lab quiz

Question 1

LYMPHATIC DUCTS
what are the 2 main ducts that collect lymph

Answer 1

thoracic duct
right lymphatic duct

Question 2

LYMPHATIC DUCTS
name the regions from where the 2 ducts drain the lymph

Answer 2

the thoracic duct drains the lymph into the left subclavian vein.

the right lymphatic duct drains the lymph into the right subclavian vein.

Question 3

LYMPHATIC DUCTS
name the main trunks that join these 2 ducts

Answer 3

the thoracic duct is joined by
left subclavian trunk
left jugular trunk
left bronchomediastinal trunk
left and right lumbar trunks
intestinal trunk
cisterna chyli

the right lymphatic duct is joined by
right jugular trunk
right subclavian trunk
right bronchomediastinal trunk

Question 4

LYMPH NODE
what are the 2 sets of lymphatic vessels connected to the lymph node?

Answer 4

efferent lymphatic vessels
afferent lymphatic vessels

Question 5

LYMPH NODE
what are the functions of the 2 sets of vessels connected to the lymph node

Answer 5

afferent lymphatic vessels bring lymph from peripheral tissues

efferent lymphatic vessels leave the lymph node carrying lymph toward venous circulation

Question 6

LYMPH NODE
name the different types of cells found in this structure

Answer 6

macrophages
dendritc cells
B cells
T cells

Question 7

LYMPH NODE
main functions of this structure

Answer 7

purifies lymph, 99% of antigens are removed

macrophages engulf debris and pathogens

dendritic cells present antigens to lyphocytes

act as an early warning system

Question 8

TONSILS
what are tonsils

Answer 8

tonsils are lymphoid nodules in the walls of the pharynx

Question 9

TONSILS
how many tonsils are there

Answer 9

5

Question 10

TONSILS
what are the tonsils

Answer 10

single pharyngeal tonsil
left and right palatine tonsils
pair of lingual tonsils

Question 11

TONSILS
functions of tonsils

Answer 11

tonsils trap bacteria and viruses which can get in to our body while breathing

Question 12

THYMUS GLAND
is this tissue a primary or secondary tissue of the lymphatic system

Answer 12

primary tissue

Question 13

THYMUS GLAND
2 main functions of this organ

Answer 13

development and maintenance of immunological defenses

stem cell divisions

Question 14

SPLEEN
what are the different types of cells in this organ

Answer 14

B lymphocytes
macrophages
lymphocytes
plasma cells
granulocytes
platelets

Question 15

SPLEEN
what are the functions

Answer 15

removal of abnormal blood cells

storage of iron

initiation of immune response by T cells and B cells

Question 16

SPLEEN
in the fetal stage this organ has one function which is not in the adult stage. what is the function in the fetal stage

Answer 16

production of leukocytes and RBCs

Question 17

PEYER’S PATCHES
where are these tissues found in the body

Answer 17

clusters of lymphoid nodules of the intestine are aggregated nodules