Lab Values

Question 0

Tricep skin fold

Answer 0

Males: 12.5 mm
Females: 16.5mm

Question 1

Albumin

Answer 1

3.5-5 gm/dL

Increased= dehydration

Decreased= impaired hepatic fx, stress, sepsis, starvation, malabsorption, dialysis, nephrotic syndrome, edema

Question 2

Arm muscle area

Answer 2

Males: 25.3 cm
Females: 23.2 cm

Question 3

Waist circumference

Answer 3

Males: </= 35

Question 4

Waist:hip ratio

Answer 4

1.0 or higher (men) or 0.8 or higher (women) indicative of android obesity

Question 5

Na

Answer 5

136-145

Question 6

Cl

Answer 6

96-106

Question 7

Ca

Answer 7

4.5-5.5

Question 8

K (potassium)

Answer 8

3.5-5

Question 9

Phosphorus

Answer 9

3-4.5

Question 10

Mg

Answer 10

1.5-2.5

Question 11

LDL

Answer 11

< 100 is optimal
100-129 near optimal
130-159 = border line high
160-189 = high

Question 12

Cholesterol

Answer 12

Desirable= Less than 200
200-239 = borderline high
> 239 = high

Question 13

HDL (carries cholesterol from tissue to liver for excretion)

Answer 13

< 40 for men = major risk factor for heart disease

40-59 the higher the better

Question 14

Serum transferritin (measure of storage pool of iron; visceral protein marker)

Answer 14

> 200 mg/dL

Question 15

Transthyretin (best visceral protein marker)

Answer 15

16-40 mg/dL

Question 16

Hematocrit (measure of % blood composed of RBCs)

Answer 16

> 44% for men
38% for women
33% for pregnant women

Question 17

Mean Corpuscular volume (MCV, size of RBC)

Answer 17

85-90

>95= high

Question 18

Mean corpuscular hemoglobin (MCH; avg amount of hemoglobin in a RBC)

Answer 18

27-31

Question 19

Hemoglobin

Answer 19

Males= 14-17 mg/DL
Females= 12-15
Preggy = 11
1-6 mo= 9.5-12.9
7mo-2 yrs= 10.5-12.8 
2-8 yrs= 11.5-14

Question 20

Serum creatinine (measure of somatic protein, LBM)

Answer 20

0.6-1.4 mg/dL

Question 21

Blood Urea Nitrogen

Answer 21

10-20 mg/dL

< 100 on ESRD dialysis

Increased= high pro intake, starvation catabolism, fever, infection, renal disease, Addison’s disease, dehydration, corticosteroids

Decreased= severe liver damage, low protein intake, low albumin, fluid overload

Question 22

Serum ferritin (best lab assessment of iron)

Answer 22

Males= 12-300 ng/mL
Females= 10-150

Question 23

Total lymphocyte count

Answer 23

> 2700 cells

Question 24

Prothrombin time (clotting factor)

Answer 24

11-12.5 seconds

Question 25

BUN:Creat Ratio

Answer 25

10-15: 1

Question 26

Creatinine height index

Answer 26

Normal= 80% Mild muscle depletion= 60-80%

Question 27

Normal stool fat = Malabsorption of fat =

Answer 27

Norm 2-5 gm fat in stool Malabsorption = > 7gm

Question 28

Triglycerides

Answer 28

Normal= below 150 Borderline High 150-199 High= 200-499