Which scenario presents the greatest risk for HDN developing?
a. O− mother with O+ fetus
b. A+ mother with O+ fetus
c. B−mother with AB− fetus
d. A−mother with O−fetus
e. AB+ mother with AB−fetus

List the applicable hypersensitivities (type I, II, III, IV) as they relate to the description. Note, more than one type of hypersensitivity may be listed for a given description.

IgG antibodies can mediate type _________________hypersensitivities.

T cells mediate type _________________ hypersensitivities.

Type _________________ hypersensitivities may be generated in response to pharmaceutical drugs.

Type _________________ hypersensitivities may be associated with autoimmunity.

Type _________________ hypersensitivities require a sensitizing exposure.

IgE antibodies can mediate type _________________hypersensitivities.

Fill in the table.

Which of the following is (are) true regarding type III hypersensitivity reactions? Select all that apply.

a. They involve IgG

b. They involve IgM

c. They are considered delayed reactions

d. They include autoimmune disorders like multiple sclerosis

e. They are rare compared with type I reactions

Which patient would be the most likely to benefit from desensitization immunotherapy?

a. A person suffering from serum sickness

b. A person at risk for HDN during pregnancy

c. A person with an allergy to pollen

d. A transplant patient

e. An asthmatic patient

Which of the following is the most suggestive of an anaphylactic reaction? (NCLEX/HESI/TEAS)

a. Sudden fever

b. A localized rash

c. Nasal congestion

d. Hemorrhage

e. Respiratory distress

Which of the following would be recommended as a means to diagnose a type I sensitivity? Select all that apply.

a. Skin prick test

b. IgG titers

c. IgM titers

d. IgE titers

e. Histamine levels