NPLEX Neuro Exam Questions and
Answers (latest update 2024)
cranial nerves - Correct Answer ✅On occasion, our trusty truck acts funny
—very good vehicle anyhow
olfactory nerve (I), the optic nerve (II), oculomotor nerve (III), trochlear nerve
(IV), trigeminal nerve (V), abducens nerve (VI), facial nerve (VII),
vestibulocochlear nerve (VIII), glossopharyngeal nerve (IX), vagus nerve (X),
accessory nerve (XI), and hypoglossal nerve (XII).
free nerve endings - types, location, sensations - Correct Answer ✅A delta.
myelinated fibers
C - slow, unmyelinated
All skin, epidermis, some
viscera
Pain, temperature
A Delta plane is fast, but a
taxC is slow.
Meissner corpuscle type, location, sensations - Correct Answer ✅Large,
myelinated fibers; adapt quickly
On Glabrous (hairless) skin
Dynamic, fine/light touch, position sense
,NPLEX Neuro Exam Questions and
Answers (latest update 2024)
Pacinian corpuscles type, location, sensations - Correct Answer ✅Large,
myelinated fibers; adapt quickly.
in Deep skin layers, ligaments, joints.
Vibration, pressure
Merkel disc type, location, sensations - Correct Answer ✅Large,
myelinated fibers; adapt slowly.
On fingertips, superficial skin.
Pressure, deep static touch (shapes, edges), position sense
Ruffini Corpuscles type, location, sensations - Correct Answer ✅Dendritic
endings with capsule; adapt slowly
Finger tips, joints
Pressure, slippage of objects. along surface of skin, joint angle change
ACh altered in what diseases - Correct Answer ✅decreased: alzheimer's,
huntington's
increased: parkinsons
,NPLEX Neuro Exam Questions and
Answers (latest update 2024)
Dopamine altered in what diseases - Correct Answer ✅decreased in
depression and parkinsons
increased in schizophrenia, huntingtons
GABA altered in what diseases - Correct Answer ✅decreased in anxiety
and huntington's
Norepinephrine altered in what diseases and where made in CNS - Correct
Answer ✅made in locus cerruleus in pons.
increased in anxiety
decreased in depression
Serotonin altered in what diseases and where made in CNS - Correct
Answer ✅made in Raphe nucleus in Medulla.
Decreased: anxiety, parkinsons, depression
increased: none
limbic system - what is it made of, what it is responsible for - Correct
Answer ✅Collection of neural structures involved in emotion, long-term
memory, olfaction, behavior modulation, ANS function.
Consists of hippocampus, amygdalae, mammillary bodies, anterior thalamic
nuclei, cingulate gyrus entorhinal cortex.
, NPLEX Neuro Exam Questions and
Answers (latest update 2024)
Responsible for
Feeding, Fleeing, Fighting, Feeling, and Sex.
CN that exit above the pons - Correct Answer ✅4 (and 4 in pons 4 below).
1-4
CN that exit the pons - Correct Answer ✅4 (and 4 above pons 4 below). 5-
8
ascending tracts - Correct Answer ✅dorsal column, spinothalamic tract
Dorsal column - Correct Answer ✅conveys two-point discrimination,
vibratory and proprioceptive senses. decussates at medial lemniscus.
Includes fasciculus gracilis and fasciculus cuneatus.
spinothalamic tract - Correct Answer ✅Lateral: pain, temp
Anterior: Crude touch, pressure.
sensory nerves: A delta and C fibers (free nerve endings)
decussates in the spinal cord
descending spinal tract - Correct Answer ✅lateral corticospinal tract
