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Which is the area of greatest visual acuity?
Which photoreceptor allows us to see color?
calcification of the lens leads to the formation of
Most of the eyeball muscles are innervated by
Pupillary dilation is produced by
What regulates the size of the pupil?
The cerebrum was derived embryonically from the
The genu is a feature of?
One main function of the hippocampus is
short term memory
CSF is secreted by the?
Normall the CSF is
Clear and slight viscuous
The superior sagittal sinus houses
Anterior to the cerebellum is the
Dura mater is also known as?
The falx cerebri and falx cerebelli are made of
The sciatic nerve belongs to which nerve plexus?
Lesion to radial nerve
Lesion to ulnar nerve
Lesion to axillary nerve
Lesion to musculocutaneous nerve
porter's hand tip
Lesion to median nerve
Lesion to median and ulnar nerve
Which nerve houses parasympathetic nerves to the sexual organs?
The dorsal root of a spinal nerve houses
The lowest point of the spinal cord is called what? and located at what vertebral level?
Conus medullaris. L2
What produces pupillary constriction?
What is the fatty substance layer that covers a fetus?
What causes "heavy for due date"
How is a baby measured?
Crown to rump length
Which lobe expresses emotion and love?
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?
What does rhomboncephalon dilate into?
Metencephalon and myelencephalon
What does the telencephalon form?
Cerebrum; cerebral lobes; corpus callosum
What does the diencephalon form?
thalamus- relay center
What are the lobes of the cerebellum?
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
Where is the cervical plexus formed from?
Where is the brachial plexus formed from?
Where is the lumbar plexus formed from?
Where is the sacral plexus formed from?
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?
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
CN's involved with the eye
CN II; CN III; CN IV; CN V; CN VI
3 1 2 parietal lobe
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
44 45 Frontal lobe
Meaning of spoken words
17 size and shape
19 color association
Meaning of printed words
Anatomy final exam review of the nervous system