CHT CHS CERTIFICATION EXAM WITH GUARANTEED ACCURATE ANSWERS
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CHT CHS Certification
Institution
CHT CHS Certification
CHT CHS CERTIFICATION EXAM WITH GUARANTEED ACCURATE ANSWERS
Which of the following is not a secondary lymphoid organ?
a. Spleen
b. Thymus
c. Lymph nodes
d. Liver
e. Tonsils - ACCURATE ANSWERb. Thymus
Which of the following is not a component of the reticuloendothelial cell system?...
CHT CHS CERTIFICATION EXAM WITH
GUARANTEED ACCURATE ANSWERS
Which of the following is not a secondary lymphoid organ?
a. Spleen
b. Thymus
c. Lymph nodes
d. Liver
e. Tonsils - ACCURATE ANSWER✅✅b. Thymus
Which of the following is not a component of the reticuloendothelial cell system?
a. Microglial cells
b. Kupffer cells
c. Langerhans cells
d. Neutrophils
e. Monocytes - ACCURATE ANSWER✅✅d. Neutrophils
Opsonization is a term to describe what?
a. Lysis of bacteria
b. Coating of bacteria
c. Ingestion of bacteria
d. Killing of bacteria
,e. Phagocytosis - ACCURATE ANSWER✅✅b. Coating of bacteria
Which of the following does not describe a role of antibodies in host defense?
a. They serve as a bridge between bacteria and phagocytes
b. They lyse bacteria
c. They enhance complement binding to the bacterial cell wall
d. They prevent viruses from infecting cells
e. They bind pathogens in mucus secretions - ACCURATE ANSWER✅✅b.
They lyse bacteria
MHC Class I and II molecules differ in all of the following except
a. Types of T cells they stimulate
b. Types of cells they are expressed on
c. Which chromosome they are located on
d. Types of antigens they present
e. Whether or not they have foreign peptides in the antigen-binding groove -
ACCURATE ANSWER✅✅c. Which chromosome they are located on
The primary role of the proteasome in antigen presentation is to
a. Prevent premature folding of MHC class I molecules
b. Process cytoplasmic proteins
c. Degrade recycled MHC molecules
d. Bind HLA-DM in the endosome
,e. Chaperone peptides to the cell surface - ACCURATE ANSWER✅✅b. Process
cytoplasmic proteins
Peptides that bind to MHC class I molecules differ from peptides that bind to MHC
class II molecules in all except which of the following ways?
a. They are shorter
b. They were processed by different proteases
c. They anchor in the middle instead of the end of the MHC molecule
d. They interact with different subsets of T cells - ACCURATE ANSWER✅✅c.
They anchor in the middle instead of the end of the MHC molecule
HLA-DM is primarily involved in the
a. Activation of cytotoxic T cells
b. Loading antigen onto HLA-DR molecules
c. Preventing HLA-A molecules from folding prior to antigen binding
d. Rejection of islet grafts
e. Induction of diabetes mellitus - ACCURATE ANSWER✅✅b. Loading antigen
onto HLA-DR molecules
The antigen-binding site of an antibody is comprised of which of the following?
a. The variable region of the light and heavy chains
b. The variable region of the light chain only
c. The entire light chain
d. The entire heavy chain
, e. The Fc portion of the immunoglobulin molecule - ACCURATE
ANSWER✅✅a. The variable region of the light and heavy chains
The immunoglobulin that binds the most complement is
a. IgA
b. IgD
c. IgM
d. IgG2
e. IgE - ACCURATE ANSWER✅✅c. IgM
The immunoglobulin responsible for activating mast cells in an allergic response is
a. IgA
b. IgD
c. IgM
d. IgG
e. IgE - ACCURATE ANSWER✅✅e. IgE
The molecular interaction between an antibody and its corresponding antigen is
mediated by all except which of the following?
a. Hydrogen bonds
b. Hydrophobic interactions
c. Covalent bonds
d. Electrostatic interactions
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