Irene Gold Part 1 Exam Questions And Answers Verified 100% Correct

Irene Gold Part 1 Exam Questions And Answers Verified
100% Correct
Function of optic nerve - ANSWER 1. Vision
2. Afferent pupillary light reflex

Origin of oculomotor nerve - ANSWER Midbrain

Foramen of oculomotor nerve - ANSWER Superior orbital fissure

Function of oculomotor nerve - ANSWER 1. Motor for eye muscles except superior
oblique and lateral rectus
2. Efferent pupillary light reflex

Origin of trochlear nerve - ANSWER Midbrain

Foramen of trochlear nerve - ANSWER Superior orbital fissure

Function of trochlear nerve - ANSWER Motor for superior oblique

Origin of ophthalmic nerve - ANSWER Pons

Foramen of ophthalmic nerve - ANSWER Superior orbital fissure

Function of ophthalmic nerve - ANSWER 1. Sensory for canthus to bald spot
2. Afferent corneal reflex
3. Afferent oculocardiac reflex

Origin of maxillary nerve - ANSWER Pons

Foramen of maxillary nerve - ANSWER Foramen rotundum

Function of maxillary nerve - ANSWER Sensory for canthus to corner of mouth

Origin of mandibular nerve - ANSWER Pons

Foramen of mandibular nerve - ANSWER Foramen ovale

Function of mandibular nerve - ANSWER 1. Sensory for corner of mouth to chin and
tongue
2. Motor for muscles of mastication and tensor tympani
3. Jaw jerk reflex

,Origin of abducens nerve - ANSWER Pons

Foramen of abducens nerve - ANSWER Superior orbital fissure

Function of abducens nerve - ANSWER Motor for lateral rectus

Origin of facial nerve - ANSWER Pons

Foramen of facial nerve - ANSWER Internal acoustic meatus

Function of facial nerve - ANSWER 1. Taste in anterior 2/3 of tongue
2. Motor for facial muscles and stapedius
3. Efferent corneal reflex
4. Lacrimation and salivation

Origin of vestibulocochlear nerve - ANSWER Pons

Foramen of vestibulocochlear nerve - ANSWER Internal acoustic meatus

Function of vestibulocochlear nerve - ANSWER 1. Balance
2. Hearing

Origin of glossopharyngeal nerve - ANSWER Medulla

Foramen of glossopharyngeal nerve - ANSWER Jugular foramen
Function of glossopharyngeal nerve - ANSWER 1. Taste in posterior 1/3 of tongue
2. Motor for stylopharyngeus
3. Afferent carotid reflex
4. Afferent gag reflex
5. Salivation

Origin of vagus nerve - ANSWER Medulla

Foramen of vagus nerve - ANSWER Jugular foramen

Function of vagus nerve - ANSWER 1. Sensory for tympanic membrane
2. Motor for palate, pharynx, and larynx
3. Efferent carotid, gag, and oculocardiac reflexes

Origin of spinal accessory nerve - ANSWER Medulla

Foramen of spinal accessory nerve - ANSWER Jugular foramen

,Function of spinal accessory nerve - ANSWER Motor for SCM and trapezius

Origin of hypoglossal nerve - ANSWER Medulla

Foramen of hypoglossal nerve - ANSWER Hypoglossal foramen

Function of hypoglossal nerve - ANSWER Motor for intrinsic tongue muscles

Foramen for middle meningeal artery - ANSWER Foramen spinosum

Origin of temporalis - ANSWER Temporal fossa

Insertion of temporalis - ANSWER Coronoid process of mandible

Action of temporalis - ANSWER Closes jaw

Origin of masseter - ANSWER Zygomatic arch

Insertion of masseter - ANSWER External angle of jaw

Action of masseter - ANSWER Closes jaw

Origin of medial pterygoid - ANSWER Medial pterygoid process

Insertion of medial pterygoid - ANSWER Internal angle of jaw

Action of medial pterygoid - ANSWER Closes jaw
Origin of lateral pterygoid - ANSWER Lateral pterygoid process

Insertion of lateral pterygoid - ANSWER 1. Disc of TMJ
2. Condyle of mandible

Action of lateral pterygoid - ANSWER Opens and depresses jaw

Parasympathetic fibers of the oculomotor nerve travel from the midbrain to - ANSWER
Edinger-Westphal nucleus

Edinger-Westphal nucleus relays input to - ANSWER Ciliary ganglion

Parasympathetic function of oculomotor nerve - ANSWER Pupillary constriction

Parasympathetic fibers of the facial nerve travel from the pons to - ANSWER Superior
salivatory nucleus

, Superior salivatory nucleus relays input to - ANSWER 1. Sphenopalatine ganglion
2. Sphenomandibular ganglion

Parasympathetic function of facial nerve - ANSWER 1. Lacrimation
2. Salivation

Parasympathetic fibers of the glossopharyngeal nerve travel from the medulla to -
ANSWER Inferior salivatory nucleus

Inferior salivatory nucleus relays input to - ANSWER Otic ganglion

Otic ganglion innervates - ANSWER Parotid gland

Parasympathetic fibers of the vagus nerve travel from the medulla to - ANSWER Vagal
ganglion

Vagal ganglion innervates - ANSWER Throat to first 2/3 of transverse colon

Pelvic splanchnic nerves arise from - ANSWER S2-4

Function of pelvic splanchnic nerves - ANSWER 1. Erections
2. Bladder control
3. Bowel control of distal 1/3 of colon

Sympathetic nervous system originates from - ANSWER T1-L2 lateral horn

Neurotransmitter released by preganglionic sympathetic neurons -
ANSWER
Acetylcholin
e
Neurotransmitter released by postganglionic sympathetic neurons - ANSWER
1.
Epinephrine
2. Norepinephrine

Epinephrine and norepinephrine stimulate __________ receptors - ANSWER
Adrenergic

Cardiac plexus arises from - ANSWER T1-4

Greater splanchnic nerves arise from - ANSWER T5-9

Greater splanchnic nerves form - ANSWER Celiac plexus