Head and neck cross-sections — Flashcards

Flashcard 1: Which lymph node cluster drains the head and neck? _____

Answer: Cervical

Flashcard 2: Which cranial nerve nucleus is located near the midline of the medulla, just beneath the floor of the fourth ventricle?

Answer: Hypoglossal nucleus (CN XII)

Flashcard 3: The superior sagittal sinus drains into the _____ sinuses

Answer: confluence of

Flashcard 4: Which cranial nerve provides sensory innervation to the face and motor innervation to the muscles of mastication?

Answer: CN V (Trigeminal nerve)

Flashcard 5: Osteoblastoma typically arises in _____ (body location)

Answer: vertebrae

Flashcard 6: Which ascending spinal tract is responsible for transmitting pain and temperature sensations?

Answer: Spinothalamic tract

Flashcard 7: Which cranial nerve mediates the efferent limb of the gag reflex and provides parasympathetic innervation to the heart and lungs?

Answer: CN X (Vagus nerve)

Extra: The afferent limb of the gag reflex is mediated by CN IX (Glossopharyngeal nerve). CN X exits the skull via the jugular foramen along with CN IX and CN XI.

Flashcard 8: Infections involving the _____ can extend directly into the superior mediastinum and cause acute necrotizing mediastinitis

Answer: retropharyngeal space

Flashcard 9: The ansa cervicalis innervates the _____ muscles of the anterior neck (*except)

Answer: strap (infrahyoid)

Flashcard 10: Which tract is responsible for conveying unconscious proprioceptive information from the body to the cerebellum?

Answer: Spinocerebellar tract

Extra: The spinocerebellar tracts (including the dorsal and ventral tracts) are responsible for conveying unconscious proprioceptive information from the limbs and trunk to the cerebellum.