Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 19, Problem 5MCQ
Summary Introduction
Introduction:
The immunodeficiency syndrome is of two types: primary or congenital immunodeficiency. It is a hereditary disorder. It may be autosomal recessive or X-linked. Secondary or acquired immunodeficiency is caused by various immunosuppressant drugs or by HIV infection.
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Primary immunodeficiency disorders
A.
are mostly caused by deficiency of both
B cells and T cells.
B.
are infectious.
C. are commonly found in cancer patients.
D. can be induced by malnutrition.
E. are inherited.
O
O
O
O
A 41-year-old man has a penetrating injury to his right eye. A month later he has worsening vision in his left eye. Through which of the following immunoogic mechanisms has his vision in the left eye been reduced?
a.Release of sequestered antigens
b.Hypogammaglobulinemia
c.Molecular mimicry
d.T lymphocyte anergy
Which of the following diseases is not due to autoimmunity?A. rheumatic feverB. systemic lupus erythematosusC. diabetes mellitusD. HIV/AIDS
3. Which of the following is both a phagocyte and an antigen-presenting cell?A. Natural Killer cellB. eosinophilC. neutrophilD. macrophage
4. What is the first line of defence against germs?A. HeartB. SkinC. Brain D. Eyes5.Which organs in your throat trap germs that come in?A. PancreasB. Spleen C. TonsilsD. Liver6. A person is injected with immunoglobulins against hepatitis B. This person has :A. Artificially acquired passive immunityB. Artificially acquired active immunityC. Naturally acquired active immunityD. Naturally acquired passive immunity
Chapter 19 Solutions
Microbiology: An Introduction
Ch. 19 - DRAW IT Label IgE, antigen, and mast cell, and add...Ch. 19 - Prob. 2RCh. 19 - Discuss the roles of antibodies and antigens in an...Ch. 19 - Prob. 4RCh. 19 - Prob. 5RCh. 19 - Differentiate the three types of autoimmune...Ch. 19 - Summarize the causes of immunodeficiencies. What...Ch. 19 - Prob. 8RCh. 19 - Prob. 9RCh. 19 - Prob. 10R
Ch. 19 - Prob. 1MCQCh. 19 - What does pluripotent mean? a. Ability of a single...Ch. 19 - Prob. 3MCQCh. 19 - Antibodies against HIV are ineffective for all of...Ch. 19 - Prob. 5MCQCh. 19 - Which antibodies will be found naturally in the...Ch. 19 - Prob. 7MCQCh. 19 - Use the following choices to match the type of...Ch. 19 - Use the following choices to match the type of...Ch. 19 - Prob. 10MCQCh. 19 - When and how does our immune system discriminate...Ch. 19 - The first preparations used for artificially...Ch. 19 - Prob. 3ACh. 19 - Prob. 4ACh. 19 - Prob. 1CAECh. 19 - Prob. 2CAECh. 19 - Prob. 3CAECh. 19 - Prob. 4CAE
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- Which of the following is a non-organ-specific (systemic) autoimmune disease? a. Systemic lupus erythematosus (SLE) b. Hashimoto's thyroiditis (hypothyroidism) C. Graves' disease (hyperthyroidism) d. Insulin-dependent diabetes mellitus (Type I diabetes)arrow_forwardWhich of the following characteristics is true of large Pre-B cells? Select one: a. They do not express CD19 at the cell surface. b. Rearrangement of light-chain genes commences. c. Nonproductive rearrangement of both heavy-chain loci has already occurred. d. Allelic exclusion of the immunoglobulin light-chain loci has already occurred. u is assembled with VpreB25. e.arrow_forwardNotice the dotted line for a CD4 count of 200. Why is that level important? A This is the point at which ART should begin. B CD4s of 200 represent the point at which HIV will begin to generate resistance mutations. C When CD4s reach 200, a person is at great risk of disease from opportunistic infections, including ones that hardly ever cause disease in people with normal CD4s.arrow_forward
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