Exam (elaborations)

CNRN Exam UPDATED ACTUAL Questions and CORRECT Answers

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CNRN

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CNRN

CNRN Exam UPDATED ACTUAL Questions and CORRECT Answers specific condition of small vessels that can lead to lacunar strokes - CORRECT ANSWER- lipohyalinosis what is the greatest risk factor for lacunar strokes - CORRECT ANSWER- hypertension tiny areas of ischemic necrosis caused by occlusion...

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Uploaded on November 17, 2024
Number of pages 22
Written in 2024/2025
Type Exam (elaborations)
Contains Questions & answers

Institution CNRN
Course CNRN

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CNRN Exam UPDATED ACTUAL
Questions and CORRECT Answers
specific condition of small vessels that can lead to lacunar strokes - CORRECT
ANSWER✔✔- lipohyalinosis

what is the greatest risk factor for lacunar strokes - CORRECT ANSWER✔✔- hypertension

tiny areas of ischemic necrosis caused by occlusion of small penetrating arteries - CORRECT
ANSWER✔✔- lacunar strokes

what percentage of ischemic strokes do lacunar strokes account for - CORRECT
ANSWER✔✔- 25%

what are the 5 classic syndromes of lacunar strokes - CORRECT ANSWER✔✔- pure motor
hemiparesis, ataxic hemiparesis, dysarthria/clumsy hand syndrome, pure sensory stroke, and
mixed sensorimotor stroke

what is the only non-pain sensitive tissue in the head/brain - CORRECT ANSWER✔✔-
brain parenchyma

what is the biggest insurmountable obstacle to effective pharmacological treatments for
patients with cluster headaches - CORRECT ANSWER✔✔- cigarette smoking

subdural hematomas most commonly result from what? - CORRECT ANSWER✔✔- venous
bleeding from the tearing of briding veins

how is the diagnosis of DAI confirmed - CORRECT ANSWER✔✔- clinical diagnosis,
definitively dx requires microscopice examination of the brain tissue.

what are classic signs of autonomic dysfunction syndrome and what's the most common
intervention - CORRECT ANSWER✔✔- hypertension, tachycardia, tachypnea, and fever---
iv morphine

,what is the MOST common source of infection leading to brain abcesses? - CORRECT
ANSWER✔✔- hematogenous spread from distant infected sites, such as PNA, lung abscess,
or bacterial endocarditis

what group of people have the greatest risk of ICH? - CORRECT ANSWER✔✔- patients
with unruptured intracerebral AVM's

what is the most important diagnostic test for the pt having a dull headache, superimposed ice
pick sensations on the scalp, jaw claudication, and elevated ESR? - CORRECT
ANSWER✔✔- temporal artery biopsy--r/o giant cell arteritis

what is a potential complication of a CSF leak in basal skull fx's? - CORRECT
ANSWER✔✔- the trapping of portions of the frontal meninges b/w the fx edges with a
persistent CSF leak requiring surgical intervention

what is the best way to accomplish external draining of CSF via an EVD? - CORRECT
ANSWER✔✔- drain a few drops/minute and close the drain after 5min or less

what is the Tinel's sign - CORRECT ANSWER✔✔- most frequently associated with carpel
tunnel, gently tap or percuss over the injured nerve to elicit a sensation of tingling or "pins
and needles" in the nerve distribution area.

what is the Phalen's sign? - CORRECT ANSWER✔✔- maneuver to diagnose carpel tunnel--
hands forced dorsal sides together and wrists flexed to 90deg; positive test causes burning,
tingling, or numb sensation over the thumb, index, middle and ring fingers.

what is the most common cause of Erb's palsy? - CORRECT ANSWER✔✔- dystocia or
abnormal or difficult childbirth or labor

what are the most common sign's of erb's palsy? - CORRECT ANSWER✔✔- loss of
sensation in the arm and paralysis and atrophy of the deltoid, biceps, and brachialis muscles.

, how is the management of the GI system in a SCI pt intiated in the ED? - CORRECT
ANSWER✔✔- by inserting a NGT d/t the high risk of gastric immotility resulting in
distention and an ileus.

what is the most common cause of a radial nerve injury - CORRECT ANSWER✔✔-
humerus fracture

best treatment options for a woman in 3rd trimester of pregnancy with + Tinel's and Phalen's
sign is what? - CORRECT ANSWER✔✔- wrist splints and rehab modalities

best way to prevent the development of peroneal nerve palsy in a recently immobilized pt is
what? - CORRECT ANSWER✔✔- avoiding pressure to the back of the knees during period
when pt is immobilized

in a recently immbolized pt, they begin to complain of burning on the top of the foot and
have unilateral foot drop. what is this - CORRECT ANSWER✔✔- peroneal nerve palsy

what is the major difference b/w subdural hematoma and subdural hygroma - CORRECT
ANSWER✔✔- subdural hematoma is blood, and subdural hygroma is CSF

ideal treatment for low serum Na level is what? - CORRECT ANSWER✔✔- slow
normalization w/ 3% saline and lasix to prevent central pontine myelinolysis

what is a common alternative approach to preventing the s/s of carpel tunnel syndrome? -
CORRECT ANSWER✔✔- yoga

pain upon straight leg raising

in a multi trauma patient may indicate what? - CORRECT ANSWER✔✔- herniated nucleus
pulposus

severe sharp pain with passive hip flexion may indicated what? - CORRECT ANSWER✔✔-
hip fracture

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