Craniofacial Development Quiz

What is the role of the pharyngeal grooves?

• They form the outer surface of the pharyngeal apparatus

• They develop into the brain

• They contribute to limb formation

• They are involved in the digestive system

What is the "Tail-like caudal eminence" in the embryo?

• A temporary structure during development

• A permanent part of the spine

• A part of the digestive system

• A part of the circulatory system

What separates the stomodeum from the primordial pharynx?

• The cardiac bulge

• The maxillary region

• The oropharyngeal membrane

• The mandibular arch

Which prominence is located at the top of the facial structure in a 26-day-old embryo?

• Mandibular process

• Maxillary process

• Frontal prominence

• Second arch

Which process is located below the frontal prominence in the facial development of a 26-day-old embryo?

• Mandibular process

• Maxillary process

• Second arch

• Nasal process

Which prominences form the caudal boundary?

• Frontonasal prominence

• Paired maxillary prominences

• Paired mandibular prominences

• Pharyngeal arches

How many facial primordia are involved in facial development?

• Three

• Four

• Five

• Six

Which process is responsible for forming the nasal pits?

• Sinking of nasal placodes

• Enlargement of maxillary processes

• Proliferation of eyes

• Growth of ears

What are the different colored prominence in the image?

a

b

c

Frontal prominence

Maxillary prominence

Mandibular prominence

'philtrum'​ (a)  

'tip of nose'​ (b)  

'lateral lip'​ (c)  

'lower lip'​ (d)   ​

'alar of nose'​ (e)  

• medial nasal prominence
• frontonasal prominence
• maxillary process
• Mandibular process
• lateral nasal prominence