Microbiology Quiz
Preview:
What process generates many B cells and T cells that are activated against specific antigens?
A. Opsonization
B. Antibody production
C. Antigen expression
D. Antigen presentation
E. Clonal expansion
What structures are found along lymphatic vessels and are heavily clustered in the armpit, groin, and neck?
A. Tonsils
B. Lymph Nodes
C. Thymus
D. GALT
A properly functioning immune system is responsible for
A. surveillance of the body.
B. recognition of foreign material
C. destruction of foreign material.
D. All of the choices are correct.
Which test is used to determine the ability of B. subtilis to produce nitrate reductase enzyme?
A. Gelatinase test
B. Amylase test
C. Nitrate Reduction Test
D. Casein hydrolysis test
In order for B cells to produce antibodies and cytotoxic T cells to attack infected host cells, they must first
A. undergo maturation, encounter their specific antigen target, and then become activated through cytokines.
B. be activated by interleukins, encounter an antigen, and then develop specificity toward it.
C. encounter an antigen, develop specificity for that antigen, and then remember the antigen
D. recognize self markers, develop specificity for the markers, and then produce clones
T/F: Gamma globulin can be given as immunotherapy to confer artificial passive immunity.
A. TRUE
B. FALSE
Which would most likely prevent a cold virus from spreading through a classroom?
A. Have a large supply of tissues on the teacher’s desk.
B. Have all students wash their hands regularly with soap.
C. Have all students shake hands regularly with all students.
D. Have all students wipe desk with dry paper towel as end of class.
What is the purpose of incubating the agar plate?
A. To prevent the growth of bacteria
B. To sterilize the agar
C. To speed up the growth of bacteria
D. To allow the bacteria to grow
High levels of tryptase in the blood is indicative of
A. a bacterial infection.
B. overuse of dietary supplements.
C. a viral and/or fungal infection.
D. high levels of degranulating mast cells suggesting an allergic reaction.
All of the following represent potential therapy for patients with SCID except
A. graft versus host.
B. transfusion with adensosine deaminase.
C. bone marrow transplants.
D. stem cell grafts.
All of the following are autoimmune diseases except
A. Graves’ disease.
B. metastatic cancer.
C. rheumatoid arthritis.
D. systemic lupus erythematosus.
The suffix –osis means ______.
A. blood
B. tumor
C. inflammation
D. a disease or morbid process
Which antibiotic was developed from a fungus and has been used to cure many illnesses that could have led to epidemics?
A. aspirin
B. ethanol
C. penicillin
D. acetaminophen
What can be a consequence of a genetic deficiency in B-cell survival and maturity?
A. Graft versus host disease
B. Formation of autoantibodies
C. Host rejection of graft
D. Hypogammaglobulinemia
The granules of eosinophils contain ______.
A. histamine
B. antigens
C. serotonin
D. peroxidase