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CFRN Review Questions with 100% Verified Answers
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CFRN Review Questions with 100% Verified Answers
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CFRN Review Questions with 100% VerifiedAnswers
Two major causes of heat loss?
Thermoregulation ceases at? - ✔✔Radiation, evaporation
28 deg C, drugs and defib are not effective. Warm pt up to 30-33 deg C
Normal temp
Mild hypotherm
Mod hypotherm
Severe hypotherm - ✔✔Norm: 37.6 (98.6)
Mild: 32-36 (brady)
Mod: 29-32 (loss of shivering,ALOC)
Severe: 20-28, coma/VF/osborn j wave
Normal uop
Uop c elec inj
Norm blood vol - ✔✔30-50 ml/hr, .5-1 ml/kg/hr
1-2 ml/kg for peds
Double for elec inj
Adult 70 ml/kg
Ped 80 ml/kg
Neo 90 ml/kg
Anterior cord
,Brown sequard
Central cord syndrome
Autonomic dysreflexia- above t6 - ✔✔Anterior cord: compete motor/pain/temp loss below
the lesion
Brown sequard: ipsilateral loss of motor/position/vibration, contralateral loss of pain and temp
Central: greater ue than le weakness. Varying deg of sensory loss
Autonomic: urinary retention, massive increase in sympathetic tone causing htn (tx insert foley)
Most common dislocation
Most common spont reoccurrence - ✔✔1. Posterior hip
2. Anterior shoulder
Rotor wing pilot required hours - ✔✔2000 hrs
1000 pic
100 hrs at night
Bnp normals, tx - ✔✔<100 norm
Above 500-70 HF
Tx: carvedilol(coreg), nesetiride (natracor)
No ca channel blockers or beta blockers
Do u adjust tv or rr first with a ventilation problem? - ✔✔Tv
Clinical signs:
Kehrs
Kernigs
, Brudzinskis
Hammans - ✔✔Kehrs- referred shoulder pain, possible splenic or ectopic preg
Kernigs: back/leg pain on knee extension- poss bac meningitis
Brudzinskis: back/leg pain on neck flex- poss bac meningitis or SAH
Hammans: crunching sound heard sync c heartbeat, tracheobronchial injury
Daltons law - ✔✔Partial pressures. Tissue swelling, hypoxic hypoxia, o2 avail at altitude
Xray findings:
Steeple sign
Thumbprint sign - ✔✔Steeple- croup (laryngotracheobronchitis) ap chest view
Thumbprint sign- epiglotitis, lateral neck view
Neurogenic shock - ✔✔All low
Burns:
-know rule of nines
Parkland formula
Consensus formula
Modified-brooke formula - ✔✔Parkland: 4ml xkg x BSA. Half over first 8h. Rest over 16 (for
all)
Consensus: 2-4ml x kg x bsa.
Modified brooke: 2ml xkg x bsa.
Induction agent of choice for bronchospastic pts - ✔✔Ketamine
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