Scalp, Face, Orbit

Question 1

what can 5 layers of the scalp spell

Answer 1

Skin
Connective tissue
Aponeurosis
Loose connective tissue
Periosteum

Question 2

principle sources of blood to the scalp

Answer 2

internal carotid and external carotid artery branches

Question 3

divisions of the trigeminal nerve receive sensory information from the scalp

Answer 3

all 3 divisions: ophthalamic nerve, maxillary nerve, mandibular nerve

Question 4

mandibular division, trigeminal nerve branch innervates the scalp

Answer 4

auriculotemporal nerve

Question 5

type of motor fibers to skeletal muscle that are given off by the facial nerve

Answer 5

branchial efferent (BE)

Question 6

what is the the third layer of the scalp associated with

Answer 6

muscular component of the scalp

Question 7

muscles that are specifically associated with the scalp

Answer 7

frontalis and occipitalis bellies of the epicranius muscle

Question 8

which muscles lack any attachment to bone

Answer 8

orbicularis oris, procerus, risorius

Question 9

most of the 7th cranial nerve will exit the skull via what opening

Answer 9

stylomastoid foramen

Question 10

which divisions of the trigeminal nerve receive sensory information from the face

Answer 10

all 3 divisions: ophthalmic nerve, maxillary nerve, mandibular nerve

Question 11

the optic canal is located along which wall of the orbit

Answer 11

superior wall of the orbit

Question 12

contents of the optic canal

Answer 12

optic nerve and ophthalmic artery

Question 13

name given to the medial wall of the orbit

Answer 13

lamina papyracea

Question 14

superior orbital fissure is located along which wall of the orbit

Answer 14

lateral wall of the orbit

Question 15

contents of the superior orbital fissure

Answer 15

oculomotor, trochlear and abducent/abducence cranial nerves ophthalmic division of the trigeminal cranial nerve and ophthalmic veins

Question 16

what is contained in the inferior orbital fissure

Answer 16

maxillary division of trigeminal nerve

Question 17

layers of the eyelid

Answer 17

skin, orbicularis oculi muscle, tarsal plate/tarsus and palpebral conjunctiva

Question 18

names given to the modified sebaceous gland in the tarsus of the eyelid

Answer 18

tarsal or Meibomian gland

Question 19

function of the Meibomian gland

Answer 19

produces a thick, hydrophobic substance that prevents tears from overflowing onto the cheeks along the margin of the eyelid

Question 20

what is the ciliary gland

Answer 20

modified sebaceous gland at the base of the eyelash

Question 21

what are the names given to the modified sebaceous glands of the palpebra

Answer 21

tarsal gland or Meibomian gland and ciliary gland

Question 22

name given to the union of the skin at the eyelid margins

Answer 22

medial palpebral commissure or lateral palpebral commissure

Question 23

name given to the elevation at the medial canthus

Answer 23

lacrimal caruncle

Question 24

crescent-shaped appearance of the conjunctiva at the medial canthus

Answer 24

plica semilunaris conjunctiva

Question 25

name given to the elevation at the medial margin of the eyelid

Answer 25

superior lacrimal papila or inferior lacrimal papilla

Question 26

name given to the opening at the lacrimal papilla

Answer 26

lacrimal punctum

Question 27

lacrima punctum is continuous with what structure

Answer 27

lacrimal canaliculus

Question 28

lacrimal gland is an example of what classification of gland

Answer 28

exocrine gland

Question 29

superior and inferior lacrimal canaliculi drain into what structure

Answer 29

lacrimal sac

Question 30

what is the name of the structure draining the lacrimal sac

Answer 30

nasolacrimal duct

Question 31

nasolacrimal duct will open into what specific location

Answer 31

inferior nasal meatus of nasal cavity

Question 32

specific pathways are identified with Visceral Efferent (VE) innervation

Answer 32

sympathetic and parasympathetic motor pathways

Question 33

cranial nerves involved in the VE parasympathetic pathway to the lacrimal gland

Answer 33

facial and trigeminal (maxillary and ophthalmic divisions/branches)

Question 34

parasympathetic stimulation of blood vessels in the lacrimal gland will result in what events

Answer 34

vasodilation of blood vessels, increased availability of water to secretory units, thinner or more watery product in lumen

Question 35

sympathetic stimulation of the lacrimal gland will result in what events

Answer 35

vasoconstriction of blood vessels, limited availability of water to secretory units, more viscous or thicker product formed in glandular lumen