Neuroanatomy — Flashcards

Flashcard 231: Which cranial nerve mediates hearing and equilibrium and exits the brainstem at the pontomedullary junction? _____

Answer: CN VIII (Vestibulocochlear)

Flashcard 232: The _____-cerebellar tract carries unconscious proprioceptive input from the upper extremities/trunk

Answer: cuneo

Flashcard 233: The cell bodies of the dorsal spinocerebellar tract are found in _____ nucleus, which is situated in the spinal cord from T1 to L2

Answer: Clarke’s

Flashcard 234: Lesions of the cochlear part of CN VIII or cochlear nuclei result in profound _____-lateral sensorineural hearing loss

Answer: uni

Flashcard 235: Which cranial nerve is most susceptible to injury to the cavernous sinus? _____

Answer: CN VI (abducens)

Flashcard 236: Which cranial nerve arises from the dorsal aspect of the midbrain? _____

Answer: Trochlear nerve (CN IV)

Flashcard 237: The _____ is the brainstem tract that carries fine touch, vibration, and proprioception to the thalamus.

Answer: medial lemniscus

Extra: The medial lemniscus is formed by the decussation of internal arcuate fibers (second-order neurons) in the medulla.

Flashcard 238: _____ is the small depression in the macula, which is the central point of the retina.

Answer: Fovea

Flashcard 239: What are the functions of CN VIII (Vestibulocochlear)? _____

Answer: Hearing and balance

Flashcard 240: The 1st-order neuron of the hypothalamospinal tract arises from the hypothalamus and synapses in the _____ horn of the spinal cord at the level of T1

Answer: lateral