CLT Lymphatic System Anatomy & Physiology

Question 1

What is the primary function of the lymphatic system in the body?

Accepted Answer

Returning interstitial fluid to the bloodstream and supporting immune defense

Answer

Transporting oxygen to cells

Answer

Producing red blood cells

Answer

Regulating blood pressure

Question 2

Which structures are responsible for filtering lymph fluid as it travels through the lymphatic system?

Accepted Answer

Lymph nodes

Answer

Lymphatic capillaries

Answer

Thoracic duct

Answer

Lacteals

Question 3

The thoracic duct drains lymph from which portion of the body?

Accepted Answer

The entire body except the right upper quadrant

Answer

Right side of the head and neck only

Answer

Right upper quadrant

Answer

Lower extremities only

Question 4

What distinguishes lymphatic capillaries from blood capillaries?

Accepted Answer

Lymphatic capillaries have overlapping endothelial cells acting as one-way valves

Answer

Lymphatic capillaries have a complete basement membrane

Answer

Lymphatic capillaries carry red blood cells

Answer

Lymphatic capillaries are smaller in diameter

Question 5

Where does the right lymphatic duct empty into the circulation?

Accepted Answer

Right subclavian vein

Answer

Left subclavian vein

Answer

Superior vena cava

Answer

Internal jugular vein

Question 6

Lacteals are specialized lymphatic capillaries found in which organ?

Accepted Answer

Small intestine villi

Answer

Liver

Answer

Kidneys

Answer

Lungs