NURS 3301: EXAM 2 STUDY GUIDE | QUESTIONS AND ANSWERS | 2026 WITH ACCURATE
SOLUTIONS.
CN I - (ANSWER)Olfactory: Sensory; Smell; transmission of scents to the brain.
Anosmia - (ANSWER)Abrupt loss of smell; can indicate COVID-19 or brain tumor.
CN II - (ANSWER)Optic: Sensory; Vision; part of the Central Nervous System (CNS).
Visual acuity assessment - (ANSWER)Assessed via visual acuity (Snellen) and visual fields (Confrontation).
CN III - (ANSWER)Oculomotor: Motor; Extraocular movements (EOMs), pupil constriction, and eyelid
opening.
Ptosis - (ANSWER)Damage leads to eyelid drooping or pupillary abnormalities.
CN IV - (ANSWER)Trochlear: Motor; Downward and inward eye movement.
Superior Oblique muscle - (ANSWER)Works with CN IV for eye movement.
CN V - (ANSWER)Trigeminal: Mixed; Motor: Muscles of mastication (chewing). Sensory: Face, forehead,
cheek, and chin sensation.
CN VI - (ANSWER)Abducens: Motor; Lateral (outward) eye movement.
CN VII - (ANSWER)Facial: Mixed; Motor: Facial expressions (smile/frown). Sensory: Taste on anterior 2/3
of tongue.
Bell Palsy - (ANSWER)Unilateral facial paralysis (CN VII inflammation).
CN VIII - (ANSWER)Auditory: Sensory; Hearing and Equilibrium (balance).
, NURS 3301: EXAM 2 STUDY GUIDE | QUESTIONS AND ANSWERS | 2026 WITH ACCURATE
SOLUTIONS.
Assessment of inner ear function - (ANSWER)Assessed by whisper, Rinne, and Weber tests.
CN IX - (ANSWER)Glossopharyngeal: Mixed; Swallowing, gag reflex, and taste on posterior 1/3 of tongue.
Assessment for CN IX - (ANSWER)'Ahhh' (uvula rise) and swallowing.
Damage to CN IX - (ANSWER)Causes hoarseness or uvula deviation.
CN X - (ANSWER)Vagus: Mixed; Talking, swallowing, and autonomic function (HR/digestion).
CN XI - (ANSWER)Accessory: Motor; Movement of trapezius and sternocleidomastoid (neck/shoulders).
Assessment for CN XI - (ANSWER)Assessed by shrugging shoulders against resistance.
CN XII - (ANSWER)Hypoglossal: Motor; Tongue movement for speech and swallowing.
Assessment for CN XII - (ANSWER)Assessed by sticking out tongue; look for deviation.
C7 (Vertebral Prominence) - (ANSWER)The longest cervical vertebrae; the most easily palpable landmark
on the posterior neck.
Lymphatics - (ANSWER)Approximately 80 nodes in the head/neck region; enlargement indicates
inflammation or infection 'upstream'.
Thyroid Gland - (ANSWER)Butterfly-shaped gland that produces T3 (Triiodothyronine) and T4
(Thyroxine).
SOLUTIONS.
CN I - (ANSWER)Olfactory: Sensory; Smell; transmission of scents to the brain.
Anosmia - (ANSWER)Abrupt loss of smell; can indicate COVID-19 or brain tumor.
CN II - (ANSWER)Optic: Sensory; Vision; part of the Central Nervous System (CNS).
Visual acuity assessment - (ANSWER)Assessed via visual acuity (Snellen) and visual fields (Confrontation).
CN III - (ANSWER)Oculomotor: Motor; Extraocular movements (EOMs), pupil constriction, and eyelid
opening.
Ptosis - (ANSWER)Damage leads to eyelid drooping or pupillary abnormalities.
CN IV - (ANSWER)Trochlear: Motor; Downward and inward eye movement.
Superior Oblique muscle - (ANSWER)Works with CN IV for eye movement.
CN V - (ANSWER)Trigeminal: Mixed; Motor: Muscles of mastication (chewing). Sensory: Face, forehead,
cheek, and chin sensation.
CN VI - (ANSWER)Abducens: Motor; Lateral (outward) eye movement.
CN VII - (ANSWER)Facial: Mixed; Motor: Facial expressions (smile/frown). Sensory: Taste on anterior 2/3
of tongue.
Bell Palsy - (ANSWER)Unilateral facial paralysis (CN VII inflammation).
CN VIII - (ANSWER)Auditory: Sensory; Hearing and Equilibrium (balance).
, NURS 3301: EXAM 2 STUDY GUIDE | QUESTIONS AND ANSWERS | 2026 WITH ACCURATE
SOLUTIONS.
Assessment of inner ear function - (ANSWER)Assessed by whisper, Rinne, and Weber tests.
CN IX - (ANSWER)Glossopharyngeal: Mixed; Swallowing, gag reflex, and taste on posterior 1/3 of tongue.
Assessment for CN IX - (ANSWER)'Ahhh' (uvula rise) and swallowing.
Damage to CN IX - (ANSWER)Causes hoarseness or uvula deviation.
CN X - (ANSWER)Vagus: Mixed; Talking, swallowing, and autonomic function (HR/digestion).
CN XI - (ANSWER)Accessory: Motor; Movement of trapezius and sternocleidomastoid (neck/shoulders).
Assessment for CN XI - (ANSWER)Assessed by shrugging shoulders against resistance.
CN XII - (ANSWER)Hypoglossal: Motor; Tongue movement for speech and swallowing.
Assessment for CN XII - (ANSWER)Assessed by sticking out tongue; look for deviation.
C7 (Vertebral Prominence) - (ANSWER)The longest cervical vertebrae; the most easily palpable landmark
on the posterior neck.
Lymphatics - (ANSWER)Approximately 80 nodes in the head/neck region; enlargement indicates
inflammation or infection 'upstream'.
Thyroid Gland - (ANSWER)Butterfly-shaped gland that produces T3 (Triiodothyronine) and T4
(Thyroxine).
