Match each hypersensitivity type $(1-4)$ with the descriptions$($s$)($a$-$k$)$ listed below that are true about that type of hypersensitivity reaction.$$ Some of the descriptions may apply to more than one reaction type; others may not apply to any. Enter the question number $(1-4)$ followed by the letter of the correct answer$($s$)($a$-$k$)$ into the answer box separated by a comma. $(2$ points per correct answer, $1$ point will be subtracted for each incorrect answer, $30$ points total$)$

Example answer format:

$1$: R$,$ V$,$ T

$2$: Z$,$ W

$3$: V$,$ Y

$4$: S

Type I

Type II

Type III

Type IV

a$.$ Immune mechanisms may have evolved as a defense against helminthic parasites

b$.$ Basis of Celiac disease symptoms

c$.$ Ab mediated hemolysis as occurs in blood transfusion reactions

d$.$ Mediated by the humoral branch of immunity

e$.$ Involves IgE as principal effector

f$.$ Symptoms delayed by $24-72$ hours

g$.$ Reaction to poison oak is an example

h$.$ Characterized by Ab$-$Ag complex activation of complement

i$.$ Inflammatory response to ragweed pollen and peanuts

j$.$ Basis of TB test

k$.$ Symptoms may occur within minutes to ~$8$ hours after Ag exposure