Lymphatic System

Question 1

organs of the lymphatic system

Answer 1

lymph nodes, tonsils, thymus, spleen, MALT

Question 2

functions of the lymphatic system

Answer 2

distribute lymphocytes and return excess fluid to blood stream

Question 3

5 tonsils

Answer 3

1 pharyngeal, 2 palatine, 2 lingual

Question 4

lymphatic capillaries

Answer 4

closed at one end, larger lumen, thinner walls, irregular outline

Question 5

thoracic duct

Answer 5

carries lymph from tissues inferior to diaphragm and left upper body; empties into left subclavian vein

Question 6

right lymphatic duct

Answer 6

carries lymph from upper right side of body ONLY; empties into right subclavian vein

Question 7

two types of immunity

Answer 7

innate and adaptive

Question 8

innate immunity

Answer 8

aquired from genetics; present at birth

Question 9

adaptive immunity

Answer 9

aquired from being exposed to antigen or recieving antibodies from another source; active and passive

Question 10

active immunity (adaptive)

Answer 10

develops from exposure to antigen

Question 11

naturally aquired active immuniity

Answer 11

develops after exposure to antigen in environment

Question 12

artificially aquired active immunity

Answer 12

develops after injection of an antigen to prevent disease (vaccination)

Question 13

passive immunity (adaptive)

Answer 13

produced by transfer of antibodies from another source

Question 14

naturally aquired passive immunity

Answer 14

transfer of antibodies through placenta or breast milk

Question 15

artificially aquired passive immunity

Answer 15

injection of antibodies

Question 16

cell mediated immunity

Answer 16

provided by t cells; defend against pathogents inside cells

Question 17

antibody mediated immunity

Answer 17

provided by b cells; defend against pathogens in body fluids

Question 18

lymphadenopathy

Answer 18

chronic or excessive enlargement of lymoh nodes

Question 19

immunoglobulins

Answer 19

antibodies

Question 20

IgM

Answer 20

anti-a and anti-b antibodies responsible for agglutination of incompatible blood types

Question 21

IgA

Answer 21

found in liquids; attack pathogens before they enter internal tissues

Question 22

IgD

Answer 22

on surface of b cell; role in b cell sensitization

Question 23

IgG

Answer 23

largest class (80%); can cross placents (anti-Rh antibodies)

Question 24

IgE

Answer 24

attaches to basophils and mast cells; important in allergic response