Final Flashcards
Compared to unmyelinated axons, myelinated axons:
Conduct impulses faster
Which nerve passes posterior to the medial epicondyle of the humerus?
Ulnar
What is the “blind spot” of the eye?
Starting point of optic nerve
Which nerve runs with the hypoglossal nerve?
Geniohyoid N.
All of the following are mechanoreceptors EXCEPT: Follicular receptor, Thermoreceptor, Pacinian Corpuscle, Meissners Corpuscle
Thermoreceptor
What is the fluid in the scala tympani?
Perilymph
What are the structures coming directly out from the spinal cord?
Rootlets
Neurons that conduct nerve impulses from the receptors to the CNS are?
Sensory
What dermatome is at the umbilicus?
T10
The end of the paravertebral ganglion is the?
Ganglion Impar
Which fiber type responds to stretch (as in the knee tap reflex)?
1a = One “A”
The elongated nerve root from L2-S2 are called?
Cauda Equina
What cranial nerve delivers presynaptic parasympathetic fibers to adbominal viscera?
Vagus
In what substance are the stereo cilia of spiral organ hair cells embedded?
Cupula
Which muscle is innervated by two branches of Ansa Cervicalis?
Omohyoid
The glossopharyngeal nerve provides parasympathetic innervation to the:
Parotid gland
Loss of cutaneous sensation and paralysis of muscles on the medial plantar side of the foot indicates damage of which nerve?
Tibial
The sympathetic division of the ANS is also referred to as the:
Thoracolumbar division
The greater occipital nerve is derived from the:
Dorsal rami of C2
Which nerve pierces the anterior surface of the psoas major, runs inferiorly, and innervates the genitalia and femoral triangle?
Genitofemoral
The tympanic nerve is a branch from which cranial nerve?
Trigeminal
What type of fibers are in the main facial root (facial nerve proper)?
Parasympathetic
What nerve provides the preganglionic GVE innervation to the submandibular ganglion?
Chorda tympani
Which range of spinal cord segments contribute to the cervical plexus?
C1 - C4
Crossed effects are associated with which reflex?
Withdrawal
Which fiber transmits signals the slowest?
“C”
What is the connective tissue layer that encloses a single nerve fiber?
Endoneurium
“Special” functional components get their name b/c:
They are derived from the pharyngeal arches
Which nerve roots form the lumbosacral trunk?
L4, L5
Satellite cells:
Surround neuronal cell bodies
Compensatory eye mvmt is stimulated by activating the:
Superior olive
Which of the following is false?
The fibers from the lateral half of the retina cross at the optic chiasm.
(fibers from the lateral half of the retina remain on it’s ipsilateral side - do not cross)
Which organelle produces glycoproteins and lysosomes?
Golgi body