NHA CCMA EXAM: Formulas, Reference Ranges Study Guide 2025 with Complete Solutions

NHA CCMA EXAM: Formulas,
Reference Ranges Study Guide 2025
with Complete Solutions


Newborn respiration rate - ANSWER✔✔-30-50/min


Adult Respiration rate - ANSWER✔✔-12-20/min


Infant-children avg. BP rate - ANSWER✔✔-60/30-100/80 mm Hg


Normal Adult BP - ANSWER✔✔-<120/80 mm Hg


Elevated Adult BP - ANSWER✔✔-120-129/<80 mmHg


Stage 1 Hypertension - ANSWER✔✔-130-139/80-89 mmHg


Stage 2 Hypertension - ANSWER✔✔-140/90 mm Hg


Normal Pulse Oximeter reading - ANSWER✔✔-95%-100%


Hemoglobin (Hgb) ref. range for males - ANSWER✔✔-13-18 g/dL


Hemoglobin (Hgb) ref. range for females - ANSWER✔✔-12-16 g/dL




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, Hematocrit (Hct) ref range for males - ANSWER✔✔-42%-52%


Hematocrit (Hct) ref range for females - ANSWER✔✔-36%-48%


Fasting Blood Glucose (FBS) ref range - ANSWER✔✔-60-110 mg/dL (similar to heart rate)




70-99 normal

100-125 prediabetes

126+ diabetes


Total cholesterol ref range - ANSWER✔✔-less than 200 mg/dL


Low-density lipoprotein (LDL) ref range - ANSWER✔✔-less than 130 mg/dL (unhealthy fats)


High-density lipoprotein (HDL) ref range - ANSWER✔✔-greater than 40 mg/dL (healthy fats)


triglycerides ref range - ANSWER✔✔-less than 150 mg/dL


Erythrocyte sedimentation rate (ESR) - ANSWER✔✔-males: 0-20 mm/hr, females: 0-30 mm/hr


International normalized ratio (INR) - ANSWER✔✔-0.8 - 1.2


Prothrombin time (PT) - ANSWER✔✔-10.4 - 15.7 seconds


Urine - pH ref range - ANSWER✔✔-4 - 6.8


urine - specific gravity - ANSWER✔✔-1.001 to 1.035


Urine - urobilinogen - ANSWER✔✔-0.1 - 1


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