Labs

Question 1

White blood cells

Answer 1

5000-10,000

Question 2

Red blood cells

Answer 2

4.5-5.5 million

Question 3

Hemoglobin

Answer 3

Women: 12.0-16.0 g/dL
Men: 13.5-17.5 g/dL

Question 4

Hematocrit

Answer 4

Women: 36%-46%
Men: 41%-53%

Question 5

Platelets

Answer 5

150,000-400,000

Question 6

Sodium

Answer 6

136-145 mEq/L

Question 7

Potassium

Answer 7

3.5-5.0 mEq/L

Question 8

Albumin

Answer 8

3.5-5.0 g/dL

Question 9

Glucose

Answer 9

Fasting: 70-110mg/dL
2L postprandial: <120mg/dL

Question 10

Calcium

Answer 10

8.4-10.2 mg/dL

Question 11

Phosphorus

Answer 11

3.0-4.5 mg/dL

Question 12

Magnesium

Answer 12

1.5-2.0 mEq/L

Question 13

Chloride

Answer 13

95-105 mEq/L

Question 14

BUN (blood urine nitrogen)

Answer 14

5-20

Question 15

Serum creatinine

Answer 15

0.6-1.2 mg/dL

Question 16

Bilirubin

Answer 16

0.1-1.0 mg/dL

Question 17

Liver Function Tests

Answer 17

ALP: 40-120 u/L
ALT: 7-56 u/L
AST: 10-40 u/L

Question 18

PO^2

Answer 18

80-100%

Question 19

O^2 Sat

Answer 19

95-100%
88-90% for COPD

Question 20

PH blood

Answer 20

7.35-7.45

Question 21

PaCO^2

Answer 21

35-45 mmHg

Question 22

HCO^2

Answer 22

12-26 mEq/L

Question 23

INR

Answer 23

Not warfarin: <1
On warfarin: 2-3

Question 24

aPTT

Answer 24

Not heparin: 30-40
On Heparin: 1.5-2.5 (times the normal range)

Question 25

HDL

Answer 25

> 40 mmol/L

Question 26

LDL

Answer 26

<110 mmol/L

Question 27

Triglycerides

Answer 27

<90 adult mmol/L

Question 28

Total cholesterol

Answer 28

<170 mmol/L

Question 29

Hemoglobin ALC (diabetic test)

Answer 29

Normal: <5.7%
Pre-diabetes: >5.7- <6.0%
Diabetes: > 6.5%

Question 30

Acetaminophen blood lvl

Answer 30

10-25 ug/ml

Question 31

Digoxin blood lvl

Answer 31

0.8-2.0 ug/ml

Question 32

Lidocaine blood lvl

Answer 32

1.5-5.0 million ug/ml

Question 33

Lithium blood lvl

Answer 33

0.6-1.0 mEq/L
Acute mania: 0.8-1.2 mEq/L
Elderly: 0.4-0.8 mEq/L

Question 34

Phenobarbital

Answer 34

Adults: 10-40 ug/ml
Infants/children: 15-30 ug/ml

Question 35

Phenytoin

Answer 35

10-20 ug/ml

Question 36

Theophylline

Answer 36

Adults: 5-15 ug/ml
Children: 5-10 ug/ml
Neonatal/apnea: 6-11 ug/ml

Question 37

Vancomycin

Answer 37

10-20 mg/L