Laboratory Tests and Reference Ranges

Question 1

Normal Range for Sodium?

Answer 1

135-145 mEq/L

Question 2

Normal Range for Potassium?

Answer 2

3.5-5.0 mEq/L

Question 3

Normal Range for Calcium

Answer 3

8.5 -10.5 mg/dL

Textbook: 9 - 11 mg/dL

Question 4

Normal BUN Levels?

Answer 4

10 - 20

Question 5

Normal Creatinine Levels?

Answer 5

0.5 - 1.2 mg/dL

Question 6

Normal Fasting Glucose Levels?

Answer 6

< 100 mg/dL

Question 7

Lab Value indication for Diabetes Mellitus?

Answer 7

> 126 mg/dl (measured on 2 separate days)

Question 8

Normal HbA1c?

Answer 8

4%-6% (5.6)

Question 9

Red Flag Glucose Values for Exercise?

Answer 9

< 70 mg/dL or > 250 mg/dL

At the start of exercise

Question 10

Normal Oxygen Saturation Levels?

Answer 10

95%-98% (keep above 90% during activity)

Question 11

Normal Prothrombin Time (PT)

Answer 11

12 - 15 seconds

Question 12

Normal International Normalized Ratio (INR)

Answer 12

0.9 - 1.1 (ratio)

(Healthy Adults Not On Coagulation)

Question 13

INR for patients on anticoagulation medicine?

Answer 13

> 2.5; guard against falls

(2-3)

Question 14

What INR places a patient at risk of Hemarthrosis?

Answer 14

> 3.0

Question 15

What INR makes exercise, evaluation or therapy contraindicated?

Answer 15

> 4.0