Lab 7 Flashcards

1
Q

What are the primary lymphatic structures?

A

Thymus and bone marrow

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2
Q

What are the secondary lymphatic structures?

A

Lymph nodes, lymph nodules, and spleen

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3
Q

Where are the pharyngeal tonsils located?

A

Top of nasal pharynx.

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4
Q

Where are the palatine tonsils located?

A

Where oral cavity changes to oral pharynx.

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5
Q

Where are the lingual tonsils located?

A

Posterior of tongue.

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6
Q

What composes the extracellular fluid?

A

Plasma and interstitial fluid.

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7
Q

When there is an excess in extracellular fluid from where to where does it flow?

A

From plasma to interstitial (excluding kidneys) continuously enters lymphatic capillaries to become lymph.

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8
Q

What is the primary driving force driving lymphatic circulation?

A

Smooth muscle layer surrounding lymphatic vessels (distension triggers contraction)

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9
Q

What is the assisting driving force driving lymphatic circulation?

A

Skeletal muscle and respiratory pumps (

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10
Q

What causes swelling?

A

Blockage of lymph flow can lead to build up of if (edema)

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11
Q

What is the path

A

Most lymphatic flow goes from: lymphatic capillaries – afferent lymphatic vessel – lymphatic structure – efferent lymphatic vessel – lymphatic trunk – lymphatic duct.

In this diagram: lymphatic capillaries – afferent lymphatic vessel – lymph node – efferent lymphatic vessel.

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12
Q

What does the jugular trunk drain?

A

Neck and head.

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13
Q

What does the subclavian trunk drain?

A

Arm

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14
Q

What does the bronchomediastinal trunk drain?

A

Lungs, heart, trachea, and mammary glands

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15
Q

What dies the lumbar trunk drain?

A

Legs, pelvis, and kidneys

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16
Q

What does the intestinal trunk drain?

A

Stomach, intestine, pancreas, spleen, liver

17
Q

What does the cisterna chyli drain?

A

Sac that lumbar trunks and intestinal trunk drain into; drainage coming out forms thoracic duct.

18
Q

The upper right quadrant of the body ultimately drains into…

A

Right lymphatic duct – enters right subclavian vein.
Thoracic duct – enters left subclavian vein.

Blue drainage area – lymph ultimately flows into right lymphatic duct.

Yellow drainage area – lymph ultimately flows into thoracic duct

19
Q

The right lower quadrant and left half of the body drains into…

A

Thoracic duct – enters left subclavian vein.