1
NEW BIO256 EXAM 4 PRACTICE EXAM WITH
Q&A NEWLY MOFIFIED TESTED AND
APPROVED 2025/2026 LATEST UPDATE
The only immunoglobulin to exist as a pentamer (containing 5 subunits) is A.
IgG.
B. IgA.
C. IgM.
D. IgD. -- ANSWER--C
________ ultimately determine(s) what specific foreign substances our adaptive immune
system will be able to recognize and resist.
A. Enzymes present at the time of the invasion
B. The type of antigen
C. Memory cell production
D. Our genes -- ANSWER--D
The primary adaptive immune response A. is
another name for immunological memory.
B. occurs when memory cells are stimulated.
C. has a lag period while B cells proliferate and differentiate into plasma cells.
Page 1 of 43
, 2
D. occurs more rapidly and is stronger than the secondary response. -- ANSWER--C
Which involves humoral immunity?
A. neutrophils doing phagocytosis
B. plasma cells making antibodies
C. complement fixation
D. C-reactive protein -- ANSWER--B
Cytotoxic T cells are also known as ___ and they ___.
A. CD4 cells, are helper T cells that stimulate the immune response.
B. CD8 cells, destroy cells harboring foreign antigens.
C. CD8 cells, are memory T cells that stimulate the immune response.
D. CD4 cells, are suppressor T cells that inhibit the immune response. -- ANSWER--B
Phagocyte mobilization involves
A. eosinophils as the most active phagocyte.
B. the extension of pseudopods for encompassing bacteria.
C. mainly neutrophil and macrophage migration into inflamed areas.
D. the digestion of microbes inside phagolysosomes. -- ANSWER--C
Page 2 of 43
, 3
The system specifically recognizing foreign molecules and acting to immobilize, neutralize,
or destroy them is the
A. innate immune system.
B. adaptive immune system.
C. integumentary system.
D. lymphatic system. -- ANSWER--B
Which of the following is NOT a function of the inflammatory response?
A. sets the stage for repair processes
B. prevents the spread of the injurious agent to nearby tissue
C. disposes of cellular debris and pathogens
D. replaces injured tissues with connective tissue -- ANSWER--D
Interferons
A. act by increasing the rate of cell division.
B. are virus-specific, so that an interferon produced against one virus could not protect cells
against another virus.
C. are routinely used in nasal sprays for the common cold.
D. interfere with viral replication within cells. -- ANSWER--D
Which is a beneficial result of fever?
Page 3 of 43
, 4
A. denatured enzymes
B. sequestering of liver iron and zinc
C. slower metabolic rate
D. reduced thymopoietin release -- ANSWER--B
Select the correct statement about antigens.
A. One antigen may have many different antigenic determinants and may therefore cause the
formation of more than one antibody.
B. "Self-antigens" is another name for incomplete antigens.
C. The largest type of antigen is called a hapten.
D. Only small antigens exhibit reactivity. -- ANSWER--A
Natural killer cells
A. are also called dendritic cells.
B. are cells of the specific immune system.
C. are a type of phagocyte.
D. can kill cancer cells before the immune system is activated. -- ANSWER--D
Which causes mediators of the immune response to be released?
A. tissue damage
Page 4 of 43
NEW BIO256 EXAM 4 PRACTICE EXAM WITH
Q&A NEWLY MOFIFIED TESTED AND
APPROVED 2025/2026 LATEST UPDATE
The only immunoglobulin to exist as a pentamer (containing 5 subunits) is A.
IgG.
B. IgA.
C. IgM.
D. IgD. -- ANSWER--C
________ ultimately determine(s) what specific foreign substances our adaptive immune
system will be able to recognize and resist.
A. Enzymes present at the time of the invasion
B. The type of antigen
C. Memory cell production
D. Our genes -- ANSWER--D
The primary adaptive immune response A. is
another name for immunological memory.
B. occurs when memory cells are stimulated.
C. has a lag period while B cells proliferate and differentiate into plasma cells.
Page 1 of 43
, 2
D. occurs more rapidly and is stronger than the secondary response. -- ANSWER--C
Which involves humoral immunity?
A. neutrophils doing phagocytosis
B. plasma cells making antibodies
C. complement fixation
D. C-reactive protein -- ANSWER--B
Cytotoxic T cells are also known as ___ and they ___.
A. CD4 cells, are helper T cells that stimulate the immune response.
B. CD8 cells, destroy cells harboring foreign antigens.
C. CD8 cells, are memory T cells that stimulate the immune response.
D. CD4 cells, are suppressor T cells that inhibit the immune response. -- ANSWER--B
Phagocyte mobilization involves
A. eosinophils as the most active phagocyte.
B. the extension of pseudopods for encompassing bacteria.
C. mainly neutrophil and macrophage migration into inflamed areas.
D. the digestion of microbes inside phagolysosomes. -- ANSWER--C
Page 2 of 43
, 3
The system specifically recognizing foreign molecules and acting to immobilize, neutralize,
or destroy them is the
A. innate immune system.
B. adaptive immune system.
C. integumentary system.
D. lymphatic system. -- ANSWER--B
Which of the following is NOT a function of the inflammatory response?
A. sets the stage for repair processes
B. prevents the spread of the injurious agent to nearby tissue
C. disposes of cellular debris and pathogens
D. replaces injured tissues with connective tissue -- ANSWER--D
Interferons
A. act by increasing the rate of cell division.
B. are virus-specific, so that an interferon produced against one virus could not protect cells
against another virus.
C. are routinely used in nasal sprays for the common cold.
D. interfere with viral replication within cells. -- ANSWER--D
Which is a beneficial result of fever?
Page 3 of 43
, 4
A. denatured enzymes
B. sequestering of liver iron and zinc
C. slower metabolic rate
D. reduced thymopoietin release -- ANSWER--B
Select the correct statement about antigens.
A. One antigen may have many different antigenic determinants and may therefore cause the
formation of more than one antibody.
B. "Self-antigens" is another name for incomplete antigens.
C. The largest type of antigen is called a hapten.
D. Only small antigens exhibit reactivity. -- ANSWER--A
Natural killer cells
A. are also called dendritic cells.
B. are cells of the specific immune system.
C. are a type of phagocyte.
D. can kill cancer cells before the immune system is activated. -- ANSWER--D
Which causes mediators of the immune response to be released?
A. tissue damage
Page 4 of 43
