ANTIBODY CLASSES

Question 1

MOST ABUNDANT Ab in the BODY

Answer 1

IgA

Question 2

MOST ABUNDANT Ab in the SERUM

Answer 2

IgG

Question 3

ratio of IgG to IgA in SERUM

Answer 3

6:1

Question 4

LEAST ABUNDANT Ab in SERUM

Answer 4

IgE

Question 5

MOST EFFECTIVE in COMPLEMENT FIXATION

Answer 5

IgM

Question 6

LONGEST HINGE REGION

Answer 6

IgD

Question 7

LONGEST HINGE REGION in IgG CLASSES

Answer 7

IgG3

Question 8

incomplete or non-agglutinating ab

Answer 8

IgG

Question 9

significant Ab type often implicated in HTR and HDN

Answer 9

IgG

Question 10

IgG that CANNOT CROSS THE PLACENTA

Answer 10

IgG2

Question 11

IgG that is MOST EFFICIENT IN COMPLEMENT FIXATION

Answer 11

IgG3

Question 12

IgG that CANNOT FIX COMPLEMENT

Answer 12

IgG4

Question 13

IgGs that have HIGH AFFINITY TO Fc RECEPTORS of phagocytic cells, thus increasing the efficiency of phagocytosis

Answer 13

IgG1, IgG3

Question 14

an EXCELLENT NEUTRALIZING Ab

Answer 14

IgG

Question 15

THE ONLY Ab WITH SECRETORY COMPONENTS that protect it from enzymatic digestion while it patrols the sections

Answer 15

IgA

Question 16

MAJOR Ab FOUND IN THE COLOSTRUM in the mother’s milk

Answer 16

IgA

Question 17

Ab most often formed IN RESPONSE TO GRAM NEGATIVE BACTERIA

Answer 17

IgM

Question 18

last to leave in senescence

Answer 18

IgM

Question 19

first Ab formed by the fetus

Answer 19

IgM

Question 20

first Ab to appear during an immune response

Answer 20

IgM

Question 21

Abs in the MEMBRANE OF B CELLS

Answer 21

IgM, IgD

Question 22

MOST HEAT LABILE Ab

Answer 22

IgE

Question 23

IgE was originally called

Answer 23

REAGINIC ANTIBODY

Question 24

2 subclasses of IgA

Answer 24

IgA1, IgA2

Question 25

subclass of IgA found in the SERUM

Answer 25

IgA1

Question 26

subclass of IgA found in SECRETIONS

Answer 26

IgA2

Question 27

IgA2 is held by what chain?

Answer 27

J CHAIN

Question 28

MOST EFFICIENT Ab that ACTIVATES COMPLEMENT (CLASSICAL)

Answer 28

IgM