16- Centers of ossification appear in overall sternum before birth. (T / F)
17- The sternum is developed independently. (T / F)
18- The ribs become cartilaginous during the fetal period. (T / F)
19- The ribs become ossify during the embryonic period. (T / F)
20- The ventral end of the 2nd pharyngeal arch cartilage ossifies to form the greater horn and superior part of the hyoid bone. (T / F)
21- The 4th pharyngeal arches fuse to form the laryngeal cartilages with exception of the tongue. (T / F)
22- Membranous ossification occurs in the dorsal portion of the 1st pharyngeal arch. (T / F)
23- Primary curvatures are thoracic and sacral curvatures. (T / F)
24- Secondary curvatures arecervical and thorasic curvatures. (T / F)
25- Pectus Cariniatum is a depressed sternum that is sunken posterior. (T / F)
17- The sternum is developed independently. (T / F)
18- The ribs become cartilaginous during the fetal period. (T / F)
19- The ribs become ossify during the embryonic period. (T / F)
20- The ventral end of the 2nd pharyngeal arch cartilage ossifies to form the greater horn and superior part of the hyoid bone. (T / F)
21- The 4th pharyngeal arches fuse to form the laryngeal cartilages with exception of the tongue. (T / F)
22- Membranous ossification occurs in the dorsal portion of the 1st pharyngeal arch. (T / F)
23- Primary curvatures are thoracic and sacral curvatures. (T / F)
24- Secondary curvatures arecervical and thorasic curvatures. (T / F)
25- Pectus Cariniatum is a depressed sternum that is sunken posterior. (T / F)