Module 1: Diagnostics

Question 1

normal lab values and reason for WBC?

Answer 1

4 - 10.5 x 10 9/L

infection

Question 2

normal lab values and reason for RBC?

Answer 2

3.8 - 5.2 x 10 12/L

Question 3

normal lab values and reason for Hgb?

Answer 3

120 - 150 g/L

- O2 levels

Question 4

normal lab values and reason for HCT?

Answer 4

0. 35-0.48 L/L

- hydration

Question 5

normal lab values and reason for platelet?

Answer 5

150-400 x 10 9/L

- clotting

Question 6

normal lab values for neutrophil?

Answer 6

2.00 - 6.00 x10 9/L

Question 7

normal lab values for Na?

Answer 7

135-145 mmol/L
- Extracellular transmembrane potential
- acid base balance
Hypernatremia - higher than normal sodium levels
hyponatremia - lower than normal sodium levels

Question 8

normal lab values for K?

Answer 8

3.5 - 5.0 mmol/L
- can cause cardiac problems and kill
> hyperkalemia
< Hypokalemia

Question 9

normal lab values for glucose?

Answer 9

3.9 - 11.0
- main source of energy for the brain
- stored as glycogen in the liver
- from carb metabolism
> hyperglycemia
< hypoglycemia

Question 10

normal lab values for creatinine?

Answer 10

50 - 90

Question 11

normal lab values for GFR?

Answer 11

< 60

Question 12

normal lab values and reason for PTT?

Answer 12

23-32 (Partial thromboplastin time)

• how long it takes for blood to clot
• heparin increases clotting time

Question 13

normal lab values for PT-INR?

Answer 13

0. 9 - 1.1 (Prothrombin time/ international normalized ratio)
   - blood clotting time expressed as a ratio