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.Management Sciences
Category: Embryology
Muscles of mastication develops from__________________?
A. 1stbranchial arch
B. 2nd branchial arch
C. 3rd branchial arch
D. 6th branchial arch
All of the following cells are of endodermal origin except______________?
A. Hepatocytes
B. Epithelial cells of the intestine
C. Odontoblasts
D. Goblet cells
Posterior belly of digastric is derived from________________?
A. First brachial arch
B. First brachial pouch
C. Second brachial arch
D. Second pharyngeal pouch
Palate is formed from:
A. Median palatine process
B. Lateral palatine process
C. Both A and D
D. Either A or B
The fusion of two bony structures with a ligament is known as_______________?
A. Synostosis
B. Synchondrosis
C. Diarthrosis
D. syndesmosis
Development of palate beings at the age of________________?
A. 4 weeks
B. 6 weeks
C. 13 weeks
D. 18 weeks
Cleft lip occurs due to failure of______________?
A. Fusion of lateral nasal process with maxillary process
B. Fusion of median nasal process with maxillary process
C. Fusion of median and lateral nasal process
D. None of the above
Developmentally stomodeum is separated from the pharynx dorsally by ____________?
A. Pharyneal arch
B. Buccopharyngeal membrane
C. Rathke’s pouch
D. Mandibular process
Thyroid gland develops rom________________?
A. Thyroglossal duct
B. Rathke’s pouch
C. Notochordal process
D. Embryonal disc
External auditory meatus develops from___________________?
A. Dorsal part of 1st ectodermal pouch
B. Dorsal part of 2nd cleft
C. Dorsal part of 3rd ectodermal pouch
D. Sixth branchial arch
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