Intro to the Immune System 1 Flashcards
Cytokines bind to
S.O 1
Characterize the functions of the cells, barriers, cytokines, receptors, and other effector proteins of innate immunity.
high-affinity receptors on target cells
Found in Chapter 2
Toll-like Receptors are expressed on
S.O 1
Characterize the functions of the cells, barriers, cytokines, receptors, and other effector proteins of innate immunity.
expressed on plasma membranes,
(Ch. 2)
Toll-like Receptors generate signals that ..
SO 1
Characterize the functions of the cells, barriers, cytokines, receptors, and other effector proteins of innate immunity.
generate signals that help activate transcription factors that stimulate expression of cytokines and inflammatory and/or antiviral responses
CHAPTER 2
Epithelial cells provide
SO 1
Characterize the functions of the cells, barriers, cytokines, receptors, and other effector proteins of innate immunity.
physical and chemical barriers against infection
(Ch. 2)
Defensins are
SO 1
Characterize the functions of the cells, barriers, cytokines, receptors, and other effector proteins of innate immunity.
proteins rich in cysteine, lysine, and arginine
CHAPTER 2
Defensin and cathelicidins are
SO 1
Characterize the functions of the cells, barriers, cytokines, receptors, and other effector proteins of innate immunity.
epithelial antimicrobial peptides that are expressed in the intestinal epithelium and kill microorganisms by membrane disruption
chapter 2
Very Important
Microbes come into contact with
SO 2
Compare the mechanisms by which microbes, microbial molecules, and host molecules activate cellular receptors of innate immunity.
epithelia by external physical contact, ingestion, inhalation, and sex
chapter 2
Portal entry are lined by
SO 2
Compare the mechanisms by which microbes, microbial molecules, and host molecules activate cellular receptors of innate immunity.
continuous epithelia that form a mechanical barrier against microbes
chapter 2
Antimicrobial peptides
SO 2
Compare the mechanisms by which microbes, microbial molecules, and host molecules activate cellular receptors of innate immunity.
provide a chemical barrier against infection
Cytosolic DNA sensors:
SO 2
Compare the mechanisms by which microbes, microbial molecules, and host molecules activate cellular receptors of innate immunity.
detect dsDNA
Chapter 2
Innate immunity are ______ than the adaptive immunity
SO 3
Relate the functional components of the innate arm of the immune system to the activation of the adaptive arm. Chapter 1
phylogenetically older than ( present first)
Names of Innate immunity and where is it present
SO 3
Relate the functional components of the innate arm of the immune system to the activation of the adaptive arm. Chapter 1
natural/ native immunity , always present in healthy people
chapter 1
Innate cells are
SO 3
Relate the functional components of the innate arm of the immune system to the activation of the adaptive arm. Chapter 1
epithelial barriers, mast cells, phagocytes, dendritic cells, complement, NK cells & ILCs
chapter 1
Innate immunity are prepared
SO 3
Relate the functional components of the innate arm of the immune system to the activation of the adaptive arm. Chapter 1
to block the entry if microbes and to rapidly eliminate microbes that succed to enter host tissue
chapter 1
Innate immunity provide defense in
SO 3
Relate the functional components of the innate arm of the immune system to the activation of the adaptive arm. Chapter 1
in the critical early window after infection
zero to 12 hours
Innate immune responses are required
SO 3
Relate the functional components of the innate arm of the immune system to the activation of the adaptive arm. Chapter 1
to initate adaptive immune responses
Chapter 1
Innate immunity first line of defense comes from
SO 3
Relate the functional components of the innate arm of the immune system to the activation of the adaptive arm. Chapter 1
the epithelial barrier of the skin, mucosal tissues, and antimicrobial work together to block the entry of microbes
Inflammation is a tissue reaction that
SO 4
Outline the role of inflammation in immune cell recruitment to sites of infection and tissue damage.
delivers mediators of host defense—circulating cells and proteins—to sites of infection and tissue damage
Chapter 2 : inflammation section
Process of inflammation consists of
SO 4
Outline the role of inflammation in immune cell recruitment to sites of infection and tissue damage.
recruitment of cells and leakage of plasma proteins through blood vessels and activation of these cells and proteins in the extravascular tissues.
Chapter 2 : inflammation section
Cells + proteins =
SO 4
Outline the role of inflammation in immune cell recruitment to sites of infection and tissue damage.
kill mainly extracellular microbes and eliminate tissue damage
Chapter 2 : inflammation section
what type of cells? what does it do?
Initial release of histamine, TNF, prostaglandins and other mediators by
SO 4
Outline the role of inflammation in immune cell recruitment to sites of infection and tissue damage.
mast cells and macrophages causes and increase in local blood flow and exudation of plasma proteins
Chapter 2 : inflammation section
Signs on the skin…
characteristic of acute inflammation
SO 4
Outline the role of inflammation in immune cell recruitment to sites of infection and tissue damage.
Causes redness, warmth, and swelling
Chapter 2 : inflammation section
what type of cells?
Followed by local accumulation in tissues of phagocytes mainly ….
SO 4
Outline the role of inflammation in immune cell recruitment to sites of infection and tissue damage.
neutrophils and blood monocyte-derived macrophages in response to cytokines
Chapter 2 : inflammation section
what to phagocytes engulf? why does it do that?
Activated phagocytes engulf
SO 4
Outline the role of inflammation in immune cell recruitment to sites of infection and tissue damage.
microbes and necrotic material to destroy potentially harmful substances
Chapter 2 : inflammation section
Innate immune response serves
SO 5
Describe the role and means of activation of innate immunity in host defense. (Natural/native immunity)
by alerting the adaptive immune system that an effective immune response is needed.
Chapter 2
Innate immunity in host defense provides immediate protection against
SO 5
Describe the role and means of activation of innate immunity in host defense. (Natural/native immunity)
microbial invasion - recognized structures shared by classes of microbes
Chapter 2
Innate immunity in host defense are prepared to
SO 5
Describe the role and means of activation of innate immunity in host defense. (Natural/native immunity)
block the entry of microbes and to rapidly eliminate microbes that do not succeed in entering host tissues
Chapter 1
Think where does the microbe go first?
First line of defense is
SO 5
Describe the role and means of activation of innate immunity in host defense. (Natural/native immunity)
provided by epithelial barriers of the skin and mucosal tissues as well as cells and natural antibiotics present in epithelia
All block entry of microbes
Second line of defense:
SO 5
Describe the role and means of activation of innate immunity in host defense. (Natural/native immunity)
phagocytes, innate lymphoid cells, plasma proteins (complement system)
the connection to adaptive immune
Innate immunity in host defense is
Describe the role and means of activation of innate immunity in host defense. (Natural/native immunity)
required to initiate adaptive immune responses against the infectious agents
ch 2
Adaptive immunity in host defense develops
SO 6
Describe the role and means of activation of adaptive immunity in host defense. (Specific/acquired immunity)
more slowly
chapter 1
adaptive immunity in host defense
Provides more specialized defense in
SO 6
Describe the role and means of activation of adaptive immunity in host defense. (Specific/acquired immunity)
lymphocytes with highly diverse and variable receptors for foreign substances
adaptive immunity in host defense products are
- Describe the role and means of activation of adaptive immunity in host defense. (Specific/acquired immunity)
antibodies
ch 1
adaptive immunity in host defense requires proliferation and differentiation of
SO 6
Describe the role and means of activation of adaptive immunity in host defense. (Specific/acquired immunity)
lymphocytes in response to microbes before it can provide effective defense
CH 1
adaptive immunity in host defense
Express receptors that specifically recognize a
SO 6
Describe the role and means of activation of adaptive immunity in host defense. (Specific/acquired immunity)
much wider variety of molecules produced by microbes as well as noninfectious molecules
what is an Antigen?
SO 6
Describe the role and means of activation of adaptive immunity in host defense. (Specific/acquired immunity)
any molecule that is specifically recognized by lymphocytes or antibodies
ch 1
Dendritic cells capture
SO 6
Describe the role and means of activation of adaptive immunity in host defense. (Specific/acquired immunity)
protein antigens of microbes that cross epithelial barriers and transport these antigens to regional lymph nodes
chapter 1
Display fragments of proteins for
SO 6
Describe the role and means of activation of adaptive immunity in host defense. (Specific/acquired immunity)
recognition by T lymphocytes
Chapter 1