During a Type I hypersensitivity reaction,the mast cells
A) become phagocytic.
B) release IgE antibodies.
C) degranulate.
D) immediately release histamine.
E) degranulate AND immediately release histamine.
Correct Answer:
Verified
Q11: Anti-A and anti-B antibodies
A) are considered natural
Q15: Desensitization
A)stimulates an increase in IgG.
B)reduces the number
Q16: Generalized anaphylaxis is generally characterized by
A)wheal and
Q17: If the immune system responds inadequately to
Q19: A transfusion reaction primarily involves
A)leukocytes.
B)phagocytes.
C)platelets.
D)erythrocytes.
Q23: Graft-versus-host disease is primarily a
A) type I
Q23: The fetus is not rejected because
A)it is
Q24: Which of the following disease states is
Q25: Allografts
A)are normally rejected within hours.
B)are grafts between
Q29: If the thymus fails to develop,
A) functional
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