Which of the following choices accurately describes the crural bones?
A. Both the tibia and fibula are weight-bearing.
B. Neither the tibia nor fibula is weight-bearing.
C. Only the tibia is weight-bearing.
D. Only the fibula is weight-bearing.
Answer: C
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Nerve impulses are sent to slow the heart's rate of contraction. The nerve fibers sending these signals will most likely belong to which division of the nervous system?
A) sensory (afferent) division B) somatic nervous system C) sympathetic division D) parasympathetic division
Sodium-potassium pumps restore the resting membrane potential following an action potential, a process known as ____
a. repolarization b. depolarization c. hyperpolarization d. bipolarization
Which of the following is NOT an anterior surface feature?
A. Pectoralis major B. Xiphoid process C. Tibial tuberosity D. Thenar eminence E. All of these are anterior surface features.
The type of muscle that can contract with the greatest force is the
A. straight. B. orbicular. C. triangular. D. rhomboidal. E. pennate