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Final Flashcards

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1
Q

Compared to unmyelinated axons, myelinated axons:

A

Conduct impulses faster

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2
Q

Which nerve passes posterior to the medial epicondyle of the humerus?

A

Ulnar

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3
Q

What is the “blind spot” of the eye?

A

Starting point of optic nerve

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4
Q

Which nerve runs with the hypoglossal nerve?

A

Geniohyoid N.

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5
Q

All of the following are mechanoreceptors EXCEPT: Follicular receptor, Thermoreceptor, Pacinian Corpuscle, Meissners Corpuscle

A

Thermoreceptor

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6
Q

What is the fluid in the scala tympani?

A

Perilymph

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7
Q

What are the structures coming directly out from the spinal cord?

A

Rootlets

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8
Q

Neurons that conduct nerve impulses from the receptors to the CNS are?

A

Sensory

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9
Q

What dermatome is at the umbilicus?

A

T10

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10
Q

The end of the paravertebral ganglion is the?

A

Ganglion Impar

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11
Q

Which fiber type responds to stretch (as in the knee tap reflex)?

A

1a = One “A”

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12
Q

The elongated nerve root from L2-S2 are called?

A

Cauda Equina

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13
Q

What cranial nerve delivers presynaptic parasympathetic fibers to adbominal viscera?

A

Vagus

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14
Q

In what substance are the stereo cilia of spiral organ hair cells embedded?

A

Cupula

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15
Q

Which muscle is innervated by two branches of Ansa Cervicalis?

A

Omohyoid

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16
Q

The glossopharyngeal nerve provides parasympathetic innervation to the:

A

Parotid gland

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17
Q

Loss of cutaneous sensation and paralysis of muscles on the medial plantar side of the foot indicates damage of which nerve?

A

Tibial

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18
Q

The sympathetic division of the ANS is also referred to as the:

A

Thoracolumbar division

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19
Q

The greater occipital nerve is derived from the:

A

Dorsal rami of C2

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20
Q

Which nerve pierces the anterior surface of the psoas major, runs inferiorly, and innervates the genitalia and femoral triangle?

A

Genitofemoral

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21
Q

The tympanic nerve is a branch from which cranial nerve?

A

Trigeminal

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22
Q

What type of fibers are in the main facial root (facial nerve proper)?

A

Parasympathetic

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23
Q

What nerve provides the preganglionic GVE innervation to the submandibular ganglion?

A

Chorda tympani

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24
Q

Which range of spinal cord segments contribute to the cervical plexus?

A

C1 - C4

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25
Crossed effects are associated with which reflex?
Withdrawal
26
Which fiber transmits signals the slowest?
"C"
27
What is the connective tissue layer that encloses a single nerve fiber?
Endoneurium
28
"Special" functional components get their name b/c:
They are derived from the pharyngeal arches
29
Which nerve roots form the lumbosacral trunk?
L4, L5
30
Satellite cells:
Surround neuronal cell bodies
31
Compensatory eye mvmt is stimulated by activating the:
Superior olive
32
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)
33
Which organelle produces glycoproteins and lysosomes?
Golgi body
34
Where are the olfactory (receptor) nerves?
Nasal epithelia
35
The jxn b/w two nerve cells is called:
Gap jxn
36
Which supraclavicular branch is AKA the anterior branch?
Medial
37
What cranial nerve opening does the trochlear nerve pass through?
Superior Orbital Fissure
38
A patient comes in having burned the tip of the tongue. What nerve was stimulated?
Trigeminal
39
Which nerve carries the motor component of the trigeminal nerve?
Mandibular
40
What is in the epidural space surrounding
Fat
41
The pudendal nerve originates from the anterior division of:
S2, S3, S4
42
What root(s) contribute to the phrenic nerve?
C3, C4, C5
43
The ciliary body is in the same optic layer as?
The choroid
44
What cranial opening does the vagus nerve pass through to exit the skull?
Jugular foramen
45
The olfactory tract are the axons of which cells?
Mitral
46
Which nerve branches directly from a root?
Long thoracic
47
Which roots contribute to the radial nerve?
C5, C6, C7, C8, T1
48
Which cranial nerve exits caudal to the inferior colliculus?
Trochlear
49
Which is a vagus nerve ganglion?
Geniculate
50
What ganglion does the preganglionic parasympathetic fibers of the oculomotor nerve synapse in?
Ciliary
51
Which type of glial cell is a satellite cell most like?
Astrocyte
52
What type of cells are located in the ventricular zone of the neural tube?
Pluripotent stem cells
53
What cranial nerve innervates the inferior oblique?
Oculomotor
54
The upper and middle trunks of the brachial plexus combine to form the ___ cord.
Lateral
55
Which splanchnic nerves receive their input from the sympathetic trunk levels T10 and T11?
Lesser
56
What is the minimal number or neurons required for a simple reflex circuit?
2
57
What functional component is associated w/ taste?
SVA
58
What type of reflex is stimulated by tapping the patellar tendon?
Myotatic
59
Which of the following is true of BOTH the parasympathetic and sympathetic divisions of the ANS?
They use acetylcholine as the NT in the ganglia.
60
Where are the receptors for the auditory system?
Spiral organ
61
Which layer of the neural tube produces stem cells?
Ventricular
62
The jxn b/w an axon and a muscle fiber is called?
Neuromuscular jxn
63
Which nerve carries GSA input from the mucosa of the anterior 2/3rd of the tongue?
Mandibular
64
Which cell (soma) is a part of the PNS?
Multipolar neuron
65
What nerve innervates the laryngeal mucosa?
Internal laryngeal
66
Which of the following converts pressure waves in the endolymph into nerve impulses?
Round window
67
The neuroglial cell involved in the blood brain barrier?
Astrocyte
68
What fluid bathes the optic nerve?
CSF
69
Which are thermoreceptors?
Free nerve endings
70
What type of fiber does the intermediate nerve carry?
Both motor and sensory
71
There are ___ pairs of spinal nerves.
31
72
Which cranial nerve exits caudal to the inferior colliculus?
Trochlear
73
What is the most common type of glioma?
Astrocytoma
74
Neurons that conduct nerve impulses from the receptors to the CNS are?
Afferent
75
Embryologically, the optic nerve is derived from the:
Diencephalon
76
The nerves of the brachial plexus innervate the:
Upper limb
77
Which plexus is covered by the psoas major?
Lumbar
78
Where are the Golgi Tendon Organs?
Muscle tendon jxn
79
The ciliary ganglion lies lateral to which nerve?
Optic
80
Lesions of the femoral nerve causes which condition? | paralysis of ____
Paralysis of Vastus Laterals
81
Which leads to the formation of the filum terminale?
Degeneration of the spinal cord
82
What type of photoreceptor is in the fovea centralism of the retina?
Cones
83
The sense that tells us which muscles are contracted, the amount of tension in a joint, the positions of the joints, and orientation of the head is called:
Proprioception
84
What are the main output neurons from the olfactory bulb?
Mitral cells

PNS KZ (1 decks)

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