anatomy

Question 1

which of the following is the largest branch of the ophthalmic nerve?

Answer 1

frontal

Question 2

nerve supply for the lacrimal gland?

Answer 2

mainly by lacrimal branch of ophthalminc nerve and also after joining to it branch from Z.T for sensory and deep petrosal from internal carotid for sympathetic and greater petrosal from fascial nerve for parasym.

Question 3

what is the origin of infratrochlear and supratrochlear?

Answer 3

supra => from the frontal branch of ophthalmic nerve

infra => nasociliary nerve of the ophthalmic nerve

Question 4

which of the following supply the face as a circle in the middle?

Answer 4

infratrochlear from nasociliary from ophthalmic.n

Question 5

which of the following nerve passes through foramen rotundum?

Answer 5

the maxillary nerve from trigeminal

Question 6

numerate one nerve in each superior and inferior orbital fissure passing through

Answer 6

superior => orbital branch of trigemenal

infeior => maxillary nerve of tri.

Question 7

sphenoidal and ethmoidal sinuses are supplied by

Answer 7

1- nasociliary => post.ethmoidal ranch

2- maxillary => orbital branch

Question 8

nasopalatine nerve originated from which of the following?

Answer 8

the nasal branch from indirect branches of maxillary nerve

Question 9

which of the following nasopalatine nerve supply?

Answer 9

it goes through the hard palate and supply in incisors (glands gingiva, and mucosa adjacent to )

Question 10

through which of the following foramina, meningeal branch of the mandibular nerve pass?

Answer 10

foramen spinosum

Question 11

through which of the following masseteric nerve reach masseteric muscle?

Answer 11

mandibular notch

Question 12

what is the origin of nerve to lateral pterygoid?

Answer 12

directly from mandibular nerve OR indirectly from buccal nerve which is from mandibular nerve

Question 13

of the neck of the mandible has broken, which of the following structures will be affected?

Answer 13

auriculotemporal nerve and mandibular artery

Question 14

if there is an operation involving the last molar tooth which of the following nerve will be the most at danger?

Answer 14

lingual n

Question 15

through which of the following muscles lingual nerve enter?

Answer 15

hyoglossus

Question 16

which of the following structures passes through the mandibular foramen ( not notch!!!!!!!!!!!!)?

Answer 16

foramen => inferior alveolar nerve

notch => messeter nerve

Question 17

nerve supply of lower lip and upper lip?

Answer 17

lower lip => mental nerve from inf.alveolar.n from mandibular nerve
upper lip => brnach from ing.orbital from maxillary nerve

Question 18

common carotid artery end at which level of cervical vertebrae? or ext. or internal artery originates at which level?

Answer 18

btw 3th and 4th cervical vertebrae / U.berder of the thyroid cartilage

Question 19

numerate the branches of the external carotid artery?
#########

Answer 19

ant. => fascial, lingual, sup. thyroid
post. => occipital, post. auricular
med. => ascending pharyngeal
all in the carotid triangle except the terminals and post. auricular

Question 20

blood supply of lips?

Answer 20

fascial artery in the face => superior labial and inf.labial

Question 21

numerate the branches of fascial artery in the neck and face?
########## (neck)

Answer 21

in the neck:
1- submental
2- tonsilar
3- ascending palatine
4- sublingual
in the face
1- sup.labial
2- inf.labial
3- lateral nasal
4- angular

Question 22

by which of the following lingual artery divide into 3 parts?

Answer 22

hyoglossus muscle

Question 23

by which of the following subclavian artery divided into 3 parts?

Answer 23

scalenus anterior

Question 24

taste from the anterior 2/3 of the tongue by which of the following nerves?

Answer 24

7th chorda tympani

Question 25

parasympathetic innervation to submandibular and sublingual glands are innervated by?

Answer 25

7th chorda tympani

Question 26

``` numerate the branches of the third part of maxillary artery? ####### ```

Answer 26

``` 1- inferior orbital artery 2- posterior superior alveolar artery 3- pharyngeal artery 4- greater and lesser palatine artery 5- artery to the pterygoid canal 6- sphenopalatine artery ```

Question 27

which of the following foramina, MMA and accessory meningeal artery pass?

Answer 27

mma => foramen spinusum | accessory => ovale

Question 28

innervation of u teeth by?

Answer 28

Superior alveolar nerves (post., mid, ant)

Question 29

which of the following is the terminal branch of maxillary artery?

Answer 29

sphenopalatine

Question 30

the nerve supply for post.digastric and stylohyoid?

Answer 30

fascial nerve

Question 31

geniohyoid supplied by

Answer 31

ant. ramus of C1

Question 32

which of the following muscles supplies by c1 through hypoglossal nerve

Answer 32

thyrohyoid muscle

Question 33

which of the following is the nerve supply for orbicularis oculi muscle

Answer 33

fascial nerve

Question 34

carotid sinus and body supplied by?

Answer 34

glossopharyngeal nerve by carotid branch | also branch from the vagus to the carotid body

Question 35

which of the following cranial nerves crossed 1st part of the subclavian artery to reach the thorax?

Answer 35

vagus

Question 36

numerate the nerve supply of the dura of posterior cranial fossa?

Answer 36

1- vagus (meningeal branch) 2- hypoglossal (meningeal branch) 3- meningeal nerve from mandibular from trigeminal

Question 37

which of the following nerves shares in pharyngeal plexus?

Answer 37

vagus

Question 38

All the muscles of the pharynx are innervated by which of the following nerves, EXCEPT?

Answer 38

innervated by pharyngeal branch of the cranial accessory nerve (11) except for stylopharyngeus by hypoglossal (9)

Question 39

all muscles of the larynx innervated by which of the following except?

Answer 39

by the recurrent laryngeal branch of the vagus except for the cricothyroid muscle, which is innervated by the external laryngeal branch of the superior laryngeal nerve (a branch of the vagus).

Question 40

cough and vomiting and maybe tachycardia it could be caused by?

Answer 40

irritation of the auricular branch of the vagus in the external ear by ear wax

Question 41

which of the following cranial nerves crosses the posterior tringle if the neck

Answer 41

11 CN

Question 42

all muscles of the tongue supplied by? except?

Answer 42

by hypoglossus 12 | except => palato-glossus which is supplied by vagus (10)

Question 43

patient protrude his tongue but it has deviated to the rt.side, which of the following nerves are affected

Answer 43

rt. hypoglossal nerve 12