Axon diameter and degree of myelination determine nerve impulse conduction velocity
Indicate whether the statement is true or false
TRUE
Anatomy & Physiology
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The myelin sheaths that surround the axons of some of the neurons in the CNS are formed by
A) astrocytes. B) Schwann cells. C) oligodendrocytes. D) microglia. E) ependymal cells.
Anatomy & Physiology
Oxytocin release is stimulated by ________.
A. nursing a baby B. increased blood pressure C. a hypothalamic-releasing hormone D. increased blood osmolality E. increased urine output
Anatomy & Physiology
In the normal heart, the ________ has the highest rate of discharge and sets the rate of depolarization for the heart as a whole
A) SA node B) AV node C) bundle branches D) AV bundle
Anatomy & Physiology
"Cutting off your nose" would be a section in the _____ plane
A. coronal B. nasal C. median D. transverse E. sagittal
Anatomy & Physiology