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CBNS 116 Exam 2 Questions & Answers 2024/2025 CA$11.55   Add to cart

Exam (elaborations)

CBNS 116 Exam 2 Questions & Answers 2024/2025

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  • CBNS 116

CBNS 116 Exam 2 Questions & Answers 2024/2025 medial rostral medulla supplied by - ANSWERSanterior spinal artery lateral rostral medulla supplied by - ANSWERSposterior inferior cerebellar artery midbrain supplied by - ANSWERSposterior cerebral artery obex - ANSWERSdivides open and clo...

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  • September 27, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CBNS 116
  • CBNS 116
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CBNS 116 Exam 2 Questions & Answers
2024/2025

medial rostral medulla supplied by - ANSWERSanterior spinal artery



lateral rostral medulla supplied by - ANSWERSposterior inferior cerebellar artery



midbrain supplied by - ANSWERSposterior cerebral artery



obex - ANSWERSdivides open and closed medulla, junction between 4th ventricle and central canal



large structures appended to the anterior surface of the tegmentum: medulla - ANSWERSinferior olivary
nuclei, pyramids



large strutures appended to the anterior surface of the tegmentum: pons - ANSWERSpontine nuclei,
pontocerebellar fibers, corticospinal tract fibers



large structures appended to the anterior surface of the tegmentum: midbrain - ANSWERScerebral
peduncles



tectum - ANSWERSsuperior and inferior colliculi in midbrain



tegmentum - ANSWERScranial nerve nuclei and tracts, reticular formation



inferior colliculus - ANSWERSrelay nucleus of the central auditory pathway



cerebellar peduncles - ANSWERSconnect cerebellum to brainstem

SCP: midbrain

, MCP: pons (movement going to make)

ICP: medulla



middle cerebellar peduncle - ANSWERSconnects cerebellum to pons



superior colliculus - ANSWERSprovides spatial map of visual field



CN function - ANSWERSSome say money matters but my brother says big boobs matter more



CN III oculomotor - ANSWERSparasympathetic: pupil constriction / focuses eye (pupil dilation / lack of
even when light shined)

controls the muscle that holds eyelid up (ptosis)

moves eye vertically

moves eye medially (lateral strabismus ipsi)



CN IV trochlear - ANSWERSrolls eyes laterally and downwards



CN V trigeminal - ANSWERS- primary somatosensory nerve for the face and top of head: fine touch,
proprioception, pain and temp

- innervates muscles of mastication (chewing) and the tensor tympani (hearing)

- V1 ophthalmis: area around eyes and forehead

V2 maxillary: area of upper jaw

V3 mandibular: lower jaw



CN VI abducens - ANSWERSmotor: eyes abduct/move laterally (medial strabismus ipsi)

nucleus damage: paralysis of gaze on same side of damage (lateral gaze paralysis)



CN VII facial - ANSWERSmotor: controls face muscles (expressions - except for chewing)

anterior 2/3 tongue taste

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