proteins II Flashcards

1
Q

it evaluates degree of intravascular hemolysis (HTR and HDN)

a, hemopexin

b. GC globulin
c. Haptoglobulin
d. ceruloplasmin

A

haptoglobulin

  • a2 glycoprotein
  • apr
  • it binds free hemoglobin by its chan
  • prevents the loss of hgb and its constituent iron into the urine
  • evaluate degree intravascular hemolysis (HTR and HDN)
  • slightly decreased after blood transfusion
  • it is one of the proteins evaluates rheumatic disease
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

proteins increased in stressful conditions

a, hemopexin

b. GC globulin
c. Haptoglobulin
d. ceruloplasmin

A

haptoglobulin

  • evaluate degree intravascular hemolysis (HTR and HDN)
  • slightly decreased after blood transfusion
  • it is one of the proteins evaluates rheumatic disease
  • increased: STRESSFUL CONDITIONS, MYOGLOBULINURIA
  • decreased : INTRAVSCULAR HEMOLYSIS AND HEMOGLOBINURIA
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

blue color to ptotein

a. ceruloplasmin
b. haptoglobulin
c. alpha 2 microglobulin
d. beta 2 microglobulin

A

Ceruloplasmin

  • copper binding alpha 2 glycoprotein that has enzymatic activities
  • synthesized in the liver that has 6-8 atoms attached
  • blue color to protein
  • marker for Wilson’s disease
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

kayser fleisher rings

a. ceruloplasmin
b. haptoglobulin
c. alpha 2 microglobulin
d. beta 2 microglobulin

A

Ceruloplasmin

  • marker for Wilson’s disease
  • clinical feature of wilson’s disease
    • deposition of copper in skin, liver , brain and eye (KAYSER FLEISHER RINGS)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

DECREASED: menke’s kinky hair syndrome

a. ceruloplasmin
b. haptoglobulin
c. alpha 2 microglobulin
d. beta 2 microglobulin

A

ceruloplasmin
- increased : Inflammation, cancer, pregnancy

  • decreased: Wilson’s disease , Malnutrition, malabsorption, nephritic disease and Menke’s kinky hair’s syndrome
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

largest non immunoglobulin protein in plasma

a. ceruloplasmin
b. haptoglobulin
c. alpha 2 microglobulin
d. beta 2 microglobulin

A

alpha 2 - macroglobulin (AMG)
- largest non immunoglobulin protein in plasma
- found in intravascular spaces
- it inhibits proteases : trypsin, pepsin and plasmin
- increase in Nephrosis (10x) , diabetes and Liver disease
-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

it forms complex with prostate specific antigen

a. ceruloplasmin
b. haptoglobulin
c. alpha 2 microglobulin
d. beta 2 microglobulin

A

alpha 2 - macroglobulin (AMG)
- it FORMS COMPLEX with prostate specific antigen

alpha 1 - antichymotrypsis (a1-X)
- BINDS AND ACTIVATES PSA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

light chain component of major human leukocyte antigen

a. ceruloplasmin
b. haptoglobulin
c. alpha 2 microglobulin
d. beta 2 microglobulin

A

beta2 - microglobulin
- lc of major HLA
- found on the surface of all nucleated cells
`- present in high concentration of lymphocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Synthesized in the plasma cell

a. ceruloplasmin
b. transferrin
c. immunoglobulin
d. lipoprotein

A

immunoglobulins

- they are synthesized in the plasma cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

increased : hemochromatosis

a. ceruloplasmin
b. transferrin
c. immunoglobulin
d. lipoprotein

A

transferrin (siderophilin)

  • increased : HEMOCHROMATOSIS (BRONZE SKIN) , IDA
  • decreased: Liver disease, MAlnutrition, nephrotic syndrome
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

major component of beta2 globulin fraction

a. ceruloplasmin
b. transferrin
c. immunoglobulin
d. lipoprotein

A

transferrin (siderophilin)

  • major component of B2 globulin fraction
  • negative APR
  • transports iron to its storage sites
  • prevent loss of iron through the kidneys
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

in IDA what is the concentration of transferrin

a. increased
b, decreased

A

in IDA transferrin concentration is NORMAL / INCREASED

  • an elevated plasma level appears as “ paraprotein” - PSEUDOPARAPROTEINEMIA in SEVERE IDA
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

one of the largest proteins in the blood

a. transferrin
b. immunoglobulin
c. fibrinogen
d. lipoprotein

A

fibrinogen
- one of the largest protein in the blood
-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly