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Flashcards in Intro to Immunology Deck (31)
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1
Q

What are the living agents that can replicate in a host? (4)

A

Viruses, Bacteria, Fungi, and Parasites (protozoa and Helminths)

2
Q

T/F: The innate immune system is specific.

A

False

3
Q

T/F: The adaptive immune system is specific.

A

True

4
Q

What defensive antimicrobial enzyme is known to digest bacterial cell walls?

A

Lysozyme/defensins

5
Q

What is the function of mucous?

A

Prevent attachment of organisms.

6
Q

Which part of the Innate Immune system is known as “professional killers?”

A

Neutrophils

7
Q

Which cells are know to capture antigens in one location and present in another?

A

Dendritic cells

8
Q

T/F: Inflammation is an adaptive immune system cell response.

A

False; Inflammation is an innate immune cell response.

9
Q

T/F: antibodies kill pathogens.

A

False, Antibodies mark (opsonize) a target for destruction.

10
Q

What are B cell receptors?

A

Antibodies

11
Q

What is the basis for immunization?

A

memory

12
Q

What are the three types of T cells?

A

helper, killer and regulatory T cells

13
Q

What stimulates proliferation of Tcells and B cells?

A

cognant antigen

14
Q

What is required by T cells for activation?

A

Antigen presentation

15
Q

What are the three main antigen presenting cells?

A

dendritic cells, macrophages, and B cells

16
Q

What does MHC stand for?

A

Major histocompatibility complex

17
Q

What hormone-like messengers are produced especially by T helper cells and communicate with both immune and non immune cells?

A

Cytokines

18
Q

interleukins (IL-1, IL-2, etc), interferon y, and TNF (tumor necrosis factor) are examples of what?

A

Cytokines

19
Q

What type of proteins function as billboards to display chopped up peptides?

A

MHC (major histocompatibilty complex) proteins

20
Q

Which type of MHC proteins are found on virtually all cells of the body?

A

Class I

21
Q

Which type of MHC proteins display what cells are producing inside for killer T cells to scan?

A

Class I

22
Q

Which type of MHC proteins are found typically on APC?

A

Class II

23
Q

Which type of MHC proteins display what has been killed at the battle site in order to inform T helper cells about the battle?

A

Class II

24
Q

Which immune system is faster, determines which weapons to be used and has a hard wired memory?

A

Innate

25
Q

What are the four types of Granulocytes?

A

Neutrophils, Basophils, Mast cells, and eosinophils

26
Q

Which granulocyte is by far the most common of circulating white blood cells?

A

Neutrophils

27
Q

What are the different types of Monocytes?

A

Macrophages and Dendritic cells

28
Q

Which type of monocyte can also arise from lymphoid lineage as well as myeloid lineage?

A

Dendritic cells

29
Q

Which is the more abundant WBC: Granulocytes or monocytes?

A

Granulocytes

30
Q

what are the three types of WBCs of lymphoid lineage?

A

B cells, T cells, and NK cells

31
Q

Which type of lymphoid WBCs are adaptive?

A

B cells and T cells; NK cells are innate