Lab Values

Question 1

State the normal levels for WBC

Answer 1

4,500 - 10,000 mm^3

Question 2

What level of WBC indicate neutropenic precautions need to be made?

Answer 2

<1,500 mm^3 WBCs

Question 3

State the normal levels for RBCs

Answer 3

M: 4.7 - 6.1 x 10^6uL
F: 4.2 - 5.4 x 10^6uL

Question 4

State the normal levels for Plt (platelets)

Answer 4

150,000 - 400,000 x 10^6uL

Question 5

State the normal levels for Hgb

Answer 5

M: 14 - 17 Gm/dL
F: 12 - 16 Gm/dL

Question 6

State the normal levels for Hct

Answer 6

M: 42 - 52%
F: 37 - 47%

Question 7

State the normal fasting glucose range

Answer 7

70 - 100 mg/dL

Question 8

State the normal A1c levels

Answer 8

4-6% (anything < 5.7%)

Question 9

What A1c values would indicate a person with diabetes/poor glucose control?

Answer 9

> 6.5%

Question 10

State the normal INR range

Answer 10

0.9 - 1.1

Question 11

What INR levels indicate doing light exercise only?

Answer 11

> 4.0

Question 12

What INR levels indicate to hold exercises and only do a PT eval?

Answer 12

> 5.0

Question 13

What INR levels contraindicate PT?

Answer 13

> 6.0

Question 14

What is a normal INR for a pt on who may be using Warfarin for Afib, a DVT, or a PE?

Answer 14

2 - 3

Question 15

What is a normal INR for a pt who had a valve replacement?

Answer 15

2.5 - 3.5

Question 16

State the normal troponin levels

Answer 16

< 0.1 - 0.4 ng/ml

Question 17

State the normal levels of SaO2

Answer 17

> 92%

Question 18

What SaO2 levels contraindicate PT?

Answer 18

< 90%

Question 19

What is ABG?

Answer 19

arterial blood gasses

Question 20

What does ABG examine?

Answer 20

• pH (acid-base balance)
• ventilation (CO2)
• oxygenation (O2)

Question 21

How is ABG normally written out?

Answer 21

pH / PaCO2 / PaO2 / HCO3

Question 22

State the normal pH values

Answer 22

7.35 - 7.45

Question 23

State the normal PaCO2 levels

Answer 23

35 - 45 mmHg

Question 24

State the normal PaO2 levels

Answer 24

> 80mmHg

Question 25

State the normal HCO3 levels

Answer 25

22 - 26 mEq/L

Question 26

What occurs with hyponatremia?

Answer 26

• cramps
• weakness
• confusion

Question 27

What occurs with hypernatremia?

Answer 27

• fluid retention
• swelling
• HTN

Question 28

What occurs with hypokalemia?

Answer 28

• flattened T-waves
• arrhythmias
• muscle weakness

Question 29

What occurs with hyperkalemia?

Answer 29

• peaked T-waves

- shortened QT interval

Question 30

What occurs with hypocalcemia?

Answer 30

• paresthesia
• muscle spasm
• seizure
• prolonged QT interval

Question 31

What occurs with hypercalcemia?

Answer 31

• bradycardia
• AV block
• short QT interval
• coma

Question 32

What occurs with hypomagnesemia?

Answer 32

• prolonged PR or QT interval
• T-wave flattening or inversion
• SVT
• ventricular arrhythmia

Question 33

What occurs with hypermagnesemia?

Answer 33

• weakness
• coma
• paralysis
• respiratory failure

Question 34

What occurs with hypochloremia?

Answer 34

• metabolic alkalosis

Question 35

What occurs with hyperchloremia?

Answer 35

• metabolic acidosis