Lymphatic system Exam Questions
and Answers (Latest Update 2026)
interstitial fluid -
correct answer ✅derivative of blood plasma, carries leucocytes,
food, oxygen and water to cells, removes carbon dioxide and other
waste
lymphatic capillaries -
correct answer ✅when interstitial fluid needs to return to the
blood, not all of it can pass through as the pressure in the
capillaries is too high. hence lymphatic capillaries allow fluid to
enter as the pressure inside them is lower
lymph -
correct answer ✅interstitial fluid in the lymph capillaries,
consisting of large molecules, fragments of damaged cells, foreign
matter such as micro-organisms
lymphatic system -
correct answer ✅lymphatic capillaries - lymphatic vessels - lymph
nodes - lymphatic ducts
, ITEC Anatomy & Physiology -
Lymphatic system Exam Questions
and Answers (Latest Update 2026)
lymph structure -
correct answer ✅waste materials, leucocytes and lymphocytes (to
ingest bacteria and cell debris) but no erythrocytes
lymph function -
correct answer ✅transports excess waste (that blood cannot carry)
from tissues, adds extra leucocytes and lymphocytes to the blood
how does lymph circulate -
correct answer ✅contraction of skeletal muscles, slight incoming
pressure from the tissue fluids, movement of lymph towards the
thorax during inspiration, suction (negative pressure)
what are lymphatic capillaries -
correct answer ✅fine, blind-ended permeable tubes composed of
a single layer of endothelial cells. they occur in all spaces between
tissues, apart from the central nervous system
oedema/water retention -
correct answer ✅caused by an obstruction of the lymphatic flow.
swelling of tissues due to the collection of excess fluid