The best place in the oral cavity to observe veins close to the surface is the
A. hard palate.
B. marginal gingiva.
C. buccal mucosa.
D. ventral surface of the tongue.
E. labial mucosa.
Answer: D. ventral surface of the tongue.
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The gray horns of the spinal cord contain mainly
A) nerve tracts. B) columns. C) meninges. D) neuron cell bodies. E) funiculi.
Calcium entry into the presynaptic terminal will be greatest:
A. during the rising phase of the action potential B. at the peak of the action potential C. during the falling phase of the action potential D. during the afterhyperpolarization following an action potential E. when it is at its resting potential
Parasympathetic activity is responsible for increased smooth muscle motility and secretory activity in digestive tract organs.
Answer the following statement true (T) or false (F)
Which of the following muscles are extensors of the leg?
A) vastus intermedius B) rectus femoris C) vastus lateralis D) vastus medialis E) All of the answers are correct.