Labs (purpose and normal values)

Question 1

WBC (adult and child)

Answer 1

5k-10k (adult), 5k-13k

Question 2

Hgb (adult m, adult f, child)

Answer 2

13-18 (m), 12-16 (f), 11-13 (child)

Question 3

Hct

Answer 3

42-52% (m), 35-47% (f)

Question 4

K

Answer 4

3.5-5.0

Question 5

Ca

Answer 5

8.5-10.5

Question 6

PT (purpose and value)

Answer 6

monitors effectiveness of warfarin therapy/detects coagulation disorders, 9.5-12 sec

Question 7

BUN (purpose and value)

Answer 7

evaluate renal fx

10-20

Question 8

AST/ALT

Answer 8

8-40

Question 9

urine pH

Answer 9

4.5-8

Question 10

urine specific gravity

Answer 10

1.003-1.030

Question 11

urine output (ml/day)

Answer 11

1,000-2,000 ml/day

Question 12

RBC (adult m, adult f, child)

Answer 12

4.6-6.2 mill (m), 4.2-5.4 mill (f), 3.2-5.3 mill (child)

Question 13

PTT (purpose and value)

Answer 13

monitors effectiveness of heparin therapy/detects coagulation disorders, 20-39 seconds

Question 14

Plt

Answer 14

150k-450k

Question 15

INR

Answer 15

1 sec, 2-3 sec for a-fib/DVT/PE, 2.5-3.5 sec for prosthetic heart valve

Question 16

ESR (purpose and value for - male under and over 50, female under and over 50)

Answer 16

indicates inflammation
male under 50: less than 15
male over 50: less than 20
female under 50: less than 25
female over 50: less than 30

Question 17

GTT (fasting, 1hr, 2hr, 3hr)

Answer 17

fasting: 60-110
1hr: 190
2hr: 140
3hr: 125

Question 18

total cholesterol

Answer 18

150-200

Question 19

LDL

Answer 19

less than 160 if no CAD and less than 2 RF
less than 130 if no CAD and 2 RF
less than 100 if CAD

Question 20

HDL (m and f)

Answer 20

35-70 (m), 35-85 (f)

Question 21

CR (purpose and value - adult, child infant)

Answer 21

test of renal function

0.7-1.4 (adult), 0.4-1.2 (child), 0.3-0.6 (infant)

Question 22

alkaline phosphatase (purpose and value - adult and infant/adolescent)

Answer 22

evaluates liver and bone function
adult 50-120
infant and adolescent up to 104

Question 23

CK (purpose and findings)

Answer 23

used to dx acute MI, detected in blood in 3-5 hr
MM bands present = skeletal muscle damage
MB bands present = heart muscle damage

Question 24

serum albumin (purpose and value)

Answer 24

used to detect protein malnutrition

3.5-5.5

Question 25

triglycerides

Answer 25

100-200

Question 26

ABG pH

Answer 26

7.35-7.45

Question 27

ABG paCO2

Answer 27

35-45

Question 28

ABG HCO3

Answer 28

22-26

Question 29

ABG SaO2

Answer 29

95-99%

Question 30

ABG PaO2

Answer 30

80-100

Question 31

Mg

Answer 31

1.3-2.3

Question 32

Na

Answer 32

135-145

Question 33

Neonate nml VS

Answer 33

HR = 100-180, RR = 30-60, SBP >60, BS around 40

Question 34

Infant nml VS

Answer 34

HR = 100-140, RR = 25-50, SBP 70-90

Question 35

Child nml VS

Answer 35

HR = 80-100, RR = 15-30, SBP 80-110

Question 36

Adult nml VS

Answer 36

HR = 60-100, RR =12-20, BP 90-120/60-70

Question 37

therapeutic range for digoxin

Answer 37

0.5-2.0

Question 38

therapeutic range for lithium

Answer 38

0.6-1.2