Head and Neck

Question 0

Primary curvatures

Answer 0

Thoracic and sacral

Question 1

MC site of berry aneurysm

Answer 1

ACOM

Question 2

Structures within the vertebral canal

Answer 2

Spinal cord, dorsal and ventral nerve roots, meninges

Question 3

Where are the spinal nerves located?

Answer 3

Outside the vertebral canal - exit through the intervertebral Foramen

Question 4

Vertebral dislocation without fracture

Answer 4

Cervical only - articular surfaces inclined horizontally

Question 5

Vertebral dislocation with fracture

Answer 5

Thoracic and lumbar - articular surfaces inclined vertically

Question 6

Fish mouth deformity of X-ray

Answer 6

Sickle cell anemia - central depression in vertebral body

Question 7

Absent vertebral arch with no neurologic deficits

Answer 7

Spina bifida occulta

Question 8

Scottie dog sign

Answer 8

Fracture of neck of the dog - fracture of pars interarticularis

Question 9

View to see Scottie dog sign

Answer 9

Oblique view on X-ray

Question 10

Usual site of spondylolisthesis

Answer 10

Degenerative: L5-L5
Congenital: L5-S1

Anterior subluxation

Question 11

Bamboo spine on X-ray

Answer 11

Ankylosing spondylosis

Question 12

Ankylosing spondylosis usually affects what region

Answer 12

Sacroiliac

Question 13

Remnant of notochord

Answer 13

Nucleus pulposus

Question 14

Usual herniation of nucleus pulposus

Answer 14

Posterolaterally

NP –> PL

Question 15

MC level of disc herniation

Answer 15

L5-S1

Question 16

Common s/s of disc herniation

Answer 16

If at L5-S1 usually pain at back and lateral leg radiating to sole of the foot (sciatica)

Question 17

Plexus involved in posterior epistaxis

Answer 17

Woodruff’s plexus

Question 18

Plexus involved in anterior epistaxis

Answer 18

Hesselbach’s plexus/ Little’s area

Kieselbach?

Question 19

Treatment of choice for Juvenile nasopharyngeal angiofibroma

Answer 19

Angioembolization

Question 20

Soap bubble on X-ray

Answer 20

Ameloblastoma

Question 21

MC malignant tumor of parotid gland

Answer 21

Mucoepidermoid carcinoma

Question 22

Trigeminal neuralgia - what ganglion?

Answer 22

Gasserian

Question 23

Ganglion of CN 7

Answer 23

Geniculate ganglion

Question 24

Sensory innervation: tip of nose

Answer 24

V1

Question 25

Sensory innervation: side of nose

Answer 25

V2

Question 26

Sensory innervation: lower lip

Answer 26

V3

Question 27

Sensory innervation: upper lip

Answer 27

V2

Question 28

Sensory innervation: temples

Answer 28

V3

Question 29

Innervation: muscles of mastication

Answer 29

V3

Question 30

Innervation: stylohyoid

Answer 30

CN 7

Question 31

Innervation: platysma

Answer 31

CN 7

Question 32

Innervation: anterior digastric

Answer 32

CN 5

Question 33

Innervation: superior omohyoid

Answer 33

Ansa cervicalis

Question 34

Sensory innervation: scalp near hair line anteriorly

Answer 34

V1

Question 35

Sensory innervation: posterior scalp

Answer 35

C2

Question 36

Sensory innervation: shoulder

Answer 36

C5

Question 37

Sensory innervation: thumb

Answer 37

C6

Question 38

Which cranial nerves exit from the pons

Answer 38

CN 5, 6, 7, 8

Question 39

Glands innervated by CN 7

Answer 39

Submandibular Sublingual Lacrimal

Question 40

Inn of parotid gland

Answer 40

CN 9

Question 41

Ear muscle innervated by CN 7

Answer 41

Stapedius

Question 42

Innervation of tensor tympani

Answer 42

V3

Question 43

Innervation: muscles for facial expression

Answer 43

CN 7

Question 44

Trumpeter's muscle

Answer 44

Buccinator | For blowing

Question 45

Nerves that exit cerebellar pontine angle

Answer 45

CN 5, 7, 8

Question 46

Exit of CN 7

Answer 46

Stylomastoid foramen

Question 47

Crocodile tears

Answer 47

Facial nerve | Proximal to geniculate ganglion

Question 48

Corneal reflex afferent nerve - be specific

Answer 48

Nasociliary nerve of V1

Question 49

Exits optic canal

Answer 49

Optic nerve | Ophthalmic artery

Question 50

Exists sup orbital fissure

Answer 50

Ophthalmic vein Ophthalmic nerve CN 3,4,6

Question 51

Fracture of pterion - what vessel is likely injured?

Answer 51

MMA

Question 52

Anosmia, raccoon eye, rhinorhea - what part of cranium fractured

Answer 52

Anterior cranial fossa

Question 53

Innervation: muscles of deglutition

Answer 53

CN 9

Question 54

Innervation: Muscles for phonation

Answer 54

CN 10

Question 55

PCA - branch of?

Answer 55

Basilar artery

Question 56

Basilar artery - branch of ?

Answer 56

Vertebral artery

Question 57

Precentral gyrus

Answer 57

Motor | Area 4

Question 58

Post central gyrus

Answer 58

Sensory | Areas 1,2,3

Question 59

Heschl's gyrus

Answer 59

Primary auditory | Areas 41,42

Question 60

Broca's area

Answer 60

Inferior frontal Area 44,45 "Bulol" - expressive aphasia With inferiority complex

Question 61

Wernicke

Answer 61

Superior temporal | Area 22,39

Question 62

Primary visual cortex

Answer 62

Area 17

Question 63

Blood supply of occipital lobe

Answer 63

PCA

Question 64

Lateral brain blood supply

Answer 64

MCA

Question 65

Medial brain blood supply

Answer 65

ACA

Question 66

Loss of sensation in dura of middle cranial fossa

Answer 66

CN 5

Question 67

Dura above tentorium

Answer 67

CN 5 Headache - forehead and face

Question 68

Dura below tentorium

Answer 68

First 3 cranial nerves Headache - back of head to neck

Question 69

Scalp wound - gaping

Answer 69

Galea aponeurotica

Question 70

Scalp wound infection

Answer 70

Loose areolar

Question 71

Layers of scalp

Answer 71

``` SCALP Sweat and sebaceous glands Connective tissue Aponeurosis - dense regular CT Loose connective - EMISSARY veins here Pericranium/ periosteum ```

Question 72

Dense regular connective tissues in the body

Answer 72

Tendons Ligaments Aponeurosis

Question 73

Thinnest part of skull

Answer 73

Pterion

Question 74

Junction of 4 major bones of the skull

Answer 74

Pterion

Question 75

Type of hematoma with fracture to pterion

Answer 75

Epidural | MMA involved

Question 76

External auditory meatus - epithelium

Answer 76

Lateral 1/3 - cartilaginous | Medial 2/3 - biby

Question 77

Length of EAM

Answer 77

2.5 cm

Question 78

TM layers

Answer 78

Outer - cutaneous Intermediate - fibrous Inner - mucous

Question 79

Internal TM innervation

Answer 79

Tympanic branch of CN 10

Question 80

Cone of light

Answer 80

Antero-inferior quadrant | Originating from the UMBO

Question 81

Tympanic cavity - within what bone

Answer 81

Peteous

Question 82

Hyperacusis - CN? Muscle?

Answer 82

Stapes it's | CN 7

Question 83

Innervation of tensor tympani

Answer 83

V3

Question 84

Chorda tympani from what CN?

Answer 84

CN 7

Question 85

Pain from TM in otitis media - what nerve?

Answer 85

CN 9

Question 86

Present sinuses at birth

Answer 86

Maxillary | Ethmoid

Question 87

Largest sinus

Answer 87

Maxillary | Also most commonly infected

Question 88

Blow out fracture - what bones involved?

Answer 88

Floor or orbit | Roof of maxillary

Question 89

Drains into middle meatus

Answer 89

Maxillary Frontal Anterior ethmoid Middle ethmoid

Question 90

Drains into superior meatus

Answer 90

Posterior ethmois

Question 91

Where does the sphenoid sinus drain into?

Answer 91

Sphenoethmoidal recess

Question 92

What lies above the sphenoid sinus

Answer 92

Pituitary gland

Question 93

Injury to right optic nerve

Answer 93

Blind right eye | Think: optic neuritis

Question 94

Optic chiasm

Answer 94

Bitemporal hemianopsia | Think: pituitary tumor

Question 95

Right angle chiasm

Answer 95

Right nasal hemianopsia | Think: ICA aneurysm

Question 96

Right optic tract

Answer 96

Left homonymous hemianopsia | Think: vascular problem

Question 97

Paired cranial bones (2)

Answer 97

Parietal Temporal Unpaired: frontal, occipital, sphenoid, ethmoid

Question 98

Unpaired facial bones (2)

Answer 98

Vomer Manible (Vonga si Mandy pero single) Paired: zygomatic, maxilla, nasal bones, lacrimal bones, palatine bones, inferior conchae

Question 99

Most common facial fracture

Answer 99

Nasal bone fracture

Question 100

Origin of middle meningeal artery

Answer 100

Maxillary artery

Question 101

What produces CSF

Answer 101

Choroid plexus

Question 102

Rotates the eyeball so that the cornea looks upward and laterally

Answer 102

Inferior oblique muscle

Question 103

Rotates eyeball so that cornea looks downward and laterally

Answer 103

Superior oblique muscle

Question 104

Muscle that dilates the pupil

Answer 104

Dilator pupillae of iris | Sympathetic innervation

Question 105

Constricts the pupil

Answer 105

Sphincter pupillae of iris | Parasympathetic via CN III

Question 106

Muscle for accommodation

Answer 106

Ciliary muscle Parasympathetic via CN III Lens become more globular

Question 107

Origin of lacrimal nerve

Answer 107

V1

Question 108

Outer 1/3 of external auditory meatus

Answer 108

Elastic cartilage

Question 109

Inner 2/3 of external auditory meatus

Answer 109

Bone

Question 110

What divides the cochlear canal into the scala vestibuli above and scala tympani below

Answer 110

Basilar membrane

Question 111

Muscles of mastication

Answer 111

Masseter Temporalis Lateral pterygoid Medial pterygoid Innervated by V3

Question 112

Reduction of temporomandibular joint dislocation - what direction?

Answer 112

Press thumbs downward and push the jaw backward

Question 113

Inability to depress eye when abducted

Answer 113

SO