CLT Lymphatic System Anatomy & Physiology 3

Question 1

Valves within lymphatic collecting vessels serve what purpose?

Accepted Answer

Preventing backflow and ensuring unidirectional lymph transport

Answer

Filtering pathogens from lymph

Answer

Increasing lymph protein content

Answer

Connecting lymphatics to blood vessels

Question 2

Which layer of the skin contains the superficial lymphatic capillary network targeted in MLD?

Accepted Answer

Superficial dermis (papillary layer)

Answer

Epidermis

Answer

Deep dermis (reticular layer)

Answer

Subcutaneous fat layer

Question 3

What is the approximate normal filtration-reabsorption balance at the capillary level?

Accepted Answer

About 90% is reabsorbed by blood capillaries; 10% enters lymphatics

Answer

All filtered fluid is reabsorbed by blood capillaries

Answer

About 50% is reabsorbed; 50% enters lymphatics

Answer

All filtered fluid enters lymphatics

Question 4

The spleen differs from lymph nodes in that it filters which fluid?

Accepted Answer

Blood

Answer

Lymph

Answer

Interstitial fluid

Answer

Cerebrospinal fluid

Question 5

Anastomoses in the lymphatic system refer to what?

Accepted Answer

Connections between lymphatic vessels that allow alternative drainage routes

Answer

Junctions where lymph nodes cluster together

Answer

Valves that open under pressure

Answer

Lymphatic capillary loops in the dermis

Question 6

Which autonomic stimulus increases the intrinsic contraction rate of lymphangions?

Accepted Answer

Sympathetic stimulation

Answer

Parasympathetic stimulation

Answer

Inhibition of both systems

Answer

Neither — lymphangions are purely myogenic