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Essential Biochemistry - Plasma Proteins And Immunoglobulins (Section 1)

1
Which immunoglobulin is associated with allergic reactions?
Answer
(D)
IgE
2
Which of the following is an acute phase reactant?
Answer
B
C
D
3
Hypoalbuminemia may be due to:
Answer
A
B
C
4
The function of transferrin is to:
Answer
(B)
Transport iron
5
Which immunoglobulin is a dimer?
Answer
(B)
IgA
6
Which of the following can result in decreased albumin synthesis?
Answer
(D)
All of the above
7
Plasma albumin performs the following function, except:
Answer
(C)
Stabilization of glucose
8
Which of the following is the most abundant immunoglobulin in serum?
Answer
(A)
IgG
9
The A/G ratio is usually:
Answer
(B)
2:1
10
The most abundant protein in plasma is:
Answer
(A)
Albumin
11
Which protein binds free hemoglobin?
Answer
(B)
Haptoglobin
12
The plasma protein that is not synthesized by the liver is:
Answer
(C)
γ-globulin
13
Which immunoglobulin is associated with allergic reactions?
Answer
(D)
IgE
14
Which of the following immunoglobulins is predominantly found in secretions such as saliva, tears, and intestinal and genital tract secretions?
Answer
(C)
IgA
15
Following are pentameric immunoglobulins:
Answer
(D)
IgM
16
Which of the following is true regarding Bence Jones proteins?
Answer
A
B
C
17
Which of the following is decreased in nephrotic syndrome?
Answer
(A)
Albumin
18
The antibody class which can pass through the placenta to protect fetus is:
Answer
(C)
IgG
19
Which of the following is the most abundant immunoglobulin in serum?
Answer
(A)
IgG
20
In which of the following conditions, the A/G ratio can be altered?
Answer
(D)
All of the above
21
Which protein has a high buffering capacity?
Answer
(A)
Albumin
22
Which immunoglobulin is a pentamer?
Answer
(C)
IgM
23
Cigarette smoke inhibits the activity of
Answer
(C)
a1-antitrypsin
24
Bence Jones proteins are:
Answer
(A)
monoclonal light chains
25
Which of the following is NOT a function of immunoglobulins?
Answer
(B)
Catalyzing the synthesis of ozone
26
IgM is the first antibody produced in response to an antigen, and is important to defense against bacteria and viruses.
Answer
(D)
Pentamer
27
In serum protein electrophoresis, the band that is decreased in nephrotic syndrome is
Answer
(A)
Albumin
28
In multiple myeloma which of the following plasma protein level is increased?
Answer
(D)
Y-globulin
29
In liver cirrhosis, the A/G ratio:
Answer
(B)
decreases
30
The normal range of total plasma protein is:
Answer
(B)
6 to 8 g%
31
The plasma protein used to transport copper is:
Answer
(A)
Ceruloplasmin
32
Which of the following is an acute phase reactant?
Answer
(D)
Both B and C
33
Which immunoglobulin can cross the placenta?
Answer
(A)
IgG
34
Which of the following is the major transport protein for copper?
Answer
(B)
Ceruloplasmin
35
Which protein prevents the loss of iron in urine?
Answer
(C)
Transferrin
36
The function of haptoglobin is to:
Answer
(A)
Bind free hemoglobin
37
In which condition is the concentration of serum albumin decreased?
Answer
(D)
All of the above
38
Which immunoglobulin is a dimer?
Answer
(B)
IgA
39
Which protein transports iron?
Answer
(D)
Transferrin
40
Emphysema is due to inhibition of:
Answer
(D)
a1-antitrypsin
41
What is the cause of Wilson's disease?
Answer
(A)
Deficiency in Ceruloplasmin
42
Which of the following is a copper-containing protein?
Answer
(A)
Ceruloplasmin
43
The normal value of plasma protein are:
Answer
A
B
C
D
44
The function of albumin is
Answer
A
B
C
D
45
Which of the following is NOT a function of immunoglobulins (Ig)?
Answer
(D)
Cause blood clotting
46
Which of the following is an example of an acute phase protein?
Answer
(B)
Ceruloplasmin
47
What condition is associated with decreased levels of plasma albumin?
Answer
(C)
Malnutrition
48
Which protein is involved in iron transport and storage?
Answer
(A)
Transferrin
49
Which of the following is a function of immunoglobulins?
Answer
A
B
C
50
Which immunoglobulin class is the only one that crosses the placenta?
Answer
(A)
IgG