Deck 2: Clefts of the Lip and Palate

Question 1

Which type of cleft includes the velum and hard palate, but stops at the incisive foramen?

A)Complete cleft of the primary palate
B)Incomplete cleft of the secondary palate
C)Posterior cleft of the secondary palate
D)Complete cleft of the secondary palate
E)Incomplete cleft of the primary palate

Answer 1

D

Question 2

Which race has the highest prevalence of clefts?

A)Africans
B)Asians
C)Caucasians
D)Native Americans
E)Indians

Answer 2

D

Question 3

Which of the following is not characteristic of an overt submucous cleft palate?

A)A bifid uvula
B)Zona pellucid
C)A hypoplastic uvula
D)A protrusive premaxilla
E)A notch in the posterior border of the hard palate

Answer 3

D

Question 4

In Pierre Robin sequence, what prevents the tongue from dropping down so that palatal closure can occur?

A)Cleft palate
B)Narrow palate
C)Microcephaly
D)Glossoptosis
E)Micrognathia

Question 5

Which of the following describes a cleft muscle of Veau?

A)The palatoglossus is attached to the velum
B)The levator veli palatini and the palatopharyngeus muscles are inserted into the posterior border of the hard palate
C)The levator veli palatini and the palatopharyngeus muscles are inserted into the midline of the velum
D)The levator veli palatini muscles are inserted into the posterior border of the hard palate
E)There is discontinuity of the orbicularis oris muscle

Question 6

Which of the following describes a complete cleft of the primary palate?

A)Cleft that is posterior to the incisive foramen
B)Cleft of the alveolus
C)Cleft that includes the lip and alveolus
D)Cleft that includes the entire lip and prolabium
E)Cleft that includes the alveolus and base of the nose

Question 7

Embryological development of the face and palate is dependent on the timely migration of which type of cells?

A)Osteocyte cells
B)Neuron Cells
C)Neural crest cells
D)Stem cells
E)Squamous cells

Question 8

Which of the following is true about the primary palate?

A)It is posterior to the incisive foramen.
B)It includes the hard and soft palate.
C)It includes the lip.
D)It includes the hard palate, but not the soft palate.
E)It includes the alveolus only.

Question 9

What is the philtral tissue segment called when there is a bilateral complete cleft of the lip?

A)Philtral dimple
B)Prolabium
C)Simonart's band
D)Philtrum
E)Columella

Question 10

What anatomical structure is not included in the Kernahan "striped Y" for cleft classification?

A)Lip
B)Hard palate
C)Alveolus
D)Area between alveolus and incisive foramen
E)Posterior pharyngeal wall

Question 11

Which muscle inserts abnormally into the hard palate when there is a complete cleft palate?

A)Levator veli palatini
B)Tensor veli palatini
C)Palatoglossus
D)Palatopharyngeus
E)Superior constrictor

Question 12

What is the correct term for a cleft of the secondary palate that does not extend to the incisive foramen?

A)Incomplete cleft lip
B)Incomplete cleft palate
C)Cleft of the secondary palate only
D)Hard palate cleft
E)Unilateral incomplete cleft

Question 13

A bifid uvula, zona pellucida and a notch in the posterior border of the hard palate indicate which of the following?

A)Overt submucous cleft
B)Occult submucous cleft
C)Cleft of the secondary palate
D)Bilateral cleft palate
E)Overt cleft of the secondary palate

Question 14

For infants with Pierre Robin sequence, what is the first priority?

A)Resonance
B)Intelligibility
C)Feeding
D)Articulation
E)Breathing

Question 15

Which muscle is primarily affected by a complete cleft of the lip?

A)Superior constrictor
B)Myohyoid
C)Geniohyoid
D)Obicularis oris
E)Levator muscle

Question 16

Which race has the lowest prevalence of clefts?

A)Africans
B)Asians
C)Caucasians
D)Native Americans
E)Indians

Question 17

A cleft of the velum or submucous cleft primarily affects the interdigitation of which muscle?

A)Superior constrictor muscle
B)Palatoglossus muscle
C)Tensor veli palatini muscle
D)Levator veli palatini muscle
E)Palatopharyngeus muscle

Question 18

In normal embryological development, where does fusion of the secondary palate begin?

A)Median raphe
B)Incisive foramen
C)Anterior nasal spine
D)Posterior nasal spine
E)Transverse palatine suture

Question 19

Which is never associated with a cleft of the primary palate?

A)Wide and flattened nose
B)Altered orientation of orbicularis muscle
C)Nasal cavity deformities
D)Reduced size of nasal airway
E)Velopharyngeal insufficiency

Question 20

Which of the following is associated with clefts?

A)Chromosomal disorders
B)Genetic disorders
C)Environmental teratogens
D)Prenatal exposure to certain medications
E)All of the above

Question 21

Embryological development of the lip and alveolus begins at which structure?

A)Tubercle of the upper lip
B)Cupid's bow
C)Alveolar process
D)Incisive foramen
E)Anterior nasal spine

Question 22

Which of the following can cause a facial cleft?

A)Micrognathia
B)Amniotic bands
C)Crowding in utero
D)Glossoptosis
E)Forme fruste

Question 23

Which of the following accurately describes a Simonart's Band?

A)A partial or arrested form of a cleft lip
B)A bilateral incomplete cleft of the lip
C)A strand of soft tissue in the area of the cleft palate
D)The philtral tissue segment that is isolated due to the bilateral cleft
E)A band of placental tissue that disrupts embryological development

Question 24

At which point during gestation does embryological development of the hard palate and velum typically begin?

A)3 weeks
B)7 weeks
C)9 weeks
D)3 months
E)12 weeks

Question 25

Which of the following can cause a wide, bell-shaped cleft palate?

A)Chromosomal disorders
B)Genetic disorders
C)Environmental teratogens
D)Inadequate folic acid
E)Mechanical interference in utero

Question 26

A bilateral complete cleft of the lip only not the alveolus) results in the complete separation of the tissue that would normally form which structure?

A)Premaxilla
B)Prolabium
C)Philtrum
D)Columella
E)Alar base