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CIBTAC A+P QUESTIONS With Correct
Answers
Tissue fluid leaves the capillaries via? - answer✔diffusion
the lymphatic vessel that gathers most of the lymph is the? - answer✔thoracic duct
the liquid which carries dissolved substances from capillaries to cells and back is the? -
answer✔blood plasma
the fluid between cells is driven along by? - answer✔pressure from contracting muscles
surrounding
how is lymph circulated? - answer✔a combination of skeletol muscle contraction and valves in
the veins
lymph is drained back into the bloodstream through the? - answer✔lymphatic ducts
the lymphatic system relies on the muscular system for? - answer✔movement
which body therapy machine relies on the muscular system? - answer✔vacuum suction
T or F? lymphatic vessels do not contain valves: - answer✔false.
the constituents of lymph are very similar too? - answer✔plasma
what are the functions of the lymphatic system? - answer✔- filters lymph
what constituents can leave the capillaries? - answer✔- leucocytes
- food
- water
- oxygen
what drains into the lymphatic capillaries instead of the blood capillaries? - answer✔- pressure
is lower here
- excess tissue fluid
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- micro organisms
- foreign matter + damaged cells
how is lymph described? - answer✔- clear
- colourless fluid
- derived from plasma
how are micro organisms destroyed? - answer✔phagocytic monocytes and neutrophils engulf
and destroy bacteria draining them to the lymphatic capillaries.
what does an obstruction in tissue fluid cause? - answer✔oedema
what is tissue fluid? - answer✔As blood passes through the blood capillaries some of the fluid
oozes out through the capillary walls and bathes the tissues
what do lymphatic capillaries eventually form? - answer✔they unite to form lymphatic vessels
collecting excess tissue fluid.
how are lymphatic capillaries described? - answer✔- thin permeable walls
- orientate as minute blind end tubes
- drain away excess tissue fluid
how are lymphatic vessels described? - answer✔- one way valves directing lymph to the heart
- knotted or beaded appearance
- drain into the nodes
what type of circulation is the lymphatic system? - answer✔subsidiary
what are the lymphatic organs? - answer✔- spleen, thymus gland, adenoids, lymph nodes,
appendix, bone
marrow and tonsils
what do lacteals do? - answer✔found in the villi of small intestine; absorb fat - emulsified by
bile and
carried to cisterna chilli.
what disease is described as destroying the immunity of an individual? - answer✔AIDS
what are the function of the thoracic duct? - answer✔COLLECTS MOST LYMPH
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- via the cycsterni chilli
- to left subclavian vein
Whats the function of the right lymphatic duct? - answer✔COLLECTS LESS LYMPH
- via the right subclavian vein
how is the spleen described? - answer✔dark purple oblong shape that has a phagocytic
action.left side under the stomach.
-B+B
- forms phagocytes
- stores iron for haemoglobin
how is the thymus described? - answer✔triangular tissue against the trachea.
- atrophies after puberty
what does not contain lymphoid tissue in this system? - answer✔the larynx
what are the lymph nodes of the face? - answer✔preaurricular - cheek bone\ear
paratoid + tonsular - by jaw/ear
submental and submandibular - under chin
cervical - neck
supra clavicle - polar bone
what are the lymph nodes of the body? - answer✔auxiliary - armpit
supatrochlera - elbow
inguinal - by hips
femoral - femoral triangle
popliteal - knee
average heartbeat for a healthy adult: - answer✔70 beats per minute
blood is a special kind of: - answer✔connective tissue
which component of blood transports oxygen? - answer✔erythrocytes
function of thrombocytes? - answer✔blood clotting
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