ATI PN Comprehensive Predictor
Review Latest 2025/2026 Resource
for First-Time Exam Success
BUN levels -Answer--10-20
WBC levels -Answer--5,000-10,000
Serum creatinine levels -Answer--males 0.6-1.2; females 0.5-1.1
Therapeutic digoxin levels -Answer--0.8-2.0
HbA1c levels -Answer--4%-6%
Fasting glucose levels -Answer--70-105
HDL levels -Answer--males 35-65; females 35-85
Total serum cholesterol levels -Answer--less than 200
LDL levels -Answer--less than 130
ABG values [pH, PCO2, HCO3] -Answer--pH 7.35-7.45
PCO2 35-45
HCO3 21-28
Phosphorus levels -Answer--3-4.5
Platelet levels -Answer--150,000-400,000
aPTT levels; therapeutic level? -Answer--30-40 seconds; therapeutic is 1.5 to 2
times the normal
INR levels -Answer--0.7-1.8
Therapeutic level for INR with anticoagulant therapy -Answer--2-3
, PT levels; therapeutic level? -Answer--11-12.5 seconds; therapeutic is 1.5 to 2 times
the normal
Chloride levels -Answer--98-106
Calcium levels -Answer--9-10.5
Diseases that require airborne precautions -Answer--measles, TB, herpes zoster and
varicella
Heparin antidote -Answer--protamine sulfate
Coumadin antidote -Answer--vitamin k
Digoxin antidote -Answer--digibind
Alcohol withdrawal antidote -Answer--librium (chlordiazepoxide)
Potassium levels -Answer--3.5-5
Sodium levels -Answer--136-145
Magnesium sulfate antidote -Answer--calcium gluconate
Magnesium levels -Answer--1.3-2.1
Diseases for droplet precautions [SPIDERMAN] -Answer--S - scarlet fever; sepsis
P - pneumonia; pertussis
I - influenza
D - diphtheria
E - epiglottitis
R - rubella
M - mumps; meningitis
AN - adenovirus
Risk factors of metabolic alkalosis -Answer--ingestion of antacids; GI suction;
hypokalemia; blood transfusion; prolonged vomiting; total parenteral nutrition
A cause of metabolic acidosis -Answer--diarrhea [acidosis - from the ass]; fever;
hypoxia; starvation; seizure; kidney failure; diabetic ketoacidosis; dehydration
Hemoglobin levels -Answer--males 14-18; females 12-16
Review Latest 2025/2026 Resource
for First-Time Exam Success
BUN levels -Answer--10-20
WBC levels -Answer--5,000-10,000
Serum creatinine levels -Answer--males 0.6-1.2; females 0.5-1.1
Therapeutic digoxin levels -Answer--0.8-2.0
HbA1c levels -Answer--4%-6%
Fasting glucose levels -Answer--70-105
HDL levels -Answer--males 35-65; females 35-85
Total serum cholesterol levels -Answer--less than 200
LDL levels -Answer--less than 130
ABG values [pH, PCO2, HCO3] -Answer--pH 7.35-7.45
PCO2 35-45
HCO3 21-28
Phosphorus levels -Answer--3-4.5
Platelet levels -Answer--150,000-400,000
aPTT levels; therapeutic level? -Answer--30-40 seconds; therapeutic is 1.5 to 2
times the normal
INR levels -Answer--0.7-1.8
Therapeutic level for INR with anticoagulant therapy -Answer--2-3
, PT levels; therapeutic level? -Answer--11-12.5 seconds; therapeutic is 1.5 to 2 times
the normal
Chloride levels -Answer--98-106
Calcium levels -Answer--9-10.5
Diseases that require airborne precautions -Answer--measles, TB, herpes zoster and
varicella
Heparin antidote -Answer--protamine sulfate
Coumadin antidote -Answer--vitamin k
Digoxin antidote -Answer--digibind
Alcohol withdrawal antidote -Answer--librium (chlordiazepoxide)
Potassium levels -Answer--3.5-5
Sodium levels -Answer--136-145
Magnesium sulfate antidote -Answer--calcium gluconate
Magnesium levels -Answer--1.3-2.1
Diseases for droplet precautions [SPIDERMAN] -Answer--S - scarlet fever; sepsis
P - pneumonia; pertussis
I - influenza
D - diphtheria
E - epiglottitis
R - rubella
M - mumps; meningitis
AN - adenovirus
Risk factors of metabolic alkalosis -Answer--ingestion of antacids; GI suction;
hypokalemia; blood transfusion; prolonged vomiting; total parenteral nutrition
A cause of metabolic acidosis -Answer--diarrhea [acidosis - from the ass]; fever;
hypoxia; starvation; seizure; kidney failure; diabetic ketoacidosis; dehydration
Hemoglobin levels -Answer--males 14-18; females 12-16
