lab values

Question 1

pH

Answer 1

7.35-7.45

Question 2

PaCO2

Answer 2

35-45

Question 3

HCO3

Answer 3

22-26

Question 4

PaO2

Answer 4

80-100

Question 5

SaO2

Answer 5

90-100

Question 6

glucose

Answer 6

70-100 mg/ml

Question 7

HbA1c

Answer 7

4-6%

6.5-8% in DM (target 7%)

Question 8

K+

Answer 8

3.5-5.0

Question 9

Na+

Answer 9

135-`45

Question 10

Cl-

Answer 10

100-106

Question 11

Mg2+

Answer 11

1.3-2.1

Question 12

Ca2+

Answer 12

9.0-10.5

Question 13

phosphorus

Answer 13

3.0-4.5

Question 14

serum osmolality

Answer 14

280-295
*measures amt. electrolytes, proteins, and glucose dissolved in serum
•used to evaluate etiology of hyponatremia

Question 15

BUN

Answer 15

10-20 mg/dl

Question 16

creatinine (Cr)

Answer 16

0.5-1.2

Question 17

uric acid

Answer 17

2.5-7.5 mg/dl

Question 18

HCT

Answer 18

male: 50-54%
female: 37-48%

Question 19

Hgb

Answer 19

male: 14-18
female: 12-16

Question 20

RBC

Answer 20

4.5-6.0

Question 21

MCV (mean corpuscular volume)

Answer 21

86-98

Question 22

MCH (mean corpuscular Hgb)

Answer 22

27-32

Question 23

MCHC (mean corpuscular Hgb concentration)

Answer 23

32-36%

Question 24

WBC

Answer 24

4,300-10,800

Question 25

neutrophils

Answer 25

48-73%

Question 26

lymphocytes

Answer 26

18-48%

Question 27

monocytes

Answer 27

0-9%

Question 28

eosinophils

Answer 28

0-5%

Question 29

basophils

Answer 29

0-2%

Question 30

platelets

Answer 30

150-450,000

Question 31

RDW (red cell distribution width)

Answer 31

11.6-14.6%

Question 32

reticulocyte count

Answer 32

0.5-2.5%

Question 33

PT (prothrombin time)

Answer 33

11. 0-12.5

* prolonged PT means blood taking too long to clot (liver dz; bit K deficiency)

Question 34

INR (International Normalized Ratio)

Answer 34

0. 8-1.1

* 2.0-3.0 on warfarin

Question 35

PTT (partial thromboplastin time)

Answer 35

25-35
*used to evaluate heparin therapy
•goal is 1.5-2.5 times normal value

Question 36

total bilirubin

Answer 36

up to 1.0 mg/ml

Question 37

direct bilirubin

Answer 37

up to 0.4 mg/ml

Question 38

alkaline phosphatase (ALP)

Answer 38

40-130

Question 39

albumin

Answer 39

3.4-5 g/dl