Practice Test 1 CCRN (Pass CCRN) Questions and Correct Answers | Latest Update
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Course
CCRN
Institution
CCRN
What is vasogenic cerebral edema?
-:- Vasogenic cerebral edema is an increase in extracellular fluid caused
by a breakdown of the blood-brain barrier with the resultant increase in
vascular permeability. This cerebral edema begins locally and becomes
more generalized. Common causes are trau...
✓ -:- An increase in direct bilirubin is associated with biliary obstruction
because direct bilirubin is conjugated. An increase in indirect bilirubin is
associated with hepatic disease or excessive hemolysis because indirect
bilirubin is unconjugated
What antihypertensive meds work best in African american patients?
✓ -:- African-Americans do not respond well to angiotensin -converting
enzyme inhibitors (e.g., captopril [Capoten]), but they do respond well to
an angiotensin II blocker (valsartan [Diovan]). Of th e beta-blockers,
labetalol works best. Of the calcium channel blockers, diltiazem works
best
What lab values define acute respiratory failure?
✓ -:- 50-50!
PaO2<50 and/or PaCO2>50
Hyperkalemia can cause what?
✓ -:- Diarrhea-increases gastric motility
4|P a g e | G r a d e A + | 2 0 2 0 2 5
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