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ALL PCCN EXAM LATEST VERSION QUESTIONS WITH CORRECT DETAILED ANSWERS ALREADY GRADED A+ BY EXPERTS
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ALL PCCN EXAM LATEST VERSION QUESTIONS WITH CORRECT DETAILED ANSWERS ALREADY GRADED A+ BY EXPERTS
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Page 1 of 94ALL PCCN EXAM LATEST VERSION 2024-2025 QUESTIONS
WITH CORRECT DETAILED ANSWERS ALREADY GRADED
A+ BY EXPERTS
A rhythm disturbance that is organized and has F waves - CORRECT ANSWER✔✔atrial flutter
A rhythm disturbance that is not organized and has irregular R-R intervals - CORRECT
ANSWER✔✔atrial fibrillation
When the PR interval is lengthened beyond the normal interval, it is called a __ ___ ___ block -
CORRECT ANSWER✔✔first degree AV
When there is progressive prolongation of PR interval until QRS complex is dropped, this is
called __ ___ ___ block (type ___) aka ____ phenomenon or ____ - CORRECT
ANSWER✔✔second degree AV, I, wenchybock, mobitz (type I)
When there is no correlation between what's happening in the atrium and the ventricle,
nothing is getting through the AV node and the atrium and ventricle are firing on their own, this
is called a ___ ___ ___ block - CORRECT ANSWER✔✔third degree AV
as you double creatinine, you cut in half ____ - CORRECT ANSWER✔✔GFR
, Page 2 of 94
normal BUN range - CORRECT ANSWER✔✔8-20 mg/dl
azotemia - CORRECT ANSWER✔✔increased BUN
normal SCr range - CORRECT ANSWER✔✔0.7-1.5 mg/dl
normal sodium range - CORRECT ANSWER✔✔136-145 meq/L
normal osmolality range - CORRECT ANSWER✔✔270-290 meq/L
normal glucose range - CORRECT ANSWER✔✔80-120 mg/dl
normal serum potassium range - CORRECT ANSWER✔✔3.5-5 meq/L
intracellular potassium concentration - CORRECT ANSWER✔✔140 meq/L
normal magnesium range - CORRECT ANSWER✔✔1.4-1.8 meq/L
, Page 3 of 94
normal calcium range - CORRECT ANSWER✔✔8.5-10.5 mg/dl
normal phosphate range - CORRECT ANSWER✔✔2.6-4.5 mg/dl
anion gap calculation: - CORRECT ANSWER✔✔Na - (Cl + HCO3)
total osmolality calculation: - CORRECT ANSWER✔✔(2xNa) + (glucose x10)/180 + (BUN x 10)/28
total effective osmolality calculation - CORRECT ANSWER✔✔(2xNa) + (glucose x 10)/180
normal anion gap range - CORRECT ANSWER✔✔3-11 meq/L
a patient w/significant Q waves and ST elevation present in leads V1-V4 is said to have: -
CORRECT ANSWER✔✔acute anterior infarction
a patient w/significant Q waves and ST elevation present in leads I and AVL is said to have: -
CORRECT ANSWER✔✔acute lateral infarction
a patient w/significant Q waves and ST elevation present in leads II, III and AVF is said to have: -
CORRECT ANSWER✔✔acute inferior infarction
, Page 4 of 94
Automaticity of cells in the SA node is a function of which phase of the action potential? -
CORRECT ANSWER✔✔4
the ___ node is located in the junctional tissue between atria and ventricles - CORRECT
ANSWER✔✔AV
diarrhea can most likely lead to hypotonicity by causing volume ____ with subsequent ___ in
ADH effect and water intake - CORRECT ANSWER✔✔depletion, increase
Pre-renal azotemia is more likely to be present in ____ - CORRECT ANSWER✔✔hypovolemia
if a patient has a a decrease in pH, decrease in bicarb, and decrease in pCO2, they have: -
CORRECT ANSWER✔✔metabolic acidosis
if a patient has an increase in pH, increase in bicarb, and increase in pCO2, they have: -
CORRECT ANSWER✔✔metabolic alkalosis
if a patient has a decrease in pH, increase in bicarb, and increase in pCO2, they have: - CORRECT
ANSWER✔✔respiratory acidosis
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