Basic Labs and Diagnostics to Know

Question 1

Red Blood Cells

Answer 1

4.2-5.9 cells/L

Question 2

Hemoglobin

Answer 2

12-17 g/dL

Question 3

hematocrit

Answer 3

36-51%

Question 4

White Blood Cells

Answer 4

4,000 to 10,000 micoliters

Question 5

Neutrophils

Answer 5

> 75%

Question 6

Absolute neutrophil count

Answer 6

> 1,000 microliters

Question 7

Platelets

Answer 7

150,000- 350,000 microliters

Question 8

ESR

Answer 8

1-13 mm/hr

Question 9

INR

Answer 9

Normal: 0.8-1.1
Therapeutic: 2.0-3.5

Question 10

Prothrombin (PT)

Answer 10

11-12.5 seconds

Question 11

aPTT (Activated partial thromboplastin time)

Answer 11

25-35 seconds

Question 12

Partial Prothrombin Time (PTT)

Answer 12

60-70 seconds

Question 13

D-dimer

Answer 13

< 0.5 mcg/mL

Question 14

Blood Urea Nitrogen

Answer 14

8-20 mg/dL

Question 15

Creatinine

Answer 15

0.7-1.3 mg/dL

Question 16

Potassium

Answer 16

3.5-5.0 mEq/L

Question 17

Sodium

Answer 17

136-145 mEq/L

Question 18

Calcium

Answer 18

9-10.5 mg/dL

Question 19

Magnesium

Answer 19

1.5 - 2.4 mEq/L

Question 20

Glucose

Answer 20

70-100 mg/dL

Question 21

Protein-Total

Answer 21

6-7.8 g/dL

Question 22

Protein- Albumin

Answer 22

3.5-5 g/dL

Question 23

GFR

Answer 23

90 or higher

Question 24

Serum Osmolality

Answer 24

275-295 mOsm/kg

Question 25

pH

Answer 25

7.35-7.45

Question 26

pO2

Answer 26

80-100 mmHg

Question 27

pCO2

Answer 27

35-45 mmHg

Question 28

HCO3

Answer 28

22-26 mEq/L

Question 29

O2 Saturation

Answer 29

> 94%

Question 30

Ammonia

Answer 30

40-80 mcg/dL

Question 31

Bilirubin-total

Answer 31

0.3-1.2 mg/dL

Question 32

TSH

Answer 32

0.5-5 mU/L

Question 33

Brain natriuretic peptide (BNP)

Answer 33

<100 pg/mL

Question 34

HgA1C

Answer 34

<6%

Question 35

Alkaline Phosphate (ALP)

Answer 35

36-92 U/L

Question 36

Aminotransferase Aspartate (AST)

Answer 36

0-35 U/L

Question 37

Aminotransferase Alanine (ALT)

Answer 37

0-35 U/L

Question 38

Amylase

Answer 38

0-130 U/L

Question 39

Troponin I&T

Answer 39

<0.5 ng/mL

Question 40

Total Cholesterol

Answer 40

<200 mg/dL

Question 41

HDL

Answer 41

60 mg/dL

Question 42

LDL

Answer 42

60-130 mg/dL

Question 43

Triglycerides

Answer 43

<150 mg/dL

Question 44

Therapeutic Level: digoxin

Answer 44

0.8-2.0 ng/mL

Peak 30-40 minutes following infusion and Tough immediately before dose

Question 45

Therapeutic Level: Lithium

Answer 45

0.6-1.2 mEq/L

Peak 30-40 minutes following infusion and Tough immediately before dose