Oral biology

Question 1

what is the axial skeleton composed of?

Answer 1

skull, spinal column, ribcage

Question 2

choose the correct statement about orbits:

Answer 2

orbit is made up of facial and cranial bones

Question 3

which vertebra has no body?

Answer 3

atlas

Question 4

which capsule encloses the temporal mandibular joint like a tube?

Answer 4

fibrous capsule

Question 5

which artery branches off to the posterior superior alveolar artery and the inferior alverolar artery?

Answer 5

maxillary artery

Question 6

mixed cranial nerves contain both sensory and motor fibres except which of the following?

Answer 6

olfactory

Question 7

which of the following is not part of the basal ganglia?

Answer 7

midbrain

Question 8

what is the mesothelium derived from?

Answer 8

mesoderm

Question 9

what is the most common type of cell in skin?

Answer 9

keratinocytes

Question 10

which of the following muscles are involved in producing horizontal wrinkles on the forehead?

Answer 10

The frontal belly of the occipito- frontalis muscle

Question 11

what do the geniohyoid, hypoglossus and stylohoid muscles have in common?

Answer 11

all act on the tongue

Question 12

posterior ethmoidal paranasal sinuses drain into the

Answer 12

superior meatus

Question 13

which of the following is true about paranasal sinuses?

Answer 13

paranasal simuses enhance the resonance of the voice and lighten the skull

Question 14

which salivary gland(s) produces the most saliva in unstimulated saliva?

Answer 14

submandibular

Question 15

which salivary gland(s) produces the most saliva in stimulated saliva?

Answer 15

parotid

Question 16

the deep part of the submandibular salivary gland lies between the mylohoid and which of the following muscles?

Answer 16

styloglossus

Question 17

antibiotics that act by inhibiting the RNA polymerase enzyme include:

Answer 17

Rifampicin

Question 18

what do geniohyoid, stylohyoid and hypoglossus have in common?

Answer 18

all act on the tongue

Question 19

where is sensory information from the maxillary molars supplied from?

Answer 19

Posterior superior alveolar nerve

Question 20

which of the following subdural venous sinuses drains into the internal jugular vein after passing through the jugular foramen?

Answer 20

sigmoidal sinus

Question 21

what describes the suprahyoid muscles?

Answer 21

form the floor of oral cavity and above hyoid bone

Question 22

sphenoid and ethmoidal paranasal sinuses drain into what?

Answer 22

all paranasal sinuses drain into middle meatus of nose except sphenoidal sinus (drains into spheno-ethmoidal recess) and posterior ethmoidal sinus (drains into superior meatus)

Question 23

how does the internal caroic enter the cranial cavity?

Answer 23

carotid canal through foramen lacerum

Question 24

Muscle responsible for wrinking forehead?

Answer 24

anterior belly of occipito-frontalis

Question 25

the skin overlying the mandible is innervated by the branch of which nerve?

Answer 25

trigeminal V3 (mandibular branch)

Question 26

What is in the carotid sheath?

Answer 26

Carotid artery

Question 27

what does the deep part of the submandibular gland lie in between?

Answer 27

between superficial and mylohyoid muscle

Question 28

which of the following nerve has its nucleus in the pons?

Answer 28

CN V, CN VI, CN VII

Question 29

parotid/ submandibular/ sublingual gland- which is mixed?

Answer 29

submandibular gland

Question 30

if a person's eyes turn medial to give a cross-eyed appearance, it is indicative of damage to the?

Answer 30

CN VI (abducens)

Question 31

Gram positive cell has a _ peptidoglycan layer in the cell wall

Answer 31

thick

Question 32

what suture joins the parietal bone?

Answer 32

saggital suture

Question 33

In long bones, what is the shaft called?

Answer 33

diaphysis

Question 34

vertebrae for rotational movement?

Answer 34

Axis

Question 35

which vertebrae does not have a body?

Answer 35

Atlas

Question 36

Where is simple squamous epithelia found?

Answer 36

Alveoli and capillaries

Question 37

A girl sticks out her tongue at you, what muscle is she using?

Answer 37

Genioglossus

Question 38

Which sinus leaves at the jugular foramen?

Answer 38

Sigmoid sinus (and the inferior petrosal sinus)

Question 39

which arteries give the branches of the posterior superior alveolar arteries and the inferior alveolar arteries?

Answer 39

Maxillary artery

Question 40

a person is hit in the face, his eye and mouth droops. Which cranial nerve is damaged?

Answer 40

CN VII (facial)

Question 41

which muscle does the parotid gland pierce?

Answer 41

buccinator

Question 42

which paranasal sinuses do not drain into the middle meatus?

Answer 42

spheno-ethmoidal and the posterior ethmoidal sinus

Question 43

which salivary gland produces the most un-stimulated saliva?

Answer 43

submandibular gland

Question 44

where does the parotid duct open?

Answer 44

next to the second maxillary molar

Question 45

what is in the larynx?

Answer 45

cricoid cartilage

Question 46

where does the auditory tube open into?

Answer 46

nasopharynx

Question 47

what is a feature of mucins?

Answer 47

hydrophobic

Question 48

which of these is not a type of connective tissue?

Answer 48

Muscle

Question 49

What makes up the axial skeleton?

Answer 49

skull, spinal column, and ribcage

Question 50

What are the orbits made up of?

Answer 50

both

Question 51

If the superior orbital fissure is connected by the frontal and sphenoid bone, what is the inferior orbital fissure connected with as well as the sphenoid bone?

Answer 51

Maxilla

Question 52

Where does the optic nerve exit the skull?

Answer 52

optic canal

Question 53

which vertebra does not have a body?

Answer 53

atlas

Question 54

The vertical plane running from side to side that separates the body or parts of the body into anterior and posterior aspects is called the:

Answer 54

coronal plane

Question 55

the connective tissue sheath around a peripheral nerve is

Answer 55

epineurium

Question 56

which is not supported by bronchial blood supply?

Answer 56

alveolar capillary

Question 57

what causes cleft lip? Incomplete joining of...

Answer 57

none of the above. it is incomplete joining of the maxillary prominences and intermaxillary process

Question 58

what does the carotid sheath not contain?

Answer 58

sternacleinomastoid

Question 59

how does the internal carotid artery enter the skull?

Answer 59

carotid canal

Question 60

the emissary veins bring extra-cranial infection to the skull because

Answer 60

it is connected to veins outside the skull

Question 61

which of the following subdural venous sinuses drains into the internal jugular vein after passing through the jugular foramen?

Answer 61

sigmoidal sinus

Question 62

how do you test hypoglossal nerve damage?

Answer 62

Stick tongue out

Question 63

mixed cranial nerves have both sensory and motor neurones, which of the following are not mixed cranial nerves?

Answer 63

Olfactory

Question 64

Skin over the angle of mandible is innervated by which nerve?

Answer 64

trigeminal (CN V)