Immune System Flashcards

1
Q

Role of immune system?

A

Defense system. Recovers the system.
Learns to get better.
Detecting foreignism.

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2
Q

What does a goblet cell do?

A

Secrete mucus.

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3
Q

What is a leukocyte?

A

A white blood cell.

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4
Q

Difference between lymphocytes and leukocytes?

A

All leukocytes are lymphocytes but not all lymphocytes are leukocytes.

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5
Q

What is a leukocyte?

A

A specialised cell for the immune system.

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6
Q

Where are stem cells found in the body?

A

In the bone marrow of long bones.

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7
Q

Role of neutrophil?

A

Phagocytosis of variety of microorganisms.

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8
Q

Role of eosinophil?

A

Release enzymes that kill parasites with antibodies on them.

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9
Q

Which immune cell plays a role in the allergic response?

A

Basophils

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10
Q

What is the precursor to macrophages?

A

Monocytes

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11
Q

What does macrophage mean?

A

Big eater

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12
Q

Which cells are a part of the adaptive system?

A

B cells, T cells, NK cells and Dendritic cells.

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13
Q

Why are NK cells different?

A

They do not need activation and can detect cells without a marker.

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14
Q

Dendritic cell?

A

Variety of cell functions

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15
Q

What is the different between innate and adaptive response?

A

Innate is static, immediate and non-specific to a broad set of pathogens. Adaptive produces certain cells to combat pathogen.

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16
Q

What do macrophages do?

A

Breakdown pathogens to give antigens to dendritic cells which activate t cells in the lymph node and drain the debris.

17
Q

Which PAMP causes quick innate response?

A

TLRs

18
Q

When does the adaptive response begin to initiate?

A

96 hours after exposure.

19
Q

What does inflammation do to the body?

A

Causes redness, heat and swelling

20
Q

What is situated in the paracortical area?

A

Mainly T cells

21
Q

What is typically found in the primary lymphoid follicle?

A

Mainly B cells

22
Q

What does PAMP stand for?

A

Pathogen associated molecular patterns

23
Q

How many types of pattern recognition receptors are there?

A
  • Scavenger
  • C-type Lectin
  • Toll-like
  • NOD-like