PATHOPHYSIOLOGY VERIFIED
QUESTIONS AND CORRECTS
ANSWERS SUMMER FINAL
EXAMS REVISION.
Which is the main antibody transferred from a mother to an infant
in breast milk?
A) IgG
B) IgM
C) IgE
D) IgA
d
,When a person has an allergic response to bee stings, which
antibody causes the life-threatening hypersensitivity response?
A) IgM
B) IgA
C) IgE
D) IgG
c
Cytotoxic T (Tc) cells can destroy infected or cancer cells by
which of the following mechanisms?
A) Producing toxins
B) Stimulating apoptosis
C) Producing antibodies
D) Both A and B
d
How do natural killer (NK) cells differ from cytotoxic T (Tc) cells?
A) NK cells lack antigen-specificity and can target any infected or
malignant cell.
B) NK cells are phagocytic.
,C) NK cells can opsonize bacteria and viruses.
D) NK cells release toxins that kill the target cell.
a
A 20-year-old female has been diagnosed with AIDS. Laboratory
testing would reveal diminished levels of:
A) cytotoxic T cells.
B) B cells.
C) helper T cells.
D) T suppressor cells.
c
d
Which of the following hypersensitivity responses involves the
formation of antigen-antibody (immune) complexes that get
deposited on vessel walls or in extravascular tissue?
A) Type I
B) Type II
, C) Type III
D) Type IV
c
A positive tuberculin skin test for detecting the presence of
tuberculosis is indicative of which type of hypersensitivity
response?
A) Type I
B) Type II
C) Type III
D) Type IV
d
What is the effect of repeated exposure to an allergen in an atopic
individual?
A) The allergic response gets worse.
B) Antibody production is suppressed.
C) Antibody formation remains constant.
D) Tc cell activity rises significantly.
a