The lumbar region of the back is the __________
Fill in the blank(s) with correct word
loin
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When a muscle fiber is subjected to a stimulus, it contracts completely. This is called:
a. threshold stimulus b. the all-or-none-law c. twitch contraction d. tetanic contraction
Degeneration of the neurons in which of the following structures leads to the muscle tremors associated with Parkinson disease?
A. Cerebral crus B. Tegmentum C. Pons D. Substantia nigra E. Inferior colliculi
Rods
a. are more sensitive to light than cones b. have low acuity compared to cones c. provide vision in shades of gray d. exhibit all of the above e. exhibit only characteristics a and c
Which of the following bones is associated with the skull but not part of the cranium?
a. Palatine b. Ethmoid c. Vomer d. Lacrimal e. Hyoid