Principles 2 Final: eyeball

Question 1

Primary motor nerve to extra ocular mucles of the orbit

Answer 1

Oculomotor nerve (III)

Question 2

Efferent pathway for occulocardiac reflex

Answer 2

Vagus nerve (X)

Question 3

Afferent limb of cardiovascular reflex

Answer 3

trigeminal (V)

Question 4

Carbonic anhydrase inhibitors

Answer 4

reduces aqueous humor production

Question 5

cholinergic agonists

Answer 5

used to constrict pupil

Question 6

beta blockers

Answer 6

reduces aqueous humor production

Question 7

mydriatics

Answer 7

pupillary dilator

Question 8

prostaglandins

Answer 8

promotes uveoscleral outflow of aqueous

Question 9

Primary motor nerve to extra ocular muscles of orbit

Answer 9

oculomotor nerve (III)

Question 10

normal intraocular pressure

Answer 10

12-20 mmHg

Question 11

Peribulblar block: inject where

Answer 11

above and below orbit

Question 12

peribulbar block target

Answer 12

orbicularis occuli muscle

Question 13

Subtendon block target

Answer 13

between sclera and tenons capsule

*catheter based

Question 14

Retrobulbar block target

Answer 14

LA in muscle cone

Question 15

treatment of retrobulbar hemmorrhage

Answer 15

canthotomy

releases orbital pressure by cutting lateral canthus