BackWhich of the following is not the cause of a natural immunodeficiency?
a. a recessive gene resulting in lack of a thymus gland
b. a recessive gene resulting in few B cells
c. HIV infection
d. immunosuppressant drugs
e. All of the above are causes of natural immunodeficiency.
Why might pathogenic 'remains' released from a phagocytic cell be dangerous to the surrounding cells?
Overall our immune system protects us from foreign invaders and pathogens. Which of the following are ways in which our immune system inadvertently damages our body?
NAME IT The Fc region of this protein causes degranulation when it binds to basophils.
Desensitization to prevent an allergic response can be accomplished by injecting small, repeated doses of
a. IgE antibodies.
b. the antigen (allergen).
c. histamine.
d. IgG antibodies.
e. antihistamine.
What does pluripotent mean?
a. ability of a single cell to develop into an embryonic or adult stem cell
b. ability of a stem cell to develop into many different cell types
c. a cell without MHC I and MHC II antigens
d. ability of a single stem cell to heal different types of diseases
e. ability of an adult cell to become a stem cell
Cytotoxic autoimmunity differs from immune complex autoimmunity in that cytotoxic reactions
a. involve antibodies.
b. do not involve complement.
c. are caused by T cells.
d. do not involve IgE antibodies.
e. none of the above
Why does an ANA (antinuclear antibody) test diagnose lupus?
Use the following choices to match the type of hypersensitivity to the examples in questions 7 through 10.
a. type I hypersensitivity
b. type II hypersensitivity
c. type III hypersensitivity
d. type IV hypersensitivity
e. all of the above
Localized anaphylaxis.
Use the following choices to match the type of hypersensitivity to the examples in questions 7 through 10.
a. type I hypersensitivity
b. type II hypersensitivity
c. type III hypersensitivity
d. type IV hypersensitivity
e. all of the above
Allergic contact dermatitis.
Use the following choices to match the type of hypersensitivity to the examples in questions 7 through 10.
a. type I hypersensitivity
b. type II hypersensitivity
c. type III hypersensitivity
d. type IV hypersensitivity
e. all of the above
Due to immune complexes.
Use the following choices to match the type of hypersensitivity to the examples in questions 7 through 10.
a. type I hypersensitivity
b. type II hypersensitivity
c. type III hypersensitivity
d. type IV hypersensitivity
e. all of the above
Reaction to an incompatible blood transfusion.
What is the general goal of treatments used for autoimmune disorders? (NCLEX/HESI/TEAS)
Imagine that one of your patients is an emergency medical technician who has a family history of autoimmune disorders and allergy, but she does not currently suffer from either. Which of the following is (are) most likely true of your patient? Select all
that apply. (NCLEX/HESI/TEAS)
a. She is at an increased risk for cancer.
b. She is at an increased risk for type I hypersensitivities.
c. She is at an increased risk for type III hypersensitivities.
d. She is at an increased risk for latex hypersensitivity.
e. She is at an increased risk for immunosuppression.
Which types of white blood cells are most likely to be involved in type I hypersensitivities? Select all that apply.
a. T helper cells
b. T cytotoxic cells
c. Basophils
d. Macrophages
e. Mast cells