Module 1 - Lymphatic Watersheds | Take the Quiz

What is the primary function of the lymphatic system?

Which of the following are NOT characteristics of lymphatic vessels? (select all that apply)

What is the main function of lymph nodes?

Producing red blood cells

Filtering lymph fluid

Regulating blood pressure

Storing excess nutrients

What is the purpose of lymphatic capillaries?

Absorbing excess nutrients

Carrying oxygenated blood

Draining interstitial fluid

Producing lymphocytes

Which of the following is NOT a common symptom of lymphedema?

What is the role of the thoracic duct in the lymphatic system?

Transporting lymph fluid from the lower body

Filtering lymph fluid

Producing lymphocytes

Returning lymph fluid to the bloodstream

Lymphatic Watersheds, identify the correct statement:

The lower horizontal watershed is also called the “median” watershed

The sagittal watershed divides the lymph drainage of the head, neck, trunk and external genitalia into two equal halves

The upper horizontal watershed separates the upper from the lower territories of the trunk

What is another name for lymph territories on the trunk?

Sections

Bundles

Regions

Quadrants

The superficial and deep lymphatic systems are separated by the following anatomical structure:

Sheaths surrounding the tendon of the striated musculature

Subcutaneous fatty tissue

Fascia connecting the skin to the underlying tissue

Lymph nodes

Lymph fluid may travel through the initial lymph vessel plexus to move from the extremities to the trunk, bypassing the regional lymph nodes, or to move between quadrants:

True

False

Which of the following statements are true regarding the correct flow of lymph between watersheds?

Lymph from the right arm drains into the thoracic duct.

Lymph from the left arm drains into the right lymphatic duct.

Lymph from the right leg drains into the thoracic duct.

Lymph from the left leg drains into the right lymphatic duct.

Lymph from the head and neck drains into the thoracic duct.

What is a watershed in the lymphatic system?

A region of the body that is drained by a network of lymphatic vessels.

A region of the body that is drained by a single lymphatic duct.

A region of the body that is not drained by any lymphatic vessels.

A region of the body that is drained by both the lymphatic system and the circulatory system.

A region of the body that is not drained by the lymphatic system or the circulatory system.

Territories of the upper extremity and the lower extremity can also be referred to as:

Collectors

Bundles

Quadrants

All of the above

Which answer best describes the AAA

The connection between the contralateral and axillary lymph nodes on the posterior side of the upper quadrant

Collectors forming this anastomosis are found on the sacrum

The connection between the right and left upper quadrants on the anterior side of the trunk

All of the above

Lymph fluid returns to the venous system via:

The right and left thoracic duct

The left lymphatic duct and right lymphatic duct

The thoracic duct and right lymphatic duct

All of the above

When crossing joints lymph vessels typically run along __________________. This prevents over extension of the vessels, which could occur if they were on the extensor side.

Lateral aspects

Medial aspect

Extensor aspect

All of the above

All joints drain through the ________________

Deep lymphatic system

Superior Vena Cava

Superficial system

Initial Plexus

Name the two territories in the lower leg:

Ventromedial/dorsolateral

Ventrolateral/dorsomedial

Mesothenar/descending

Anterior/posterior

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