue covering cartilage C. A bone marking indicating a muscle attachment point D. The connective tissue covering long bones
Which of the following structures anchor(s) the cusps of the AV valves to the wall of the heart, to prevent regurgitation of blood?
A. Endocardium B. Interventricular septum C. Pectinate muscles D. Trabeculae carneae E. Papillary muscles