• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/11

Click to flip

11 Cards in this Set

  • Front
  • Back
Throughout the nervous system, ____ systems tend to be more ventral or anterior; ____ systems more dorsal or posterior.
motor, sensory
In the spinal cord, ______ systems tend to be more ventral or anterior; ______ systems more dorsal or posterior.
motor, sensory
Dorsal nerve r oots convey mainly __(afferent/efferent)___ sensory information into the dorsal spinal cord.
afferent
Ventral nerve roots carry mainly __(afferent/efferent)___ sensory information from the ventral spinal cord to the periphery.
efferent
Define "plexus."
An elaborate meshwork of peripheral nerves
The autonomic nervous system is divided into what two components?
sympathetic and parasympathetic
Within the ANS, the _____ system arises from thoracic and lumbar levels and releases the neurotransmitter _______ onto end organs, and is involved in "fight or flight" functions.
sympathetic, norepinephrine
Within the ANS, the _____ system arises from the cranial nerves and from the sacral spinal levels (S2-S4), it releases the neurotransmitter ________ onto end organs and is involved in sedentary functions such as increasing gastric secretions and peristalsis, slowing heart rate, and decreasing pupil size.
parasympathetic, acetylcholine
The following set of signs reflects a defect of __(upper/lower)__ motor neuron: spastic paralysis, no muscle atrophy, hyperreflexia
upper
The following set of signs reflects a defect of ___(upper/lower)___ motor neuron: flaccid paralysis, significant atrophy hyporeflexia
lower
Cerebellar lesions tend to produce ___(contralateral/ipsilateral)__ defects, whereas cerebral lesions result in ___(contralateral/ipsilateral)__ defects.
ipsilateral, contralateral