RICKY'S CFRN STUDY GUIDE EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
MI PATTERNS - Correct Answers ✅LISA P.
LATERAL: I,aVL, v5,v6 (LCA/RCA-high lateral wall L Vent)
INFERIOR: II, III, aVF (RCA-inferior & posterior wall L Vent)
SEPTAL: V1, V2 (LCA/bundle branches)
ANTERIOR: V3, V4 (LCA-anterior wall L Vent)
POSTERIOR: V1,V2,V3,V4:ST Depression (RCA/LCA-L Vent
posterior wall)
Charles's Law - Correct Answers ✅Gas pressure increases
as Temp increases
Gas expands in a heated tank
Henry 's Law - Correct Answers ✅Decompression
Dalton's Law - Correct Answers ✅Molecules shrink under
pressure. It takes more molecules to fill the same space. More
altitude=more O2 needed.
Graham's Law - Correct Answers ✅Diffusion rate of gas
thru a liquid is related to solubility of the gas. Higher to Lower
Concentrations. (mucous in the lungs with O2
Boyle's Law - Correct Answers ✅Trapped gas expands with
altitude. (Air splints, Chest tubes, ET Tubes, Bowels)
,RICKY'S CFRN STUDY GUIDE EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
Gay-Lussac's Law - Correct Answers ✅Pressure in the tanks
go down as temperature goes down
Murphy Sign - Correct Answers ✅Gallbladder, unable to
take deep breath upon palpation under the right ribs.
Cullen Sign - Correct Answers ✅Retroperitoneal bleed,
pancreatitis, Trauma, Bruising of the umbilicus.
Grey-Turner Sign - Correct Answers ✅Retroperitoneal
bleed, pancreatitis, Trauma, Bruising of the flanks.
Asterixis - Correct Answers ✅Liver, Hepatitis, Hands held
out and shaking
Cushing's Reflex - Correct Answers ✅Increased ICP,
widening pulse pressure, bradycardia, resp changes (cheyne
stokes).
RBC, HGB, HCT - Correct Answers ✅5, 15, 45
WBC - Correct Answers ✅4000-10,000
, RICKY'S CFRN STUDY GUIDE EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
PLT - Correct Answers ✅150,000-400,000
K+ (Potassium) - Correct Answers ✅3.5-5.0
Creat - Correct Answers ✅0.8-1.4
Glucose - Correct Answers ✅65-110
Cl (Cloride) - Correct Answers ✅95-105
Sodium - Correct Answers ✅135-145
BUN - Correct Answers ✅7-20
Phos - Correct Answers ✅2.4-4.1
AMY - Correct Answers ✅60-160
LIP - Correct Answers ✅<160
Urine pH - Correct Answers ✅4.8-7.5
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
MI PATTERNS - Correct Answers ✅LISA P.
LATERAL: I,aVL, v5,v6 (LCA/RCA-high lateral wall L Vent)
INFERIOR: II, III, aVF (RCA-inferior & posterior wall L Vent)
SEPTAL: V1, V2 (LCA/bundle branches)
ANTERIOR: V3, V4 (LCA-anterior wall L Vent)
POSTERIOR: V1,V2,V3,V4:ST Depression (RCA/LCA-L Vent
posterior wall)
Charles's Law - Correct Answers ✅Gas pressure increases
as Temp increases
Gas expands in a heated tank
Henry 's Law - Correct Answers ✅Decompression
Dalton's Law - Correct Answers ✅Molecules shrink under
pressure. It takes more molecules to fill the same space. More
altitude=more O2 needed.
Graham's Law - Correct Answers ✅Diffusion rate of gas
thru a liquid is related to solubility of the gas. Higher to Lower
Concentrations. (mucous in the lungs with O2
Boyle's Law - Correct Answers ✅Trapped gas expands with
altitude. (Air splints, Chest tubes, ET Tubes, Bowels)
,RICKY'S CFRN STUDY GUIDE EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
Gay-Lussac's Law - Correct Answers ✅Pressure in the tanks
go down as temperature goes down
Murphy Sign - Correct Answers ✅Gallbladder, unable to
take deep breath upon palpation under the right ribs.
Cullen Sign - Correct Answers ✅Retroperitoneal bleed,
pancreatitis, Trauma, Bruising of the umbilicus.
Grey-Turner Sign - Correct Answers ✅Retroperitoneal
bleed, pancreatitis, Trauma, Bruising of the flanks.
Asterixis - Correct Answers ✅Liver, Hepatitis, Hands held
out and shaking
Cushing's Reflex - Correct Answers ✅Increased ICP,
widening pulse pressure, bradycardia, resp changes (cheyne
stokes).
RBC, HGB, HCT - Correct Answers ✅5, 15, 45
WBC - Correct Answers ✅4000-10,000
, RICKY'S CFRN STUDY GUIDE EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
PLT - Correct Answers ✅150,000-400,000
K+ (Potassium) - Correct Answers ✅3.5-5.0
Creat - Correct Answers ✅0.8-1.4
Glucose - Correct Answers ✅65-110
Cl (Cloride) - Correct Answers ✅95-105
Sodium - Correct Answers ✅135-145
BUN - Correct Answers ✅7-20
Phos - Correct Answers ✅2.4-4.1
AMY - Correct Answers ✅60-160
LIP - Correct Answers ✅<160
Urine pH - Correct Answers ✅4.8-7.5
