Lymphatic System Pathway Quiz

What is the primary function of the lymphatic system?

• To transport oxygen to tissues

• To return fluids to the circulatory system

• To regulate body temperature

• To produce red blood cells

Where are lymphatic capillaries NOT found?

• In the small intestine

• In the skin

• In the central nervous system

• In the interstitial space

What is a unique feature of lymphatic vessels compared to veins?

• They have thicker walls

• They are found only in the limbs

• They have valves to prevent backflow

• They carry oxygenated blood

What is the role of the valves in lymphatic vessels?

• To absorb nutrients

• To increase blood pressure

• To filter lymph

• To prevent backflow of lymph

What shape are lymph nodes typically described as?

• Round

• Oval

• Bean-shaped

• Square

Which of the following is NOT a lymphatic trunk?

• Lumbar trunk

• Intestinal trunk

• Coronary trunk

• Jugular trunk

Into which vein does the thoracic duct empty?

• Right subclavian vein

• Left subclavian vein

• Left jugular vein

• Right jugular vein

Which duct drains lymph from the right side of the head and thorax?

• Central lymphatic duct

• Left lymphatic duct

• Right lymphatic duct

• Thoracic duct

What is the main difference between the thoracic duct and the right lymphatic duct?

• The thoracic duct is longer and drains more of the body

• The right lymphatic duct is longer

• The thoracic duct is shorter

• The right lymphatic duct drains more of the body

Which area does the right lymphatic duct NOT receive drainage from?

• Right arm

• Right side of the thorax

• Right side of the head

• Left leg