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Which is the area of greatest visual acuity?
fovea centralis
Which photoreceptor allows us to see color?
Cones
Emmetropia is
Perfect vision
calcification of the lens leads to the formation of
cataract
Most of the eyeball muscles are innervated by
CN III
Pupillary dilation is produced by
sympathetic nerves
What regulates the size of the pupil?
Iris
The cerebrum was derived embryonically from the
telencephalon
The genu is a feature of?
Corpus callusum
One main function of the hippocampus is
short term memory
CSF is secreted by the?
Choroid plexus
Normall the CSF is
Clear and slight viscuous
The superior sagittal sinus houses
venous blood
Anterior to the cerebellum is the
4th ventricle
Dura mater is also known as?
Pachydmeninx
The falx cerebri and falx cerebelli are made of
dura mater
The sciatic nerve belongs to which nerve plexus?
sacral plexus
Lesion to radial nerve
wrist drop
Lesion to ulnar nerve
bishop's hand
Lesion to axillary nerve
epaulette shoulder
Lesion to musculocutaneous nerve
porter's hand tip
Lesion to median nerve
ape's hand
Lesion to median and ulnar nerve
claw hand
Which nerve houses parasympathetic nerves to the sexual organs?
pudendal nerve
The dorsal root of a spinal nerve houses
sensory nerves
The lowest point of the spinal cord is called what? and located at what vertebral level?
Conus medullaris. L2
What produces pupillary constriction?
Parasympathetic stimulation
What is the fatty substance layer that covers a fetus?
Vernix caseosa
What causes "heavy for due date"
Insulin
How is a baby measured?
Crown to rump length
Which lobe expresses emotion and love?
Limbic lobe
What are features of the midbrain?
Corpora quadregemina and cerebral peduncles
How many pairs of spinal nerves? How many in each section?
31 pairs. 8 Cervical. 12 thoracic. 5 Lumbar. 5 Sacral. 1 Coccygeal
What are the three dilations of the CNS
Prosencephalon. Mesencephalon. Rhomboncephalon.
What does prosencephalon dilate into?
Telencephalon and Diencephalon
What does the mesencephalon form?
Midbrain
What does rhomboncephalon dilate into?
Metencephalon and myelencephalon
What does the telencephalon form?
Cerebrum; cerebral lobes; corpus callosum
What does the diencephalon form?
Epithalamus-pineal gland
thalamus- relay center
hypothalamus- homeostasis
What are the lobes of the cerebellum?
Flocculonodular-smallest; equilibrium/balance
Posterior lobe- biggestl deals w/precise movement
anterior lobe- coordinates gross movement
What fibers does the ventral root house
motor fibers only, some sympathetic/parasympathetic
what fibers does the dorsal root house
sensory only
Where is the cervical plexus formed from?
C1-C4
Where is the brachial plexus formed from?
C5-T1
Where is the lumbar plexus formed from?
L1-L4
Where is the sacral plexus formed from?
L4- S3/S4
Which nerves are in the lumbar plexus?
Femoral and obturator
Which nerves are in the sacral plexus?
Sciatic and pudendal
Which nerves form the sciatic nerve?
Tibial and common peroneal nerve
Where do parasympathetic fibers come from?
Brain stem, S2 S3 S4
Where do sympathetic fibers come from?
Lateral horn T1-L2
What doesn't have any parasympathetic fibers?
Adrenal gland; sking structure and blood vessels
Cranial nerves that contain special senses
CN I; CN II; CN VII; CN VIII; CN IX; CN X
List all CNs that contain motor fibers
CN III; CN IV; CN V; CN VI; CN VII; CN IX; CN X; CN XI; CN XII
List CNs that have motor fibers ONLY
CN III, CN IV, CN XI; CN XII
List CNs that contain general sense fibers
CN V; CN VII; CN IX; CN X
List CNs that house parasympathetic fibers
CN III, CN VII, CN IX, CN X
What CN does Tic douloureux affect?
CN V trigeminal nerve
What is bells palsy?
Temporary paralysis of facial nerve CN VII
When is the embryonic period and what is its significance?
First 8 weeks; highest risk of congenital malformation
What is the most common congenital malformation?
Down syndrome aka trisomy 21
What is the cause of small for due date?
placenta dysfunction
What is the length of a full term pregnancy
9 months 10 days.
What does thyroid deficiency lead to?
Imbecile- mental retardation
What are signs of a sick neuron?
Displaced centrally located nuclei; perikaryon swelling; dissappeance of nissl body
What is the hippocampus responsible for?
Short term memory
Knee cap/patella
L3/L4
Motor cortex
4 4S
Frontal
Inguinal line
L1
Big Toe
L4/L5
Nipple
T 4
Little Toe
S1
Thumb
C 6
CN's involved with the eye
CN II; CN III; CN IV; CN V; CN VI
Somatesthetic sensory
3 1 2 parietal lobe
Pinky Ring
C 8
CNs involved with tongue
CN V; CN VII; CN IX; CN X; CN XII
CN's with parasympathetic fibers
CN III; CN X; CN VII; CN IX
Speech center
44 45 Frontal lobe
Umbilicus
T 10
Meaning of spoken words
40 Parietal
Visual cortex
17 size and shape
18 color
19 color association
Occipital
Meaning of printed words
39 Parietal
Index/middle
C 7
Author
Anonymous
ID
90970
Card Set
anatomy
Description
Anatomy final exam review of the nervous system
Updated
6/17/2011, 3:52:12 AM
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