Place the events of the propagation of an action potential in a MYELINATED axon.
What will be an ideal response?
1. generation of an initial action potential
2. generation of local currents
3. flow of local currents to the next node of Ranvier
4. depolarization results from the local currents
5. threshold is reached in the membrane
6. generation of the next action potential
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Which pathways are somatotopically organized? a: Posterior funiculus-medial lemniscal pathwayb: Anterolateral pathwayc: Spinocerebellar pathway
A. a and b B. a and c C. a only D. a, b, and c E. b and c
The lobe of the cerebrum medial to the sylvian fissure is the ____________________.
Fill in the blank(s) with the appropriate word(s).
Why are chlorine ions important?
A) Chlorine ions are a major component of bone tissues. B) Chlorine ions are involved in the production of stomach acids. C) Chlorine ions are critical for hematopoiesis. D) Chlorine ions are a major component of collagen fibers.
Stretch reflexes
A. cause the removal of limbs from painful stimuli. B. are learned voluntary responses. C. aid in maintaining proper posture. D. prevent muscles from being damaged by excessive tension. E. prevent falling.