1.1.3 Basic Principles and Techniques (Units and Conversion Factors)

Question 1

Conventional Unit for Electrolytes?

a. mg/dL
b. pg/dL
c. mEq/L
d. ug/dL
e. ng/dL
f. g/dL

Answer 1

c

Question 2

All conventional Unit has a unit w/v

T or F

Answer 2

F

Electrolytes are mEq/L

Question 3

All SI unit has a unit of molar

T or F

Answer 3

F

Protein is g/L

Question 4

How to convert Conventional Unit to SI unit?

a. Multiply by 10
b. Multiply by Conversion factor
c. Divide by 10
d. Divide by Conversion factor

Answer 4

b

Question 5

How to convert SI Unit to Conventional unit?

a. Multiply by 10
b. Multiply by Conversion factor
c. Divide by 10
d. Divide by Conversion factor

Answer 5

d

Question 6

Formula for Conversion Factor?

Answer 6

CF: 10/MW or Atomic W

Question 7

All Analyte has a conventional Unit of mg/dL except:

Glucose
Urea
Bun
Uric acid
Ammonia
Cholesterol

Answer 7

Ammonia

Hint: JUST memorize the analyte that are not mg/dL and mmol/L

Question 8

All Analyte has a conventional Unit of mEq/L except:

Ca2+
Mg2+
Sodium
Potassium
Cl-
HCO3
Iron

Answer 8

Iron

Question 9

Ammonia

a. ug/mL
b. ng/mL
c. pg/mL
d. g/mL

Answer 9

a

Question 10

T3

a. ug/mL
b. ng/mL
c. pg/mL
d. g/mL

Answer 10

b

Question 11

T4
a. ug/mL
b. ng/mL
c. pg/mL
d. g/mL

Answer 11

a

Question 12

Vit B12

a. ug/mL
b. ng/mL
c. pg/mL
d. g/mL

Answer 12

c

Question 13

Protein

a. ug/mL
b. ng/mL
c. pg/mL
d. g/mL

Answer 13

d

Question 14

Folic acid

a. ug/mL
b. ng/mL
c. pg/mL
d. g/mL

Answer 14

b

Question 15

Iron

a. ug/mL
b. ng/mL
c. pg/mL
d. g/mL

Answer 15

a

Question 16

Cortisol

a. ug/mL
b. ng/mL
c. pg/mL
d. g/mL

Answer 16

a

Question 17

Creatinine

a. umol/L
b. nmol/L
c. pmol/L
d. g/L

Answer 17

a

Question 18

Bilirubin

a. umol/L
b. nmol/L
c. pmol/L
d. g/L

Answer 18

a

Question 19

T4

a. umol/L
b. nmol/L
c. pmol/L
d. g/L

Answer 19

b

Question 20

T3

a. umol/L
b. nmol/L
c. pmol/L
d. g/L

Answer 20

b

Question 21

Ammonia

a. umol/L
b. nmol/L
c. pmol/L
d. g/L

Answer 21

a

Question 22

Iron

a. umol/L
b. nmol/L
c. pmol/L
d. g/L

Answer 22

a

Question 23

Cortisol

a. umol/L
b. nmol/L
c. pmol/L
d. g/L

Answer 23

a

Question 24

Folic acid

a. umol/L
b. nmol/L
c. pmol/L
d. g/L

Answer 24

b

Question 25

Proteins a. umol/L b. nmol/L c. pmol/L d. g/L

Answer 25

d

Question 26

Vit B 12 a. umol/L b. nmol/L c. pmol/L d. g/L

Answer 26

c

Question 27

Urea is the whole compound while BUN is the nitrogen content of the urea T or F

Answer 27

T

Question 28

How do you Convert Urea to BUN?

Answer 28

divide by 2.14

Question 29

How do you convert from BUN to urea?

Answer 29

mutiply by 2.14

Question 30

How fo you convert the conventional unit of Creatinine (mg/dL) to umol/L? Creatinine: 113.12

Answer 30

CF = (10/MW) x 1000 = 88.4

Question 31

Both Creatinine and Bilirubin have: CU: mg/dL SI: umol/L T or F

Answer 31

T

Question 32

What type of biochemical is Cortisol?

Answer 32

Steroids Steroids are synthesize from Cholesterol

Question 33

Cortisol has a closed relation to Carbohydrate T or F

Answer 33

F Close to Cholesterol

Question 34

How do you convert Conventional unit for T4 to SI? T4 = 777

Answer 34

CF = (10/MW) x 1000 =12.9

Question 35

Which among the following is an Accepted SI unit? a. g/dL b. mg/dL c. g/L d. mg/L

Answer 35

c From protein

Question 36

What is the conversion factor if the protein has a Conventional unit of mg/dL?

Answer 36

0.01

Question 37

The following proteins are routinely expressed as mg/dL? a. Fibrinogen b. Transferin c. Albumin d. a and b

Answer 37

d

Question 38

154 mg/dL urea = _______ mmol/L

Answer 38

25.71mmol/L Solution 154 x 0.167

Question 39

4.21iron umol/L = ___________ ug/L

Answer 39

23.52 Solution 4.21 / 0.179

Question 40

4.12 T4 umol/dL = _________ ng/L

Answer 40

319.38 Solution: 4.12 / 12.9 = 0.319379 x 1000 = 319.38

Question 41

321 mmole/L Potassium = ___________ mEq/L

Answer 41

321 mmole/L

Question 42

10 mg/dL calcium = __________ mEq/L

Answer 42

5 Solution: 10 x 0.25 = 2.5 mmol/L (This is Molarity = Moles/L) Since Normality = Eq/L is given N = M x V Valence of Calcium is 2 (Ca2+) N= 2.5 mmol/L x 2 N = 5

Question 43

Which of the following is monovalent? a. Magnesium b. Calcium c. Chlorine d. None of the above

Answer 43

c

Question 44

2mg/dL transferase = ____ g/dL = _____ g/L

Answer 44

0.002 g/dL 0.02 g/L Solution: 2mg/dL / 1000mg = 0.002g/dL 0.002 g/dL x 10 dL = 0.02g/L