The proximal radioulnar joint is a ________ joint.
A. saddle
B. pivot
C. condylar
D. ball-and-socket
E. hinge
Answer: B
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The most abundant class of neuron in the central nervous system is
A) anaxonic. B) bipolar. C) multipolar. D) pseudopolar. E) unipolar.
Blood returning from the systemic circulation enters the right atrium via two large veins, the __________, one returning blood from above and the other returning blood from below heart level
Fill in the blank(s) with correct word
The middle ear communicates with the nasopharynx through the
A) auricle. B) membranous labyrinth. C) bony labyrinth. D) pharyngotympanic tube E) auditory meatus.
A depolarization is when the inside of a neuron becomes ________ the resting membrane potential.
A. more negative than B. closer to C. less negative than