Assessment & diagnostic reasoning
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Testing the biceps reflex helps localize lesions in which cervical
nerve root? - Answer: C5
Testing the brachioradialis reflex helps localize lesions in which
cervical nerve root? - Answer: C6
Testing the triceps reflex helps localize lesions in which cervical
nerve root? - Answer: C7
Testing the knee jerk reflex helps localize lesions in which nerve
root(s)? - Answer: L3/L4
Testing the Achilles reflex helps localize lesions in which nerve
root(s)? - Answer: L5/S1
What is being tested with a monofilament for diabetic
neuropathy? - Answer: Intact sensation
Decreased sensation to monofilament testing in the feet of a
patient with diabetes may indicate an increased risk of which
complication? - Answer: Skin ulcers
,Where is the dermatome that corresponds to the C6 nerve
root? - Answer: In the thumb and 1st web space
Where is the dermatome that corresponds approximately to
the T10 nerve root? - Answer: At the level of the umbilicus
Which is TRUE regarding Hoffman's maneuver? - Answer: It
indicates upper motor neuron involvement.
What is a positive Lhermitte's sign? - Answer: It involves flexion
of the neck causing an "electric-like" sensation that runs down
the back.
What physical exam finding is indicative of a cervical nerve root
radiculopathy? - Answer: Positive foraminal compression test
What type of headache might present with a "thunderclap"
intense onset of pain? - Answer: Headache due to a
subarachnoid hemorrhage
, What type of headache is often associated with symptoms of
nausea, photophobia, and phonophobia - Answer: Migraine
headache
Which cranial nerve (CN) affects the sensory as well as the
motor function of the face? - Answer: trigeminal nerve
What cranial nerve (CN) palsy leads to the eye not being able to
move laterally on exam? - Answer: CN VI: abducens nerve
Which three cranial nerves control ocular movements? -
Answer: III, IV, and VI
How do you test for an afferent pupillary defect on a physical
examination? - Answer: Using the swinging flashlight test
What is a Snellen chart used for during a cranial nerve
examination? - Answer: To test visual acuity
Which cranial nerve (CN) do the Weber and Rinne tests
evaluate? - Answer: CN VIII: cochlear nerve