Category: Embryology

A. 18 to 23 days post fertilization and is the second stage of craiofacial development
B. 28 to 38 days post fertilization and is the third stage of craniofacial development
C. 42 to 55 days post fertilization and is the fourth stage of craniofacial development
D. 17 the day post fertilization and is the first stage of craniofacial development

A. Hensen’s node
B. Notochordal process
C. Cloacal membrane
D. Blastopore

A. 42
B. 41
C. 46
D. 44

A. First pharyngeal arch
B. First and second pharyngeal arches
C. Second and third pharyngeal arches
D. Fourth pharyngeal arch

A. 1st,2nd ,3rd bronchial arches
B. 1st ,3rd, 5th bronchial arches
C. 1st ,3rd, 4th bronchial arches
D. 1st, 4th, 5th bronchial arches

A. Spheno Mandibular Ligament
B. Stylomandibular ligament
C. Anterior ligament of Malleus
D. Stylohyoid Ligament

A. Dorsal part of II pharyneal pouches
B. Ventral part of II pharyneal pouches
C. Dorsal part of III pharyneal pouches
D. Ventral part of I pharyneal pouches

A. Tuberculum impar
B. Hypobranchial eminence
C. Lingual swellings
D. Arytenoid swellings

A. Ectoderm
B. Mesoderm
C. Endoderm
D. None of the above

A. In anterior 2/3 of dorsal aspect
B. In posterior 1/3 of dorsal aspect
C. Near the base of tongue close to foraman caecum
D. In anterior 2/3 of inferior surface