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Head and Neck Anatomy Flashcards

6 cards from real NBDHE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Head and Neck Anatomy flashcards as text

  1. The parotid gland's secretory duct (Stensen's duct) opens into the oral cavity at which landmark?

    Answer: The parotid papilla opposite the maxillary second molar

    Stensen's duct (parotid duct) opens via the parotid papilla on the buccal mucosa opposite the maxillary second molar.

  2. Which cranial nerve provides sensory innervation to the anterior two-thirds of the tongue?

    Answer: Lingual nerve (branch of V3 — trigeminal)

    The lingual nerve (branch of the mandibular division of the trigeminal — V3) provides general somatic sensation (touch, pain, temperature) to the anterior two-thirds of the tongue.

  3. The mental foramen in adults is typically located:

    Answer: Between the apices of the mandibular first and second premolars, on the buccal aspect

    The mental foramen transmits the mental nerve and vessels and is located on the buccal (lateral) surface of the mandible, typically between the apices of the first and second premolars.

  4. Which muscle depresses the mandible (opens the mouth) and is innervated by the mylohyoid nerve?

    Answer: Mylohyoid muscle

    The mylohyoid muscle forms the floor of the mouth and assists in depressing the mandible and elevating the floor of the mouth; it is innervated by the mylohyoid nerve (branch of V3).

  5. The infraorbital nerve is a branch of which division of the trigeminal nerve, and what structures does it innervate?

    Answer: Maxillary division (V2) — innervates maxillary anterior teeth, buccal gingiva, upper lip, and cheek skin

    The infraorbital nerve is the terminal branch of V2 (maxillary division), exiting the infraorbital foramen to innervate maxillary anterior teeth, buccal gingiva, upper lip, and skin of the cheek.

  6. The temporomandibular joint (TMJ) is classified as which type of joint?

    Answer: Ginglymoarthrodial joint (combination hinge and gliding)

    The TMJ is a ginglymoarthrodial joint: it combines a hinge motion (rotation in the lower compartment) with a gliding motion (translation in the upper compartment), made possible by the articular disc dividing the joint space.

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