Immunodeficiency disease can result from ________________.
Immunodeficiency & Hypersensitivity Quiz

Quiz
•
Science
•
University
•
Hard

Siang Yan Serene Choo
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
a developmental defect of T lymphocytes.
developmental defect of bone marrow stem cells.
defect in phagocyte function.
all of the options.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are effector cells during chronic asthma?
Macrophages and neutrophils
Mast cells and eosinophils
T cells and B cells
Natural killer cells
Answer explanation
Mast cells and eosinophils are key effector cells in chronic asthma, contributing to inflammation and airway hyperreactivity. They release mediators that exacerbate asthma symptoms, making them central to the disease process.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
HIV infected CD4+ T cells may lose the expression of_________ and this leads to killing by ______.
Class II MHC, cytotoxic T cells
Class I MHC, natural killer cells
CD4, neutrophils
CD8, macrophages
Answer explanation
HIV infected CD4+ T cells may lose the expression of Class II MHC, which is crucial for presenting antigens to CD4+ T cells. This loss makes them susceptible to killing by cytotoxic T cells, which recognize infected cells.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is/are the cardinal symptom(s) of immunodeficiency?
Chronic diarrhea
Chronic or recurrent severe infections
Poor response to treatment of infections
All of the options
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements on severe combined immune deficiency (SCID) is FALSE?
Patients do not have functional T cells
Patients do not have functional B cells.
Patients are suffering from a secondary immunodeficiency
Patients tend to have recurrent infection.
Answer explanation
The statement 'Patients are suffering from a secondary immunodeficiency' is false. SCID is a primary immunodeficiency, meaning it is due to intrinsic defects in the immune system, not acquired from external factors.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Type III hypersensitivity is also known as ________________.
Allergy
Cytotoxic hypersensitivity
Immune complex reaction
Delayed-type hypersensitivity.
Answer explanation
Type III hypersensitivity is known as an immune complex reaction, where antigen-antibody complexes form and lead to tissue damage. This distinguishes it from other types like allergy or cytotoxic hypersensitivity.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acquired Immunodeficiency Syndrome (AIDS) is caused by a retrovirus that preferentially infects and kills _______ cells.
helper T
cytotoxic T
NK
Monocytic
Answer explanation
AIDS is caused by the Human Immunodeficiency Virus (HIV), which specifically targets and destroys helper T cells. These cells are crucial for the immune response, making their depletion central to the progression of AIDS.
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