Spinal anatomy 2 Flashcards
1
Q
where does the conus medullaris end? L1/L2 L2/L3 L3/L4 L4/L5
A
L1/L2 (adult)
L2/L3 in child
2
Q
cranial nerve VII is located on which of the following branchial arches? 1 2 3 4-6
A
2
3
Q
which of the following cranial nerves provides motor function to the anterior 2/3rd tongue? V VLL X XII
A
XII
4
Q
which of the following is considered a false vocal cord? cuneiform cartilage cricoid cartilage arytenoid cartilage ventricular fold
A
ventricular fold
cartilage won’t make a cord
5
Q
which muscle is responsible for flexing the neck? longus colli semispinalis cervices sternocleidomastoideus semispinalis capitus
A
longus colli
SCM only bilateral not main function
6
Q
visceral organs originate from which of the following \_\_\_ somatic splanchnic endoderm mesoderm
A
endoderm
visceral muscles = splanchnic somites = smooth muscles
somatic = skeletal muscle
7
Q
which of the following is the main qualification in naming a neuron? the number of projections coming off the shape of the axon the length of the axon the width of the axon
A
the number of projections coming off
8
Q
the mechanical receptor for vibration is \_\_\_ pacinian ruffini merkle's free naked nerve endings
A
pacinian
Ruffini = joint postion
merkle’s = touch
free naked = pain
9
Q
the respiratory center is located in the \_\_\_ pons cortex thalamus midbrain
A
pons (and medulla)
10
Q
a decrease in dopamine will affect which of the following? substantia nigra vermis broca's area somatosensory cortex
A
substantia nigra
11
Q
beta amyloids are located in which of the following organs? liver kidney brain lung
A
brain
associated with lewy bodies and Alzheimer’s
12
Q
a problem in Broca's area could lead to which of the following? sensory aphasia motor aphasia visual loss loss of light touch
A
motor aphasia
13
Q
which of the following is responsible for making myelin in peripheral nerves? Schwann cells oligodendrocytes astrocytes ependymal cells
A
Schwann cells
oligodendrocytes = CNS astrocytes = blood brain barrier
14
Q
a schwannoma is located where? myelin sheath oligodendrocytes fibrous tissue dermatogenous origin
A
myelin sheath tumor
15
Q
CSF will flow into the interventricular system through \_\_\_\_ cerebral aqueduct foramen magende Forman monroe third ventricle
A
foramen monroe
