Practice 1 Flashcards
(49 cards)
Which organelle is the site of glycoprotein & lysosome synthesis?
Golgi Body
Patellar reflex is an example of…?
Myotactic reflex
What will happen with distal nerve damage?
Wallerion Degeneration
What is the function of satellite cells?
Cover neuronal cell bodies (PNS only)
Which neuroglia is analogous to white blood cells?
Microglia
Golgi tendon organ is an example of…?
Mechanoreceptor
What senses pain & temperature?
Free nerve endings
Motor supply to the muscle spindles is supplied by…?
Gamma type neurons
Multipolar neurons have several fibers that come off of one…?
Cell body
Which fiber type responds to muscle stretch in patellar reflex?
Alpha
Astrocytoma percentage?
23%
Ependyoma percentage?
8%
Oligodendroglioma percentage?
3%
Cell bodies of sensory neurons are located in…?
DRG
What is the embryological derivative of the PNS?
Crest cells
What is the embryological derivative of the CNS?
Neural tube
Cell bodies of motor neurons are located in…?
Brainstem and Spinal Cord (CNS)
Pseudounipolar cells…?
Modified bipolar, transmits sensory signals to receptors in skin, joints and muscles
Bipolar cells…?
Transmits signals for special senses
Multipolar cells…?
Motor neurons (most common)
Cell bodies of the PNS are made up of…?
Pseudounipolar & multipolar neurons
What is the PNS derived from?
Neural crest cells
What type of neuron is in the dorsal root ganglion made up of?
Psudounipolar
What myelinates the PNS?
Schwann cells