Neuro Units 8,9,10

Question 1

The first synapse upon exiting the eye is the _____ of the thalamus

Answer 1

LGN

Question 2

What blood vessel supplies the primary visual cortex?

Answer 2

PCA

Question 3

If the primary visual cortex is wiped out what visual field deficit would you see?

Answer 3

Contralateral homonymous hemianopia

Question 4

Ventral visual processing pathways are responsible for?

Answer 4

Analyzing form, color, face and letters

Question 5

Which cells send axons into the optic nerve?

Answer 5

Ganglion cells

Question 6

Which cranial nerves exit through the superior orbital

fissure?

Answer 6

CN 3,4,6 and trigeminal v1

Question 7

You strike a tuning fork and hold it by your pts ear first and then you place it on their mastoid process. Which hearing test are you conducting

Answer 7

Rinne

Question 8

You performed the above test on your pt and they report that sound was louder when it was on their mastoid process. What type of hearing loss does your pt have?

Answer 8

Conduction- bone conduction is greater than air conduction with this

Question 9

The glossopharyngeal nerve exits the skull via?

Answer 9

Jugular foramen

Question 10

What are the four main functional groupings of the brainstem?

Answer 10

• Cranial nerve nuclei and related structures
• Long tracts
• Cerebellar circuitry
• Reticular formation and related structure

Question 11

The H & X test is used to test which cranial nerves?

Answer 11

3, 4, 6

Question 12

Ptosis, miosis and anhidrosis are symptoms of what?

Answer 12

Horner’s Syndrome

Question 13

Your pt has facial weakness on the ENTIRE left side of her face. What is this condition called?

Answer 13

Bell’s palsy

Question 14

Is respiration and circulatory control controlled by the rostral or caudal reticular formation?

Answer 14

Caudal

Question 15

What is this a picture of?

Answer 15

Open Medulla