Cranial Nerves&Autonomics-Exam I&II

Question 1

What are the Efferent functions of III Oculomotor? What does it innervate?

Answer 1

Somatic Motor, Visceral Motor/ParaSym….All extraoculars besides S.O. & L.R. Visceral Motor/ParaSym:Constrictor Pupillae Muscles & Ciliary Muscles

Question 2

What are the efferent functions of IV Trochlear? What does it innervate?

Answer 2

Somatic Motor…Superior Oblique

Question 3

What are the efferent functions of VI Abducens? What does it innervate?

Answer 3

Somatic Motor….The Lateral Rectus

Question 4

What are the efferent functions of V Trigeminal? What 5 muscles/groups does it innervate? Big one, boom.

Answer 4

Branchial Motor…Muscles of Masticaton, Tensor Tympani, Tensor Veli Palatini, Mylohyoid, Anterior Belly of Digastric

Question 5

What are the efferent functions of VII Facial? And what they innervate: 7 GO 4 are EASY

Answer 5

Branchial Motor:Stapedius, Stylohyoid, Post Belly Digastric, Muscles of Facial Exp & Visceral Motor/Parasym:Lacrimal Gland, Submandibular Glands, Sublingual Glands CRY & SPIT

Question 6

What are the efferent functions of XI Accessory?

Answer 6

Branchial Motor…SternoCleidoMastoid, Trapezuis

Question 7

What are the efferent functions of IX Glossopharyngeal?

Answer 7

Branchial Motor, Visceral Motor/Parasym

Question 8

What are the efferent functions of X Vagus?

Answer 8

Banchial Motor, Visceral Motor/ParaSym

Question 9

What are the efferent functions of XII Hypoglossal? What does it innervate?

Answer 9

Somatic Motor…All Intrinsic and Extrinsic tongue muscles EXCEPT THE PAL-AT-O-GLOSS-US muscles (connecting the palate to the tongue, crazy name i know)