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PROTEINS

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

What type of bond is present in proteins?

Back (Answer)

peptide bonds

#2
Front (Question)

Most plasma proteins are synthesized in the ________:

Back (Answer)

Liver

#3
Front (Question)

What are the plasma proteins that are not synthesized in the liver?

Back (Answer)

Immunoglobulins and vWF

#4
Front (Question)

The nitrogen content of serum proteins is on average of approximately ___%:

Back (Answer)

16%

#5
Front (Question)

Site of protein synthesis within the cell:

Back (Answer)

Ribosomes

#6
Front (Question)

aka transthyretin; negative acute phase reactant; marker for poor nutritional status:

Back (Answer)

Prealbumin

#7
Front (Question)

Present in highest concentration in serum; represents 2/3 of total protein; provide nearly 80% of colloid osmotic pressure of intravascular fluid; increases only in DEHYDRATION:

Back (Answer)

Albumin

#8
Front (Question)

If albumin represents 2/3 of total protein while globulin represents 1/3 of total protein, then what is the A:G ratio?

Back (Answer)

Normal A:G ratio = 2:1

#9
Front (Question)

how many percent of total calcium binds to albumin?

Back (Answer)

50% of calcium binds to albumin

#10
Front (Question)

What is the common manifestation of hypoalbuminemia:

Back (Answer)

Edema

#11
Front (Question)

Albumin increases only in:

Back (Answer)

Dehydration

#12
Front (Question)

Inhibits elastase; causes emphysema in this protein is deficient:

Back (Answer)

Alpha-1-antitrypsin

#13
Front (Question)

Produced by fetal liver; elevation of this protein is associated in neural tube defect/presence of twins:

Back (Answer)

Alpha-1-fetoprotein

#14
Front (Question)

Low levels of a1-fetoprotein can increase risk for:

Back (Answer)

Down syndrome (trisomy 21)

#15
Front (Question)

a1-fetoprotein can be used as a tumor marker for:

Back (Answer)

Hepatocellular carcinoma and some testicular carcinomas

#16
Front (Question)

Copper-containing protein; used in diagnosis of Wilson’s disease:

Back (Answer)

Ceruloplasmin

#17
Front (Question)

In Wilson’s disease, ceruloplasmin levels are a. elevated b. decreased

Back (Answer)

b. decreased

#18
Front (Question)

What do you call the deposition of copper in the cornea manifested by ceruloplasmin deficiency?

Back (Answer)

Kayser-Fleischer rings

#19
Front (Question)

Large protein that inhibits proteases; Increased in Nephrotic syndrome due to large size that aids in its retention:

Back (Answer)

Alpha-2-macroglobulin

#20
Front (Question)

Manifestations of Nephrotic syndrome:

Back (Answer)

• Massive proteinuria • Hypoalbuminemia • Hypogammaglobulinemia • Hypercoagulable state • Hyperlipidemia and hypercholesterolemia (oval fat bodies)

#21
Front (Question)

Protein that binds free hemoglobin to prevent loss of hgb and its constituent iron into urine; used primarily to detect and evaluate anemia:

Back (Answer)

Haptoglobin

#22
Front (Question)

In Intravascular Hemolysis, haptoglobin ________. a. increases b. decreases c. doesn’t change

Back (Answer)

a. increases

#23
Front (Question)

Protein that scavenge heme released/lost by the turnover of heme proteins; diagnostic of HA in low levels:

Back (Answer)

Hemopexin

#24
Front (Question)

Protein that transports two (2) molecules of ferric iron; a negative acute phase reactant:

Back (Answer)

Transferrin