MCB 100 Exam 3 Questions With Complete Solutions
___ immunological response brought about by antibody
production Correct Answers humoral immunity
___ includes cilia, mucous membranes, dendritic cells Correct
Answers innate immunity
____ immunological response that kills infected host cells
Correct Answers cellular immunity
____ is making a detailed investigation of data collected
concerning a disease Correct Answers Analytical epidemiology
____ produce and secrete antibodies Correct Answers plasma
cells
____ use BCRs to recognize epitope. first step in clonal
selection Correct Answers immature B cells
_____ are protein molecules released by host cells that inhibit
the spread of viral infections Correct Answers interferons
_____ differentiated B cells that are stored in lymph nodes to
provide protection against future infections by the same
pathogen Correct Answers memory cells
_____ is the Design and conduct a test of a hypothesis about a
disease. Correct Answers experimental epidemiology
,_____ is the most common and longest lasting class of antibody
in blood Correct Answers igG
_____ kills infected host cells Correct Answers cytotoxic t cells
_____ lymphocytes that activate B cells and CTLs Correct
Answers the cells
_____ phagocytes that engulf anything foreign eventually
display epitope to helper T cells using MCH I or II Correct
Answers dendritic cells
______ is the process in which pathogens are coated with
antibodies or complement proteins to increase the likelihood of
phagocytosis Correct Answers opsonization
______ Observe and collect data concerning a disease. Correct
Answers descriptive epidemiology
A laboratory scientist is checking a patient's blood type. To do
this, he combines antibodies against certain blood proteins, such
as protein A and protein B. If the proteins are present on the
blood cells, the blood will clump. If he wants to use the most
common class of antibodies, he will use Correct Answers IgE
A major difference between exotoxins and endotoxins is that
endotoxins are _____. Correct Answers physically part of the
bacterial structure
,A patient who has been hospitalized with uncontrolled muscle
spasms has probably been infected with bacteria that secrete a(n)
Correct Answers neurotoxin.
A person who attended a picnic early in the day develops a very
high fever and is unresponsive by the evening. This person most
likely has been exposed to a(n) Correct Answers superantigen.
A pregnant woman asks you how her unborn child can guard
against "germs." You explain that she is making antibodies that
cross the placenta to provide protection. What type of antibodies
do this? Correct Answers IgG
A response that is uniquely directed against pathogenic
Bordetella pertussis would involve what component? Correct
Answers Antibodies
a virus with a few antigens on its surface should be bound ____
by antibodies specific to that antigen as compared to a virus with
many antigens on its surface Correct Answers less tightly
According to the animation, antibodies directly interact with
which innate defenses? Correct Answers Phagocytosis and the
complement system
According to the animation, B cells interact directly with
Correct Answers helper T cells.
Activation of B lymphocytes produces (antibody-mediated /cell-
mediated/innate) immune responses. Correct Answers antibody-
mediated
, Acute and chronic inflammations differ in that acute
inflammation _____. Correct Answers develops quickly, ends
quickly, and is typically beneficial
An antigen that is potent enough to activate a B cell on its own
is known as Correct Answers T-independent antigens.
An exotoxin that has the ability to kill or damage host cells is
referred to as a(n) Correct Answers cytotoxin.
antigen processing and presentation is..... Correct Answers a
way for a cell to give information about its activities
Arrange the following statements in the correct order to describe
how an antibody response is generated. Correct Answers
dendritic cells process antigens
dendritic cells present antigens on their surface
t helper cells recognize MHCII/antigen complexes on dendritic
cells
stimulated by IL-4 T helper cells differentiate into Th2 cells
B cels are activated after interacting with th2 cells
B cells differentiate into memory cells and plasma cells
Bacterial capsules work by _____. Correct Answers protecting
the bacterium from engulfment
___ immunological response brought about by antibody
production Correct Answers humoral immunity
___ includes cilia, mucous membranes, dendritic cells Correct
Answers innate immunity
____ immunological response that kills infected host cells
Correct Answers cellular immunity
____ is making a detailed investigation of data collected
concerning a disease Correct Answers Analytical epidemiology
____ produce and secrete antibodies Correct Answers plasma
cells
____ use BCRs to recognize epitope. first step in clonal
selection Correct Answers immature B cells
_____ are protein molecules released by host cells that inhibit
the spread of viral infections Correct Answers interferons
_____ differentiated B cells that are stored in lymph nodes to
provide protection against future infections by the same
pathogen Correct Answers memory cells
_____ is the Design and conduct a test of a hypothesis about a
disease. Correct Answers experimental epidemiology
,_____ is the most common and longest lasting class of antibody
in blood Correct Answers igG
_____ kills infected host cells Correct Answers cytotoxic t cells
_____ lymphocytes that activate B cells and CTLs Correct
Answers the cells
_____ phagocytes that engulf anything foreign eventually
display epitope to helper T cells using MCH I or II Correct
Answers dendritic cells
______ is the process in which pathogens are coated with
antibodies or complement proteins to increase the likelihood of
phagocytosis Correct Answers opsonization
______ Observe and collect data concerning a disease. Correct
Answers descriptive epidemiology
A laboratory scientist is checking a patient's blood type. To do
this, he combines antibodies against certain blood proteins, such
as protein A and protein B. If the proteins are present on the
blood cells, the blood will clump. If he wants to use the most
common class of antibodies, he will use Correct Answers IgE
A major difference between exotoxins and endotoxins is that
endotoxins are _____. Correct Answers physically part of the
bacterial structure
,A patient who has been hospitalized with uncontrolled muscle
spasms has probably been infected with bacteria that secrete a(n)
Correct Answers neurotoxin.
A person who attended a picnic early in the day develops a very
high fever and is unresponsive by the evening. This person most
likely has been exposed to a(n) Correct Answers superantigen.
A pregnant woman asks you how her unborn child can guard
against "germs." You explain that she is making antibodies that
cross the placenta to provide protection. What type of antibodies
do this? Correct Answers IgG
A response that is uniquely directed against pathogenic
Bordetella pertussis would involve what component? Correct
Answers Antibodies
a virus with a few antigens on its surface should be bound ____
by antibodies specific to that antigen as compared to a virus with
many antigens on its surface Correct Answers less tightly
According to the animation, antibodies directly interact with
which innate defenses? Correct Answers Phagocytosis and the
complement system
According to the animation, B cells interact directly with
Correct Answers helper T cells.
Activation of B lymphocytes produces (antibody-mediated /cell-
mediated/innate) immune responses. Correct Answers antibody-
mediated
, Acute and chronic inflammations differ in that acute
inflammation _____. Correct Answers develops quickly, ends
quickly, and is typically beneficial
An antigen that is potent enough to activate a B cell on its own
is known as Correct Answers T-independent antigens.
An exotoxin that has the ability to kill or damage host cells is
referred to as a(n) Correct Answers cytotoxin.
antigen processing and presentation is..... Correct Answers a
way for a cell to give information about its activities
Arrange the following statements in the correct order to describe
how an antibody response is generated. Correct Answers
dendritic cells process antigens
dendritic cells present antigens on their surface
t helper cells recognize MHCII/antigen complexes on dendritic
cells
stimulated by IL-4 T helper cells differentiate into Th2 cells
B cels are activated after interacting with th2 cells
B cells differentiate into memory cells and plasma cells
Bacterial capsules work by _____. Correct Answers protecting
the bacterium from engulfment
