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WorksheetsMicrobiology (WGU) misc. questions
Total questions: 23
Worksheet time: 23mins
A biological agent that consists of nucleic acid and a protein coat. It is not a cell, nor is it considered alive
Virus
Bacteria
Fungi
Protista
Which of the following is FALSE regarding classical complement pathways?
Antibodies bind to antigens (microbes)
Macrophages use phagocytosis
MAC promotes cytolysis (cell repture)
C1, C4, C2 comp. proteins are utilized
Which is FALSE regarding Lectin complement pathways?
Factor B, Factor D, and Factor P are used
Macrophages use phagocytosis
Cytokines cause liver to produce lectin
C4 & C2 are activated
Which of the following are FALSE regarding Alternative (Properdin) complementary pathways?
Earlier activation than classical pathway
Factor B, Factor D, and Factor P are utilized
Complement proteins coat microbe surfaces which promotes adherence to phagocytes
MAC promotes cytolysis (cell rupture)
Which of the following are examples of physical barriers of innate immunity? SELECT ALL THAT APPLY
Skin
Mucus membranes/mucosa secreted
Urinary flow
Salty liquid from sweat glands
Which of the following are examples of chemical barriers of innate immunity? SELECT ALL THAT APPLY
lysozyme in tears & saliva
Nasal hairs
Lactoferrin in milk, saliva, and mucus
Transferrin in blood plasma
Why are fevers beneficial? SELECT ALL THAT APPLY
Interferon is increased
Lysosomal breakdown increases
Phagocytosis is slowed
Microbial enzymes/toxins become inactivated
Which immunoglobulin is the ONLY one that can cross the placenta?
IgA
IgE
IgG
IgD
Which immunoglobulin causes microbes to clump together?
IgM
IgG
IgA
IgE
Which immunoglobulin binds to mast cells and produces allergy symptoms (to drugs, pollen, and foods)?
IgA
IgD
IgE
IgM
Which hypersensitivity type deals with an immediate reaction including anaphylaxis to pollen, food, insect stings?
Type II
Type IV
Type I
Type III
Which hypersensitivity type is triggered by foreign substances in the environment which leads to tissue destruction?
Type II
Type I
Type IV
Type III
Which hypersensitivity type occurs when a patient receives the wrong blood type during a blood transfusion?
Type II
Type III
Type I
Type IV
Which hypersensitivity triggers antigens in response to vaccines OR one's own cells?
Type IV
Type I
Type III
Type II
Which autoimmune disease is characterized by muscle weakness, difficulty swallowing, and loss of ACH recptors in neuromuscular junction?
Lupus
Myasthenia Gravis
RA
Celiac disease
Which autoimmune disorder involves TH1 cells recognizing a self-antigen which cause release of cytokines?
Lupus
RA
Celiac disease
Myasthenia Gravis
What are the characteristics of primary immunodeficiency diseases? SELECT ALL THAT APPLY
caused by genetic defects during embryo development
damaged T/B cells AFTER normal cell development
Associated with TB, AIDS, Hodgkin's disease, chemo drugs
Lack of/ defective B and T cells
What are the characteristics of secondary immunodeficiency diseases? SELECT ALL THAT APPLY
can be caused by chemo drugs, antibiotics
damaged T and B cells AFTER normal cell development
genetic defects which lead to damaged B and T cells
can be caused by TB, AIDS, Hodgkin's disease
Which primary immunodeficiency disease is caused by B cell deficiency?
HIV/AIDS
Agammaglobulinemia
DiGeorge Syndrome
Multiple myeloma
Which primary immunodeficiency disease is caused by T cell deficiency?
Agammaglobulinemia
TB
Encephalitis
DiGeorge syndrome
Patient's with this primary immunodeficiency disease are prone to infection due to lack of nearly ALL of the immunoglobulins
Digeorge syndrome
Measles
Agammaglobulinemia
Heart murmur
Patient's are at high risk for viral diseases due to improper development of the thymus gland because of this primary immunodeficiency disease
DiGeorge Syndrome
Leprosy
Chemotherapy
Agammaglobulinemia
Which of the following tissues and CD4 cells are harmed by HIV/AIDS? SELECT ALL THAT APPLY
Macrophages
TH Cells
Langerhans cells
Peyer's patch- Lymphatic GI tissue
Dendritic cells
