VTHT 2223 Path 1 Unit 4 Test With
Correct Solution
Which immune system is divided into two components and is responsive to foreign
bodies? - ANSWER Adaptive immune system
Which two materials are used to perform a minor cross-match? - ANSWER Donor serum
and recipient cells
What type of sample should be submitted to use DNA testing to determine gender in a
bird? - ANSWER Blood
Which of the following tests is positive if the antisera and immunoglobulins on the
erythrocytes react, resulting in visible agglutination? - ANSWER Coombs' test
Which test principle involves using a substrate that reacts with antigen to produce light?
- ANSWER ChLIA
What time points are used to evaluate the injection sites in an intradermal allergy test? -
ANSWER 15 and 30 minutes
What type of test is performed to confirm a diagnosis of equine infectious anemia? -
ANSWER cELISA
What is the end result of complement being activated by antibodies? - ANSWER
Antigenic cell lysis
Which of the following can be a protective mechanism of the immune system but can
also cause tissue damage? - ANSWER Inflammation
What is the range of scores given to the injection sites in a transdermal allergy test? -
ANSWER 0 to +4
Which location is used for a tuberculin skin test on a nonhuman primate? - ANSWER
Cervical region
Which type of cell responds fastest to a second exposure of a specific antigen? -
ANSWER Memory B cells
Which of the following could be a reason for a false-negative intradermal skin test
reaction? - ANSWER Glucocorticoids
Which test can be used to distinguish between an active infection and prior exposure to
an antigen? - ANSWER Antibody titers
, Which of the following parameters is used to evaluate injection sites for intradermal skin
testing? - ANSWER Diameter of the wheal
Which reaction grade is recorded for a cross-match result with evidence of large
agglutinates and smaller clumps of cells? - ANSWER 2
Which type of hypersensitivity involves IgE antibodies and results when a second
exposure of the antigen triggers the release of mast cell mediators? - ANSWER Type I
What is the most likely blood type in a Devon Rex cat? - ANSWER B
Which of the following tests uses wells on an agar gel plate and antigens to create a
visible band of precipitation for a serum sample? - ANSWER Immunodiffusion
Which type of immunity results when preformed antibodies are administered to a
patient? - ANSWER Passive immunity
Which of the following produces antibodies? - ANSWER B lymphocytes
Which type of immunity results when antibodies are received from colostrum? -
ANSWER Passive immunity
What process involves neutrophils that destroy bacteria using chemicals in the
cytoplasm of the neutrophils? - ANSWER Phagocytosis
Which antibody molecules mediate allergies, especially environmental allergens? -
ANSWER IgE
What is the recommended sample to be submitted for a DNA test to determine a
pedigree or parentage of a canine patient? - ANSWER Buccal swab
What type of hypersensitivity disorder is glomerulonephritis? - ANSWER Type III
Which two materials are used to perform a major cross-match? - ANSWER Donor cells
and recipient serum
What is usually the result of the antigen-antibody reaction when noncompatible blood is
given to a recipient? - ANSWER Agglutination of RBCs
Which cell type changes to macrophages as it migrates to various tissues and organs
and when it interacts with cytokines? - ANSWER Monocytes
Which immunoassay does not involve a color change to indicate the presence of
antigens? - ANSWER Latex agglutination
Which is the most common circulating immunoglobulin? - ANSWER IgG
What type of hypersensitivity response is indicated by a positive tuberculosis test? -
ANSWER Type IV
Which of the following statements is true? - ANSWER Type A cats have weak anti-B
Correct Solution
Which immune system is divided into two components and is responsive to foreign
bodies? - ANSWER Adaptive immune system
Which two materials are used to perform a minor cross-match? - ANSWER Donor serum
and recipient cells
What type of sample should be submitted to use DNA testing to determine gender in a
bird? - ANSWER Blood
Which of the following tests is positive if the antisera and immunoglobulins on the
erythrocytes react, resulting in visible agglutination? - ANSWER Coombs' test
Which test principle involves using a substrate that reacts with antigen to produce light?
- ANSWER ChLIA
What time points are used to evaluate the injection sites in an intradermal allergy test? -
ANSWER 15 and 30 minutes
What type of test is performed to confirm a diagnosis of equine infectious anemia? -
ANSWER cELISA
What is the end result of complement being activated by antibodies? - ANSWER
Antigenic cell lysis
Which of the following can be a protective mechanism of the immune system but can
also cause tissue damage? - ANSWER Inflammation
What is the range of scores given to the injection sites in a transdermal allergy test? -
ANSWER 0 to +4
Which location is used for a tuberculin skin test on a nonhuman primate? - ANSWER
Cervical region
Which type of cell responds fastest to a second exposure of a specific antigen? -
ANSWER Memory B cells
Which of the following could be a reason for a false-negative intradermal skin test
reaction? - ANSWER Glucocorticoids
Which test can be used to distinguish between an active infection and prior exposure to
an antigen? - ANSWER Antibody titers
, Which of the following parameters is used to evaluate injection sites for intradermal skin
testing? - ANSWER Diameter of the wheal
Which reaction grade is recorded for a cross-match result with evidence of large
agglutinates and smaller clumps of cells? - ANSWER 2
Which type of hypersensitivity involves IgE antibodies and results when a second
exposure of the antigen triggers the release of mast cell mediators? - ANSWER Type I
What is the most likely blood type in a Devon Rex cat? - ANSWER B
Which of the following tests uses wells on an agar gel plate and antigens to create a
visible band of precipitation for a serum sample? - ANSWER Immunodiffusion
Which type of immunity results when preformed antibodies are administered to a
patient? - ANSWER Passive immunity
Which of the following produces antibodies? - ANSWER B lymphocytes
Which type of immunity results when antibodies are received from colostrum? -
ANSWER Passive immunity
What process involves neutrophils that destroy bacteria using chemicals in the
cytoplasm of the neutrophils? - ANSWER Phagocytosis
Which antibody molecules mediate allergies, especially environmental allergens? -
ANSWER IgE
What is the recommended sample to be submitted for a DNA test to determine a
pedigree or parentage of a canine patient? - ANSWER Buccal swab
What type of hypersensitivity disorder is glomerulonephritis? - ANSWER Type III
Which two materials are used to perform a major cross-match? - ANSWER Donor cells
and recipient serum
What is usually the result of the antigen-antibody reaction when noncompatible blood is
given to a recipient? - ANSWER Agglutination of RBCs
Which cell type changes to macrophages as it migrates to various tissues and organs
and when it interacts with cytokines? - ANSWER Monocytes
Which immunoassay does not involve a color change to indicate the presence of
antigens? - ANSWER Latex agglutination
Which is the most common circulating immunoglobulin? - ANSWER IgG
What type of hypersensitivity response is indicated by a positive tuberculosis test? -
ANSWER Type IV
Which of the following statements is true? - ANSWER Type A cats have weak anti-B
