Module 2

Question 1

what is not found in the boundary between oral cavity proper and oropharynx?

Answer 1

Palatopharyngeal fold (it’s within oropharynx)

Question 2

When is palate and upper lip fusion?

Answer 2

Week 6 (altho upper lip form w6, palate form w7)

Question 3

wt fusion failure is unilateral/bilateral/non-midline cleft LIP about?

Answer 3

Fusion of medial nasal process and maxillary process

Question 4

what fusion failure is midline cleft lip about?

Answer 4

Fusion of 2 medial nasal processes

Question 5

Wt fusion failure is cleft PALATE about?

Answer 5

Fusion of medial nasal process and maxillary process (similar to non-midline cleft lip)

Question 6

wts the gender + prevalence situation for cleft lip and palate respectively?

Answer 6

Cleft lip: more MALE,
Cleft palate: more FEMALE
they are both 1:700

Question 7

Wts % of brain volume for grey and white matter?

Answer 7

Grey matter 40%
White matter 60%

Question 8

What’s the function of grey and white matter?

Answer 8

Grey: process and integrate info
White: transmit info between grey matter regions

Question 9

massater muscle attachments, actions, nerve

Answer 9

Superficial head: ant 2/3 zygomatic arch, maxillary process -> inf ramus, mandibular angle

Deep head: post 1/3 zygomatic arch -> sup ramus, coronoid process

elevation, protrusion

Nerve: masseteric branch (trigeminal nerve CNV/3, mandibular branch, ant div)

Question 10

Temporalis muscle: attachment, action, nerve

Answer 10

Temporal fossa/ inf temporal line -> ant ramus, coronoid process

Elevation, retrusion

N: temporal branch (trigeminal nerve cn v/3, mandibular branch, ant div)

Question 11

Which tongue muscle can perform sucking action?

Answer 11

hyoglossus muscle (hyoid bone - tongue side)

Question 12

Lateral pterygoid muscle: attachment, action, nerve

Answer 12

Upper head: sphenoid -> TMJ, mandibular neck

Lower head: lateral side of lateral pterygoid plate -> mandibular neck, pterygoid fovea

DEPRESSION, protrusion, lateral movement

N: Lateral pterygoid branch (cnv/3, ant div)

Question 13

Medial pterygoid muscle: attachment, action, nerve

Answer 13

Superficial head: maxillary tuberosity, pyramidal process (palatine bone) -> ramus, mandibular angle

Deep head: medial aspect of lat pterygoid plate (sphenoid) -> ramus, mandibular angle

ELEVATION, protrusion, lateral movement

N: medial pterygoid branch (cn v/3, ant div)

Question 14

Wt is the main function for zona pellucida?

Answer 14

Prevent premature implant, protect egg, regulate sperm binding

Question 15

Wt is trophoblast forming?

Answer 15

Placenta

Question 16

What is formed in bilaminar formation in week 2?

Answer 16

Embryoblast/ Inner cell mass ->
Epiblast (yolk sac),
Hypoblast (amniotic cavity)

Question 17

Which of the following structures is not part of the ethmoid bone?

Inferior nasal concha

Perpendicular plate

Middle nasal concha

Crista galli

Cribriform plate

Answer 17

Inferior nasal concha

Question 18

What are filiform papillae?

Elongated projections of stratified squamous epithelium

Parallel low ridges separated by deep mucosal clefts

Large, dome-shaped mucosal structures

Mushroom-shaped structures with taste buds

Projections of epithelium into the underlying connective tissue

Answer 18

Elongated projections of stratified squamous epithelium

Question 19

Human skull is made up of_______bones ?

Answer 19

29

Question 20

How many cranial bones in human skull ?

Answer 20

8

Question 21

How many facial bones in human skull ?

Answer 21

14

Question 22

How many auditory bones in human skull ?

Answer 22

6

Question 23

How many hyoid bones in human skull ?

Answer 23

1

Question 24

What suture connects the two sides of parietal bone ?

Answer 24

Saggital suture

Question 25

What suture connects frontal bone & the parietal bones ?

Answer 25

Coronal suture

Question 26

What suture connects the parietal bones & occipital bone ?

Answer 26

Lambdoid suture

Question 27

What is anterior to maxillary tuberocity ?

Answer 27

Pyramidal process of palantine bone

Question 28

Upper surface of tongue is also known as__________surface

Answer 28

Dorsal

Question 29

The root of the tongue is connected to hyoid bone via which 2 muscles

Answer 29

Genioglossus, Hyoglossus

Question 30

What are the 4 types of lingual papilla

Answer 30

Fungiform, filiform, vallate, Foliate

Question 31

Taste buds are associated w/ all lingual papilla EXCEPT________

Answer 31

Filiform

Question 32

What lingual papilla is like ridges that are located on the sides of tongue

Answer 32

Foliate

Question 33

What lingual papilla is mushroom shaped

Answer 33

Vallate

Question 34

What does genio mean in anatomy

Answer 34

Chin

Question 34

What does glossal mean in anatomy

Answer 34

Close to tongue

Question 35

Genioglossus is responsible for what motion of tongue

Answer 35

Protrusion/Deviation

Question 35

Hyoglossus is responsible for what motion of tongue

Answer 35

Depress

Question 36

Styloglossus is responsible for what motion of tongue

Answer 36

Up & Back

Question 37

Palatoglossus is responsible for what motion of tongue

Answer 37

Up

Question 38

What is the asymmetric ridges of connective tissue behind incisive papilla called

Answer 38

Rugae

Question 39

What2 other things are found in soft palate besides muscle & aponeuroses of palatine muscles

Answer 39

Fat & glands

Question 40

There are how many pairs of palatal muscles

Answer 40

5

Question 41

(Ramus/Body) of mandible is vertical

Answer 41

Ramus

Question 41

Tuberosity is a_______projection, which is a site for_____________attachment

Answer 41

roughened, muscle/ligament