Which of the following do not cross the Blood Brain Barrier?
Glucose
creatine
Protein
Antibiotic drugs
Proteins
And
Antibiotic drugs
What makes up the diencephalon
Thalamus
Hypothalamus
Epithalamus
The olfactory Cranial nerve goes through which foramen ?
Cribiform plate-ethmoid bone
What cranial nerves work autonomically?
10, 9, 7, 3
What foramen does the vestibulocchlear cranial nerve run through?
External auditory meatus
What intrinsic eye muscles does cranial nerve 3 innervate?
Sup. rectus
Inf. rectus
Med. rectus
Inf. oblique
What way does the inferior oblique mm move the eyeball?
It makes you look up and out
What does the autonomic component of cranial nerve three do?
Adjusts lens, affects the smooth mm of the ciliary (adjust lens) and circular mm (pupil constriction)
The abducens cranial nerve innervates what extrinsic eye mm ?
Lateral rectus (abduct eye)
the trochlear nerve is responsible for what ?
Innervates the superior oblique mm of eyeball (makes us look down and out )
What CRanial nerve is responsible for taste buds of the ant 2/3 of the tongue ?
Cranial nerve 7 (Facial nerve)
Which cranial nerve is responsible for tase buds on the post 1/3 of the tongue ?
Glossopharyngeal nerve ( 9)
What part of the Brain is continuous with the spinal cord
Brain stem
What makes up the brain stem?
Medulla oblongata
Pons
Midbrain
4 major group of the hypothalamus
1) mammillary region (relay for relfexes)
2) tuberal region (contains infundibulum)
3) supraoptic
4) preoptic
Where are the pineal gland and habenular nuclei located ?
Epithalamus
Circulation of CSF happens in what Order?
Lateral ventricles ⬇️ 3rd Ventricles ⬇️ 4th Ventricles ⬇️ Subarachnoid space ⬇️ Arachnoid villi of dural venous sinus
Cardiovascular center and medullary rhymicity area (resp center) are located in what part of the brain
Medulla oblongata
Where is the Tectum located ?
Midbrain
The inferior colliculi of the Tectum respond to what stimuli?
Auditory stimuli
The following are apart of which division of autonomic ganglia
Ciliary Ganglion
Otic
Pterygopalatine
Submandibular
Parasympathetic
What is the primary auditory area?
41, 42
What numbers (brain mapping) are apart of Wernickes area?
39,40,22
What number is the auditory association area ?
22
7, 5, 39, 40 are apart of what area in the brain?
Common integrative
How many layers of Dura mater are there in the cranial meninges?
2 layers
Periosteal (external) and meningeal (internal)
3 extensions of Dura mater separate the brain what are they ?
Falx cerebri
Falx berebelli
Tentorium cerebellum
What drains into the internal jugular veins to return blood from head to heart?
Dural venous sinuses
What are the lateral ventricles separated by ?
Septum pellucidum
What parts make up the brain stem ?
Medulla oblongata
Pons
Midbrain
An extending netlike region of interspersed grey and white matter is called what ?
Reticular formation
Where does the optic nerve cross over ?
Chiasmatic groove
Where are basal nuclei found? What are their function?
Cerebrum
They initiate movement, terminate movement, and suppress unwanted movement and regulate mm tone
This half of brain is involved with musical awareness, space and pattern perception, and facial recognition
Right hemisphere
Half of brain concerned with reasoning, numerical and scientific skills, spoken and written language
Left hemisphere
Regions of the hypothalamus
Mammillary region
Tuberal region
Supraoptic region
Preoptic region
Functions of hypothalamus
Control of ANS
Regulates eating and drinking
Controls body temperature
Regulates circadian rhythms
When are delta waves present?
Deep sleep
Principle function Trigeminal nerve
Motor->mm of mastication
Sensory->
Ophthalmic -skin over upper lid, lacrimal gland, side of nose
Maxillary-sensory from mucosa of nose, palate, upper teeth
Mandibukar- sensory (not taste) from ant 2/3 of tongue, lower teeth, floor of mouth
Non fluent aphasia
Damage to Broca’s area (44/45) inability to form words but understands
Fluent aphasia ?
Word salad-> can speak a string of words with no meaning, do not understand spoken or written words