Pons/Midbrain Poll Everywhere

Superior colliculus

Identify the marked structure

Pons

Identify the structure labeled "P"

mid brain

Identify the structure labeled "MB"

Cerebral peduncles

Identify the marked structures

Facial (motor) nucleus

Identify the structures indicated by the outline and letter "A"

Spinal trigeminal nucleus

Identify the structures indicated by the green outline

Oculomotor nucleus (CN III)

Identify the structures indicated by the outline and letter "A"

Periaquaductal gray

Identify the structures indicated by the outline and letter "A"

Substantia nigra

Identify the structures indicated by the pink outline

medial lemniscus

Identify the structures indicated by the outline and letter "A"

Corticospinal tracts

Identify the structures indicated by the green outline

Trigeminal motor nucleus

motor = medial

Identify the structures indicated by the outline and letter "A"

Principle sensory nucleus

Identify the structures indicated by the green outline

Mesencephalic nucleus

Identify the structures indicated by the pink outline

middle cerebellar peduncle (MCP)

Identify the structures indicated by the outline and letter "A"

Superior cerebellar peduncle

Identify the structures indicated by the pink outline

substantia nigra

Identify the structures indicated by the outline and letter "A"

Red nucleus

Identify the structures indicated by the outline and letter "A"

C. Superior cerebellar & posterior cerebral aa

The 2 blood vessels that give blood supply to midbrain are:

A. PICA & AICA

B. Basilar & PICA

C. Superior cerebellar & posterior cerebral aa

D. posterior cerebral & middle cerebral aa

E. Basilar & superior cerebellar aa

B. Basilar artery

The main blood supply to the pons is the:

A. vertebral artery

B. Basilar artery

C. Superior cerebellar artery

D. PICA

E. AICA

E. Contralateral spastic paresis to the body

Describe the signs/symptoms if structure "A" is lesioned

A. Ipsilateral loss of fine touch to the body

B. Ipsilateral loss of pain & temperature to the face

C. Contralateral flaccid paralysis to the upper extremity

D. Ipsilateral loss of vibratory sense to the body

E. Contralateral spastic paresis to the body

A. contralateral loss of vibratory sense from the body

Describe the signs/symptoms if structure "A" is lesioned

A. contralateral loss of vibratory sense from the body

B. contralateral spastic paresis to the body

C. Ipsilateral loss of pain & temp from the body

D. contralateral flaccid paralysis to the body

E. ipsilateral loss of vibratory sense from the body