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Basic Life Sciences > Oral biology > Flashcards

Oral biology Flashcards

1
Q

what is the axial skeleton composed of?

A

skull, spinal column, ribcage

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2
Q

choose the correct statement about orbits:

A

orbit is made up of facial and cranial bones

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3
Q

which vertebra has no body?

A

atlas

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4
Q

which capsule encloses the temporal mandibular joint like a tube?

A

fibrous capsule

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5
Q

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

A

maxillary artery

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6
Q

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

A

olfactory

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7
Q

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

A

midbrain

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8
Q

what is the mesothelium derived from?

A

mesoderm

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9
Q

what is the most common type of cell in skin?

A

keratinocytes

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10
Q

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

A

The frontal belly of the occipito- frontalis muscle

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11
Q

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

A

all act on the tongue

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12
Q

posterior ethmoidal paranasal sinuses drain into the

A

superior meatus

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13
Q

which of the following is true about paranasal sinuses?

A

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

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14
Q

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

A

submandibular

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15
Q

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

A

parotid

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16
Q

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

A

styloglossus

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17
Q

antibiotics that act by inhibiting the RNA polymerase enzyme include:

A

Rifampicin

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18
Q

what do geniohyoid, stylohyoid and hypoglossus have in common?

A

all act on the tongue

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19
Q

where is sensory information from the maxillary molars supplied from?

A

Posterior superior alveolar nerve

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20
Q

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

A

sigmoidal sinus

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21
Q

what describes the suprahyoid muscles?

A

form the floor of oral cavity and above hyoid bone

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22
Q

sphenoid and ethmoidal paranasal sinuses drain into what?

A

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)

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23
Q

how does the internal caroic enter the cranial cavity?

A

carotid canal through foramen lacerum

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24
Q

Muscle responsible for wrinking forehead?

A

anterior belly of occipito-frontalis

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25
Q

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

A

trigeminal V3 (mandibular branch)

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26
Q

What is in the carotid sheath?

A

Carotid artery

27
Q

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

A

between superficial and mylohyoid muscle

28
Q

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

A

CN V, CN VI, CN VII

29
Q

parotid/ submandibular/ sublingual gland- which is mixed?

A

submandibular gland

30
Q

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

A

CN VI (abducens)

31
Q

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

A

thick

32
Q

what suture joins the parietal bone?

A

saggital suture

33
Q

In long bones, what is the shaft called?

A

diaphysis

34
Q

vertebrae for rotational movement?

A

Axis

35
Q

which vertebrae does not have a body?

A

Atlas

36
Q

Where is simple squamous epithelia found?

A

Alveoli and capillaries

37
Q

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

A

Genioglossus

38
Q

Which sinus leaves at the jugular foramen?

A

Sigmoid sinus (and the inferior petrosal sinus)

39
Q

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

A

Maxillary artery

40
Q

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

A

CN VII (facial)

41
Q

which muscle does the parotid gland pierce?

A

buccinator

42
Q

which paranasal sinuses do not drain into the middle meatus?

A

spheno-ethmoidal and the posterior ethmoidal sinus

43
Q

which salivary gland produces the most un-stimulated saliva?

A

submandibular gland

44
Q

where does the parotid duct open?

A

next to the second maxillary molar

45
Q

what is in the larynx?

A

cricoid cartilage

46
Q

where does the auditory tube open into?

A

nasopharynx

47
Q

what is a feature of mucins?

A

hydrophobic

48
Q

which of these is not a type of connective tissue?

A

Muscle

49
Q

What makes up the axial skeleton?

A

skull, spinal column, and ribcage

50
Q

What are the orbits made up of?

A

both

51
Q

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?

A

Maxilla

52
Q

Where does the optic nerve exit the skull?

A

optic canal

53
Q

which vertebra does not have a body?

A

atlas

54
Q

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:

A

coronal plane

55
Q

the connective tissue sheath around a peripheral nerve is

A

epineurium

56
Q

which is not supported by bronchial blood supply?

A

alveolar capillary

57
Q

what causes cleft lip? Incomplete joining of…

A

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

58
Q

what does the carotid sheath not contain?

A

sternacleinomastoid

59
Q

how does the internal carotid artery enter the skull?

A

carotid canal

60
Q

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

A

it is connected to veins outside the skull

61
Q

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

A

sigmoidal sinus

62
Q

how do you test hypoglossal nerve damage?

A

Stick tongue out

63
Q

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

A

Olfactory

64
Q

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

A

trigeminal (CN V)

Basic Life Sciences (6 decks)

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