Pharyngeal arches — Flashcards

Flashcard 41: Which branchial arch gives rise to the posterior belly of digastric? _____

Answer: 2nd arch

Flashcard 42: Which branchial arch gives rise to the muscles of mastication? _____

Answer: 1st arch

Flashcard 43: Which branchial arch gives rise to the maxillary process and mandibular process? _____

Answer: 1st arch

Flashcard 44: A persistent cervical sinus leads to a branchial cleft cyst, which appears in the _____ neck

Answer: lateral

Extra: Atlas:

Flashcard 45: The common carotid artery and proximal part of the internal carotid artery are derivatives of the _____ aortic arch

Answer: 3rd

Flashcard 46: The true aortic arch and proximal part of the right subclavian artery are derivatives of the _____ aortic arch

Answer: 4th

Flashcard 47: Which branchial pouch (and wings) gives rise to the superior parathyroids? _____

Answer: 4th pouch (dorsal wings)

Flashcard 48: What branchial arch abnormality is characterized by mandibular hypoplasia and facial abnormalities? _____

Answer: Treacher Collins syndrome

Flashcard 49: Which branchial arch gives rise to the stapes and stapedius m.? _____

Answer: 2nd arch

Flashcard 50: What cranial nerve(s) are associated with the 6th branchial arch? _____

Answer: X (recurrent laryngeal br.)