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BIOL 204 Lecture Exam 2: St Cloud State University Questions and Answers (100% Pass)
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BIOL 204 Lecture Exam 2: St Cloud State University Questions and Answers (100% Pass)
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©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AMBIOL 204 Lecture Exam 2: St Cloud State University
Questions and Answers (100% Pass)
Viral infections can usually be treated with antibiotics. True or false? - ✔️✔️False
Antibody functions include all of the following except:
A. targeting foreign cells so that complement proteins can cause cellular lysis
B. linking soluble antigens together so that they fall out of solution
C. binding and inactivating chemical toxins released by bacteria or other microorganisms
D. cross-linking cell-bound antigens on red blood cells when blood types are properly
matched - ✔️✔️D. cross-linking cell-bound antigens on red blood cells when blood types are
properly matched
Viral-infected human cells often send out special proteins that serve as an early warning
system to uninfected cells. In response, the uninfected cells develop antiviral proteins that
protect them. The early warning proteins sent out by viral-infected cells are:
A. complement
B. antigens
C. interferon
D. antibodies - ✔️✔️C. interferon
Cytotoxic T cells:
A. self destruct once the antigen has been neutralized
B. function mainly to stimulate the proliferation of other T cell populations
C. are the only T cells that can directly attack and kill other cells
D. require the double recognition signal of MHC I plus MHC II on the target cell in order to
function - ✔️✔️C. are the only T cells that can directly attack and kill other cells
Passive immunity differs from active immunity in that passive immunity:
A. results in the production of memory cells
B. causes long-term immunity
C. results in the production of antibodies
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,©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
D. involves the administration of preformed antibodies - ✔️✔️D. involves the administration
of preformed antibodies
Innate immune system defenses include:
A. plasma cells
B. T cells
C. phagocytosis
D. B cells - ✔️✔️C. phagocytosis
Which of the following is characteristic of T lymphocytes but not B lymphocytes?
A. cell-mediated immunity
B. production of antibodies
C. production of plasma cells
D. maturation in the red bone marrow - ✔️✔️A. cell-mediated immunity
Select the correct statement about complement:
A. complement can be activated through three pathways: classical, secondary, and alternate
B. complement proteins C1 through C9 act exclusively in the classical pathway
C. the membrane attack complex consists of complement proteins C3a through C5
D. a specific immune mechanism is often involved in directing complement to its target -
✔️✔️D. a specific immune mechanism is often involved in directing complement to its target
Which of the following is associated with the specific defenses of the body?
A. phagocytosis
B. interferons
C. cell-mediated immunity
D. the complement system - ✔️✔️C. cell-mediated immunity
Select the correct statement about T cells:
A. B cell function is much more complex than T cell function
B. T suppressor cells have the CD8 antigen
C. There are four major populations of T cells based on function
D. CD4 cells are cytotoxic in function - ✔️✔️B. T suppressor cells have the CD8 antigen
The process whereby neutrophils and other white blood are attracted to an inflammatory site
is called:
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, ©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
A. margination
B. chemotaxis
C. diapedesis
D. phagocytosis - ✔️✔️B. chemotaxis
The primary immune response:
A. is another name for immunological memory
B. occurs more rapidly and is stronger than the secondary response
C. occurs when memory cells are stimulated
D. has a lag period while B cells proliferate and differentiate into plasma cells - ✔️✔️D. has a
lag period while B cells proliferate and differentiate into plasma cells
Which of the following is not an autoimmune disease?
A. Type II diabetes
B. systemic lupus erythematosus
C. multiple sclerosis
D. glomerulonephritis - ✔️✔️A. Type II diabetes
The inflammatory response:
A. occurs in response to interferons
B. is initiated by the activation of complement proteins
C. is characterized by redness, warmth, swelling, and pain in an injured area of the body
D. occurs when plasma cells produce antibodies - ✔️✔️C. is characterized by redness, warmth,
swelling, and pain in an injured area of the body
Which of the following is not a function of the inflammatory response?
A. prevents the spread of the injurious agent to nearby tissue
B. set the stage for repair processes
C. disposes of cellular debris and pathogens
D. replaces injured tissues with connective tissue - ✔️✔️D. replaces injured tissues with
connective tissue
Which of the following is associated with passive immunity?
A. infusion of weakened viruses
B. booster shot of vaccine
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