Labs & Normal Values

Question 1

activated partial thromboplastin time (aPTT)

Answer 1

30-40 seconds

Question 2

adolescent vital signs

(12-20 years)

Answer 2

temp: 97-100.4 degrees F
pulse: 70-100
respirations: 12-20

BP: 104-135/60-83 mm Hg

Question 3

adult vital signs

Answer 3

oral temperature: 36-38 degrees C (96.8-100.4 degrees F)

pulse: 60-100 bpm at rest

respiratory rate: 12-20 bpm at rest

SaO2: 95-100% (<87% for COPD pt)

blood pressure: 90-120/60-80 mm Hg

Question 4

alanine aminotransferase (ALT)

Answer 4

4-36 units/L

Question 5

ammonia

Answer 5

10-80 mcg/dL

Question 6

arterial blood gas (ABG)

Answer 6

pH: 7.35-7.45

PaCO2: 35-45 mm Hg

PaO2: 80-100 mm Hg

HCO3: 22-26 mEq/L

SaO2: 95-100%

BE: -2 to +2 mmol/L

Question 7

aspartate aminotransferase (AST)

Answer 7

0-35 units/L

Question 8

Basic Metabolic Panel tests

Answer 8

calcium

carbon dioxide

chloride

creatinine

glucose

potassium

sodium

blood urea nitrogen

Question 9

arterial blood bicarbonate (HCO^-₃)

Answer 9

22-26 mEq/L

Question 10

arterial blood carbon dioxide

Answer 10

35-45 mEq/L

Question 11

arterial blood pH

Answer 11

7.35-7.45

Question 12

blood urea nitrogen (BUN)

Answer 12

10-20 mg/dL

Question 13

brain natriuretic peptide (BNP)

Answer 13

<100 pg/mL

Question 14

calcium

Answer 14

9-10.5 mg/dL

Question 15

cardiac index

Answer 15

cardiac output in relation to body surface area (BSA)

2.8-4.2 L/min/m²

Question 16

cardiac output

Answer 16

CO = HR + stroke volume

4-7 L/min

Question 17

cardiac output

Answer 17

3-5 L

Question 18

Complete Blood Count

Answer 18

Red Blood Cells:

RBC count, total hemoglobin, hematocrit

mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, red cell distribution width, reticulocyte count

White Blood Cells:

WBC count

differential includes counts of neutrophils, lymphocytes, monocytes, eosinophils, and basophils

Platelet Count

Question 19

Complete Metabolic Panel tests

Answer 19

BMP

ablumin

alkaline phosphatase

alanine aminotransferase

aspartate aminotransferase

total bilirubin

total protein

Question 20

creatinine (Cr), female

Answer 20

0.5-1.1 mg/dL

Question 21

creatinine (Cr), male

Answer 21

0.6-1.2 mg/dL

Question 22

digoxin level, theraputic

Answer 22

0.8-2.0 ng/mL

Question 23

digoxin level, toxic

Answer 23

>2.4 ng/mL

Question 24

Ejection Fraction (EF)

Answer 24

high function: > 70%

normal: 55-70%

low function: 40-55%

possible HF: <40%

Question 25

full anticoagulant therapy coagulation studies

Answer 25

1.5-2 times control value

Question 26

glucose (fasting)

Answer 26

74-106 mg/dL

Question 27

glycosylated hemoglobin (HGB A1C), good diabetic control

Answer 27

\< 7%

Question 28

glycosylated hemoglobin (HGB A1C), non-diabetic

Answer 28

normal: < 5.7% diabetes: < 6.5%

Question 29

hematocrit (HCT), female

Answer 29

37-47%

Question 30

hematocrit (HCT), male

Answer 30

42-52%

Question 31

hemoglobin (HGB), female

Answer 31

12-16 g/dL

Question 32

hemoglobin (HGB), male

Answer 32

14-18 g/dL

Question 33

infant vital signs (1-12 months)

Answer 33

temperature: 97-100.4 degrees F pulse: 100-160 bpm respirations: 30-60 BP: 87-105/53-66 mm Hg O2: 95-100

Question 34

International Normalized Ratio (INR)

Answer 34

0.8-1.1 2-3 on warfarin

Question 35

international normalized ratio (INR)

Answer 35

0.8-1.1 full anticoagulant Tx: > 1.5-2 times control value

Question 36

Liver Function Tests

Answer 36

albumin alanine aminotransferase aspartate aminotransferase alkaline phosphatase gamma-glutamyl transferase serum bilirubin prothrombin time international normalized ratio

Question 37

magnesium

Answer 37

1.3-2.1 mEq/L

Question 38

neonatal vital signs (1-28 days)

Answer 38

temp: 97-100.4 degrees F pulse: 100-160 respirations: 30-60 BP: 60-90/20-60 mm Hg O2: 95-100%

Question 39

P-R interval time

Answer 39

0.12-0.2 seconds

Question 40

partial thromboplastin time (PTT)

Answer 40

60-70 seconds full anticoagulant Tx: > 1.5-2 times control value

Question 41

phosphate (PO₄^3-)

Answer 41

3-4.5 mg/dL

Question 42

platelets

Answer 42

150,000-400,000 /mm3

Question 43

potassium

Answer 43

3.5-5.0 mEq/L

Question 44

preschool vital signs (3-6 years)

Answer 44

temp: 97-100.4 degrees F pulse: 70-110 respirations: 22-34 BP: 95-111/57-69 O2: 95-100

Question 45

prothrombin time (PT)

Answer 45

11.0-12.5 seconds full anticoagulant Tx: > 1.5-2 times control value depends on reagents used for test

Question 46

QRS interval time

Answer 46

≤ 0.12 seconds

Question 47

red blood cells, female

Answer 47

4.2-5.4 trillion/L

Question 48

red blood cells, male

Answer 48

4.7-6.1 trillion/L

Question 49

school age child vital signs (6-12)

Answer 49

temperature: 97-100.4 degrees F pulse: 65-110 respirations: 18-30 BP: 97-112/57-71 mm Hg O2: 95-100

Question 50

serum osmolarity

Answer 50

270-300 mOsm/L

Question 51

sodium

Answer 51

136-145 mEq/L

Question 52

toddler vital signs (1-3 years)

Answer 52

temperature: 97-100.4 degrees F pulse: 80-110 respirations: 24-40 BP: 95-111/57-69 mm Hg O2: 95-100%

Question 53

troponin (T or I)

Answer 53

0-0.05 mcg/L

Question 54

white blood cells

Answer 54

5,000-10,000/mm3

Question 55

mean arterial pressure (MAP)

Answer 55

minimum: >= 60 mm Hg normal: >= 65 - 110 mm Hg

Question 56

central venous pressure (CVP)

Answer 56

2-6 mm Hg

Question 57

intracranial pressure (ICP)

Answer 57

10-15 mm Hg