lymphatic system

Question 1

functions of lymphatic system

Answer 1

tissue drainage
return of plasma and plasma proteins
absorbed fat transport from gut
immunity

Question 2

tissue drainage and return of plasma proteins

Answer 2

drains escaped, cell free plasma from the extracellular spaces back to the venous system

Question 3

composition of lymph

Answer 3

lymph is fluid and plasma proteins only but gains lymphocytes as it flows through lymphatic capillaries and channels

Question 4

flow of lymph relies on what

Answer 4

muscle contraction, pressure changes and gravity

Question 5

lymph flow can be described as

Answer 5

unidirectional due to valves

Question 6

numbers of deep lymph nodes

Answer 6

450 lymph nodes in young adults, 250 in abdomen chiefly associated with mesenteries

Question 7

superficial lymph nodes

Answer 7

Inguinal nodes located in and around the femoral triangle at the base of the lower limb.

Question 8

primary tumours - lymph node pathology

Answer 8

lymphomas - hodgkins

Question 9

secondary tumours - lymph node pathology

Answer 9

result from metastasis

Question 10

infections associated with lymph nodes

Answer 10

tuberculosis and glandular fever

Question 11

deep lymphatic drainage follow what route

Answer 11

routes of arterial supply

Question 12

drainage routes

Answer 12

all lymph congregates into 2 large lymph fucts which empty into the venous system at the jugular/subclavian junction

Question 13

fat transport from gut

Answer 13

lymph returning from the small intestine is laden with absorbed fats, which will also drain to the SVC and eventually to the liver for absorpti

Question 14

what is the largest lymphatic organ

Answer 14

the spleen

Question 15

where is the spleen found

Answer 15

upper left quadrant of abdomen

Question 16

spleen composition

Answer 16

large amount of blood, routinely discharged via smooth muscle action