proteins

Question 1

rich in tryptophan

Answer 1

prealbumin

transthyretin

Question 2

confirm CSF specimen

Answer 2

prealbumin

Question 3

metabolize vitamin A

Answer 3

prealbumin

Question 4

most abundant protein in normal plasma

Answer 4

albumin

Question 5

maintains oncotic pressure

Answer 5

albumin

Question 6

rises in dehydration

Answer 6

albumin

Question 7

general transport and carrier protein

Answer 7

albumin

Question 8

vital in the understanding and interpretation of calcium and magnesium because they are bound to it

Answer 8

albumin

Question 9

related to emphysema

Answer 9

alpha1-antitrypsin

Question 10

neutralize elastase

Answer 10

alpha1-antitrypsin

Question 11

seen in maternal blood 7-8mos of pregnancy

Answer 11

alpha1-fetoprotein (AFP)

Question 12

increased in spina bifida and neural tube defects

Answer 12

alpha1-fetoprotein (AFP)

Question 13

decreased in down and edwards syndrome

Answer 13

alpha1-fetoprotein (AFP)

Question 14

has a very high carbohydrate and sialic content

Answer 14

oromucosoid

alpha1-glycoprotein

Question 15

greatest affinity for progesterone

Answer 15

oromucosoid

alpha1-glycoprotein

Question 16

distinguish intravascular (low) and extravascular hemolysis (normal)

Answer 16

haptoglobin

Question 17

bind free Hgb

Answer 17

haptoglobin

Question 18

transports ferric ions

Answer 18

transferrin

siderophilin

Question 19

determines TIBC

Answer 19

transferrin

Question 20

copper-binding protein

Answer 20

ceruloplasmin

Question 21

imparts blue color to the protein

Answer 21

ceruloplasmin

Question 22

decreased in Wilson’s disease

Answer 22

ceruloplasmin

Question 24

has the strongest binding affinity for heme

Answer 24

hemopexin

Question 25

marker for assessing disease activity in rheumatic disorders

Answer 25

C3

complement

Question 27

most abundant of the coagulation factors

Answer 27

fibrinogen

Question 28

high levels in plasma may cause increase in ESR

Answer 28

fibrinogen

Question 30

rapid test for presumptive bacterial versus viral infection

Answer 30

CRP

high - bacterial, low - viral

Question 31

what does Kjedahl measure?

Answer 31

nitrogen content

Question 32

method with this principle: formation of violet-colored chelate between cupric ions and peptide bonds

Answer 32

biuret method

Question 33

what does Nessler and Berthelot measure?

Answer 33

ammonia

Question 34

what keeps copper in the solution during biuret?

Answer 34

tartrate salt

Question 35

antioxidant and stabilizer of copper in biuret

Answer 35

potassium iodide

Question 36

most specific dye to albumin

Answer 36

bomcresol purple

Question 37

gold standard for total protein measurement

Answer 37

Kjedahl

Question 38

reference method for total protein measurement

Answer 38

biuret method

Question 39

true or false

high ionic strength = low migration

Answer 39

true

Question 40

protein that migrates the slowest but has the highest pI

Answer 40

gamma globulins