CRT(RRT) Exam Review Questions and Correct Answers

CRT(RRT) Exam Review Questions
and Correct Answers

less than 10 minutes - correct answer ✔✔bleeding time (template)



4.2 - 5.9 million/mcl - correct answer ✔✔erythrocyte count



Male: 0-15mm/hr

Female: 0-20 mm/hr - correct answer ✔✔erythrocyte sedimentation rate (Westergren)



Male: 42-50%

Female: 40 - 48% - correct answer ✔✔hematocrit, blood



Male: 13-16 g/dl

Female: 12-15 g/dl - correct answer ✔✔hemoglobin, blood



leukocyte count: 4000-11000/mcl

50-70% segmented neutrophils

0-5% band forms, 0-3% eosinophils

0-1% basophils, 30-45% lymphocytes

0-6% monocytes - correct answer ✔✔leukocyte count and differential



86-98 fL - correct answer ✔✔mean corpuscular volume



11-13 seconds - correct answer ✔✔protrhombin time, plasma

,30-40 seconds - correct answer ✔✔partial thromboplastin time (activated)



150,000 - 300,000/mcL - correct answer ✔✔platelet count



0.5 - 1.5% of red cells - correct answer ✔✔reticulocyte count



25 - 125 U/L - correct answer ✔✔amylase, serum



75-100 mmHg - correct answer ✔✔arterial studies, blood (Patient breathing room air): PO2



38-42mmHg - correct answer ✔✔arterial studies, blood (Patient breathing room air): PCO2



23-26 mEq/L - correct answer ✔✔arterial studies, blood (Patient breathing room air):
Bicarbonate



7.38 - 7.44 - correct answer ✔✔arterial studies, blood (Patient breathing room air): pH



95% or greater - correct answer ✔✔arterial studies, blood (Patient breathing room air): Oxygen
Saturation



23 - 28 mEq/L - correct answer ✔✔bicarbonate, serum



Total 0.3 - 1.0 mg/dL

Direct 0.1 - 0.3 mg/dL - correct answer ✔✔bilirubin, serum:



0.3 - 1.0 mg/dL - correct answer ✔✔Comprehensive metabolic panel:

,Bilirubin, serum (total)



Male: 9.0 -10.5mg/dL

Female: 8.5 - 10.2mg/dL - correct answer ✔✔Comprehensive metabolic panel:

calcium, serum



Desirable: less than 200md/dL

Borderline-high: 200-239mg/dL(may be high in the presence of coronary artery disease or other
risk factors)

High: greater than 239md/dL - correct answer ✔✔Comprehensive metabolic panel:

cholesterol, serum (total)



0.7-1.5 mg/dL - correct answer ✔✔Comprehensive metabolic panel:

creatinine, serum



Normal (fasting); 70 -115 mg/dL

Borderline: 115-140 mg/dL

Abnormal: greater than 140 mg/dL - correct answer ✔✔Glucose, plasma



3.0 - 4.5 mg/dL - correct answer ✔✔phosphorus, serum



0.2 - 0.4 g/dL - correct answer ✔✔Proteins, serum:

Pre-Albumin



3.5 - 5.5 g/dL - correct answer ✔✔Proteins, serum:

Albumin

, 8 - 20 mg/dL - correct answer ✔✔Urea nitrogen, blood (BUN)



3.0 -7.0 mg/dL - correct answer ✔✔Uric acid, serum



Low: less than 40 mg/dL - correct answer ✔✔Cholesterol serum:

High density lipoprotein (HDL)



Optimal: less than 100mg/dL

Near optimal: 100 - 129 mg/dL

Borderline-high: 130-159 mg/dL (may be high in the presence of coronary artery disease or
other risk factors)

High: 160 - 189 mg/dL

Very high: 190 mg/dL and bove - correct answer ✔✔Cholesterol serum:

Low density lipoprotein (LDL)



Normal: less than 250mg/dL

Borderline: 250 - 500 mg/dL

Abnormal: greater than 500 mg/dL - correct answer ✔✔Triglycerides, serum (fasting)



136 - 145 mEq/L - correct answer ✔✔Electrolytes, serum:

sodium



3.5-5.0 mEq/L - correct answer ✔✔Electrolytes, serum:

potassium