Lymphatic system

Question 1

Functions of the lymphatic system

Answer 1

Filters bacteria, foreign materials, toxins and harmful materials.
Drains away excess fluid to prevent water clogging of the tissue and cells.
Transports proteins back into the blood supply.
Produces lymphocytes which protect and defend the body against infection.
Produces antibodies to fight infection
Absorbs fat from the intestine and transport it to the liver.

Question 2

Structure and Function of lymph fluid

Answer 2

Carries more waste products than nutrients.

Question 3

Structure and Function of lymph capillaries

Answer 3

Fine hollow elastic tubes similar to blood capillaries in structure but wider. Walls more permeable than blood capillaries. Transport lymph fluid away from cells and tissues

Question 4

Structure and Function of lymph vessels

Answer 4

Run closely alongside veins. Have collapsible walls cary lymph at a steady pressure similar to veins in structure contain valves called semi lunar valves. Transport the lymphatic fluid through one or more of the lymph nodes.

Question 5

Structure and Function of lymph nodes

Answer 5

Tiny clusters of glands. filter out bacteria and toxins. white blood cells produce antibodies and ingest bacteria and foreign bodies.

Question 6

Function of right lymphatic duct

Answer 6

Collects lymph from right side of head, neck, chest and right arm and drains it into the right subclavian vein.

Question 7

Function of the thoracic duct

Answer 7

Collects lymph from left side of the head, neck.left arm, left side of chest are and both legs and drains its into the left subclavian vein.

Question 8

Factors affecting lymph drainage

Answer 8

blood circulation
exercise
massage

Question 9

Composition of lymph fluid

Answer 9

Plasma
Proteins
Waste products and toxins
Fats
Urea
Gases
Lymphocytes

Question 10

Location and function of Buccal node

Answer 10

Face and cheek drains eyelids, nose and facial skin

Question 11

Location and function of parotid nodes

Answer 11

Face front of ear, drains eyelids, nose and ears

Question 12

Location and function of posterior auricular nodes

Answer 12

behind the ears, drains ear and temple

Question 13

Location and function of occipital nodes

Answer 13

Back of the head, drains scalp and upper neck

Question 14

Location and function of submental nodes

Answer 14

under the chin, drains lower lip, chin and floor of mouth

Question 15

Location and function of submandibular nodes

Answer 15

under the jaw line drains chin, lips, noise, cheeks and tongue

Question 16

Location and function of superficial cervical nodes

Answer 16

neck below the ear drains lower part of ear, parotid area and neck

Question 17

Location and function of deep cervical nodes

Answer 17

Neck drains back of the scalp and neck

Question 18

Location and function of axillary nodes

Answer 18

In the underarms, drains the pectoral area and upper arm

Question 19

Location and function of supratrochlear lymph nodes

Answer 19

elbow, drains the fingers, thumb, hand and forearm

Question 20

Location and function of Intestinal lymph nodes

Answer 20

abdominal cavity, drains the abdominal viscera

Question 21

Location and function of Iliac nodes

Answer 21

hips, drains the pelvic area including reproductive organs and bladder

Question 22

Location and function of Inguinal nodes

Answer 22

Groin, drains the pelvic area and legs

Question 23

Location and function of popliteal nodes

Answer 23

behind the knees, drains toes, feet an lower legs

Question 24

Location and function of Cisterna chyli

Answer 24

Sack like chamber in the abdomen, receives lymph from the lower abdomen, lower limbs, pelves and coveys it into the thoracic duct.

Question 25

Which vessel does lymph enter a node and which vessel does it exit by?

Answer 25

Enters through afferent, exits through efferent

Question 26

Function and location of spleen

Answer 26

Behind the stomach produces antibodies and lymphocytes destroy old red blood cells.

Question 27

Where does the primary interaction between blood and lymph supply occur?

Answer 27

Capillary exchange.

Question 28

How does lymph return to the blood supply?

Answer 28

Via the lymphatic ducts and into the subclavian veins

Question 29

How is fat transported from the digestive tract to the blood

Answer 29

through lymph

Question 30

How do lymphocytes circulate around the body?

Answer 30

In lymph and blood vessels