Chapter 24 Lymphatic System Flashcards

1
Q

Disease producing microbes such as bacteria and viruses known as what term?

A

Pathogens

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2
Q

The ability to ward off disease or damage through the body’s defense is?

A

Immunity

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3
Q

Another term for vulnerability or lack of resistance?

A

Susceptibility

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4
Q

This type of immunity is present at birth, has no memory, is fast. Examples include barriers (skin), fever, inflammation, natural killer cells, phagocytes.

A

Innate (nonspecific) immunity

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5
Q

This type of immunity is slower but more specific, has a memory component. Examples include lymphocytes: T cells and B cells.

A

Adaptive (specific) immunity

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6
Q

This body system is responsible for adaptive immunity (and some aspects of innate immunity).

A

Lymphatic system

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7
Q

This specialized form of reticular connective tissue contains large numbers of lymphocytes.

A

Lymphatic tissue

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8
Q

List the 3 primary functions of the lymphatic system

A

Drainage of excess fluids
Transports dietary lipids
Carries out immune responses

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9
Q

Interstitial fluid within lymphatic vessels is called what? Contains less protein than blood plasma.

A

Lymph

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10
Q

Lymphatic vessels begin where? What do lymphatic vessels resemble in terms of structure (valve)?

A

Lymphatic capillaries, lymphatic vessels resemble veins

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11
Q

Capsules( bean-shaped) surrounding lymphocytes, through which lymph flows, is what? Approx.

A

Lymph nodes, about 600

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12
Q

Name the main lymph-collecting duct, receives lymph from left side of head, neck, chest; left upper limb; entire body below ribs.

A

Thoracic duct

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13
Q

This other main duct drains lymph from upper right side of body.

A

Right lymphatic duct

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14
Q

Where does lymph drain back into eventually? Which veins.

A

Blood. Left and right internal jugulars, left and right subclavian veins

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15
Q

Lymph flows via venous return by the same two pumps as blood in veins. Name the pumps.

A

Skeletal muscle pumps, respiratory pumps.

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16
Q

Condition where excessive interstitial fluid has accumulated into tissues producing swelling. What’s the condition where interstitial fluid backs up in lymphatic pathways?

A

Edema, lymphedema

17
Q

THe spleen, lymph nodes, and lymphatic nodules are examples of primary or secondary lymphatic organs?

A

Secondary

18
Q

Red bone marrow and the thymus are examples of primary or secondary lymphatic organs?

A

Primary

19
Q

This two lobed organ, posterior to the sternum, contains large numbers of T cells. It matures T cells and then sends to lymph nodes and spleen.

A

Thymus

20
Q

True or false: lymph nodes usually occur in groups and are both superficial and deep.

A

True

21
Q

Lymph is filtered in lymph nodes, through which vessel does filtered lymph leave a node?

A

Efferent lymphatic vessels

22
Q

Lymph is filtered in lymph nodes, through which vessel does lymph enter a node?

A

Afferent lymphatic vessels

23
Q

The spread of disease to different parts of the body is known as what? This can happen through lymphatic vessels.

A

Metastasis

24
Q

Lymphoma is cancer lymphatic organs ( lymph nodes specifically), what are two types of lymphomas?

A

Hodgkin disease, non- Hodgkin disease