Question 1
/5
Which cells are primary targets for HIV?
A
CD4+ Th cells only
B
CD4+ Th cells, macrophages, and dendritic cells
C
CD8-positive cytotoxic T (Tc) cells and plasma cells
D
CD8-positive Tc cells only
Question 2
/5
A patient is admitted to the hospital with multiple myeloma (MM). Which diagnostic test should the
healthcare professional assess as the priority?
A
Serum potassium level
B
Serum calcium level
C
Bone scan or limb x-rays
D
Bone marrow biopsy
,Question 3
/5
How many months does it take for the newborn to be sufficiently protected by antibodies produced by
its own B cells?
A
1 to 2
B
4 to 5
C
5 to 8
D
10 to 12
Question 4
/5
During an IgE-mediated hypersensitivity reaction, what causes bronchospasm?
A
Bronchial edema caused by the chemotactic factor of anaphylaxis
B
Bronchial edema caused by binding of the cytotropic antibody
C
Smooth muscle contraction caused by histamine bound to H1 receptors
D
Smooth muscle contraction caused by histamine bound to H2 receptors
,Question 5
/5
Which statement is true regarding X-linked recessive conditions?
A
Such diseases use males as phenotypical carriers.
B
These conditions are passed from affected father to all of his female children.
C
25% of an affected individual’s grandsons will be affected.
D
Cystic fibrosis is an example of such a condition.
Question 6
/5
Where are antibodies produced?
A
Helper T lymphocytes
B
Thymus gland
C
Plasma cells
D
Bone marrow
, Question 7
/5
Which statement is true concerning IgM?
A
IgM is the first antibody produced during the initial response to an antigen.
B
IgM mediates many common allergic responses.
C
IgM is the most abundant class of immunoglobulins.
D
IgM is capable of crossing the human placenta.
Question 8
What is the vascular effect of histamine released from mast cells?
A
Platelet adhesion
B
Initiation of the clotting cascade
C
Vasodilation
D
Increased endothelial adhesiveness
/5
Which cells are primary targets for HIV?
A
CD4+ Th cells only
B
CD4+ Th cells, macrophages, and dendritic cells
C
CD8-positive cytotoxic T (Tc) cells and plasma cells
D
CD8-positive Tc cells only
Question 2
/5
A patient is admitted to the hospital with multiple myeloma (MM). Which diagnostic test should the
healthcare professional assess as the priority?
A
Serum potassium level
B
Serum calcium level
C
Bone scan or limb x-rays
D
Bone marrow biopsy
,Question 3
/5
How many months does it take for the newborn to be sufficiently protected by antibodies produced by
its own B cells?
A
1 to 2
B
4 to 5
C
5 to 8
D
10 to 12
Question 4
/5
During an IgE-mediated hypersensitivity reaction, what causes bronchospasm?
A
Bronchial edema caused by the chemotactic factor of anaphylaxis
B
Bronchial edema caused by binding of the cytotropic antibody
C
Smooth muscle contraction caused by histamine bound to H1 receptors
D
Smooth muscle contraction caused by histamine bound to H2 receptors
,Question 5
/5
Which statement is true regarding X-linked recessive conditions?
A
Such diseases use males as phenotypical carriers.
B
These conditions are passed from affected father to all of his female children.
C
25% of an affected individual’s grandsons will be affected.
D
Cystic fibrosis is an example of such a condition.
Question 6
/5
Where are antibodies produced?
A
Helper T lymphocytes
B
Thymus gland
C
Plasma cells
D
Bone marrow
, Question 7
/5
Which statement is true concerning IgM?
A
IgM is the first antibody produced during the initial response to an antigen.
B
IgM mediates many common allergic responses.
C
IgM is the most abundant class of immunoglobulins.
D
IgM is capable of crossing the human placenta.
Question 8
What is the vascular effect of histamine released from mast cells?
A
Platelet adhesion
B
Initiation of the clotting cascade
C
Vasodilation
D
Increased endothelial adhesiveness
