CNRN EXAM QUESTIONS WITH COMPLETE
SOLUTIONS
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 |
SOLUTIONS
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 |
