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LYMPHEDEMA EXAM STUDY SET

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LYMPHEDEMA EXAM STUDY SET ...

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  • August 16, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Unknown
  • LYMPHEDEMA
  • LYMPHEDEMA
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LYMPHEDEMA EXAM STUDY SET

Lymph is the name given to interstitial fluid that enters lymph vessels.
It contains:
Protein molecules

Water

Cellular Components

Fatty Acids


Function of the Lymphatic System - ANSWER The immune ANSWER protects
the body from infection and disease by producing, maintaining, and distributing
lymphocytes.

Facilitate fluid flow from tissues back into the bloodstream.


Lymphatic System Components: ANSWER Lymph vessels.

Lymph nodes

Spleen

Thymus gland

Tonsils

Peyers Patches

Lymphocytes


ANSWER: Capillaries are the superficial lymph vessels.

Pre-collectors

,Deep Lymph Vessels - Answer Collectors.

Trunks


Run parallel with deep arteries and veins.

Contains smooth muscle.

Valved (0.6-10 cm apart).


Collectors - ANSWER Divided by valves

Each segment is known as a lymphangion.

Lymph moves in one direction.

Anastomoses occur between collectors.


Lymphangion - Answer Teardrop-shaped segments

Smooth muscle layer.

Transport of lymph by intrinsic contractions

At rest, contractions average 6-10 per minute.

Can rise by tenfold with workout.

Contract segmentally.

Valved and semi-lunar

Valvular insufficiency causes reflux.


ANSWER: Muscle contraction is an extrinsic factor in lymph flow.

, Movement of body components and joints.

Arterial pulses

Respiration

External tissue compression: bandages and clothing.


ANSWER: Trunks drain all four quadrants of the body.


The thoracic duct penetrates the diaphragm; abdominal breathing creates a suction
force and facilitates lymph movement.


Cisterna Chyli holds up to a cup of fluid.


The right lymphatic duct drains the right upper quadrant.


Answer: 1-2 liters of lymph carried per day.


Lymph empties into the superior venous angles.


Watersheds - ANSWER Different anatomic regions of lymph drainage.

Anastomoses can occur when lymph is drained across a watershed.


Lymph Nodes - Answer: Small, kidney-shaped.

2-25mm in diameter.

600–700 in the body; 50% in the neck and trunk.

Often linked in a chain.

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