Boc serology immunology Compilled Study Guides Solved Correctly By Experts () Package Deal !!

Blood is drwan from a patient for serological test for a viral disease at the time of onset and again 4 weeks later. The results of the test are considered diagnostic if the: - Answer second antibody titer is at least 4x the first Which of the following is most useful in establishing a diagnos...

Anti-extractable nuclear antigens are most likely associated with which of the following anti-nuclear antibody immunoflourescent patterns. a. speckled b. rim c. diffuse d. nucleolar - Answer A The most common label in the direct fluorescent antibody technique is: a. alkaline phosphatase ...

b - Answer 2. Cells known to be actively phagocytic include: a. neutrophils, monocytes, basophils b. neutrophils, eosinophils, monocytes c. monocytes, lymphocytes, neutrophils d. lymphocytes, eosinophils, monocytes c - Answer 20. Nonspecific killing of tumor cells is carried out by a. ...

b (lupus erythematosus) - Answer 1) Antinuclear antibody tests are performed to help diagnose? a) acute leukemia b) lupus erythematosus c) hemolytic anemia d) Crohn disease c (Crithida lucilia) - Answer 2. In the anti-double-stranded DNA procedure, the antigen most commonly utilized is:...

c (avidity) - Answer 48. The strength of a visible reaction is known as: a) prozone reaction b) absorption c) avidity d) elution a (precipitin lines cross, forming double spurs) - Answer 49. Which of the following describes an antigen-antibody precipitation reaction of non-indentity? a...

Antinuclear antibody tests are performed to help diagnose - Answer lupus erythematosus In the anti-double-stranded DNA procedure, the antigen most commonly utilized is - Answer Crithida lucilia Sera to be tested for IFA-ANA 6 days after drawing is best stored at - Answer 5 +/- 2 An...

From the following, identify a specific component of the adaptive immune system that is formed in response to antigenic stimulation: A.lysozyme B.complement C.commensal organisms D.immunoglobulin - Answer D. Immunoglobulin Which region of the immunoglobulin molecule can bind to an antigen?...

Characteristics of Immunogens (Antigens) that affect Immunogenicity - Answer 1. Large molecule (at least 10 KDa) 2. High complexity (simple repeating units don't make good immunogens) 3. Chemical composition (proteins and polysachs. are better than carbs, lipids & nucleic acids) 4. Foreignnes...

2) In the anti-double-stranded DNA procedure, the antigen most commonly utilized is: A) rat stomach tissue B) mouse kidney tissue C) Crithidia luciliae D) Toxoplasma gondii - Answer C 9) Systemic lupus erythematosus patients with active disease often have which of the following test result...

Tuberculosis is an infectious disease that affects humans. It is caused by a pathogen Which of the following plant diseases is caused by the same type of pathogen that causes tuberculosis in humans? A black sigatoka in bananas B 'mosaic' leaf discolouration in tobacco plants C ring rot i...

Changes to the protein coat of the influenza virus cause antigenic variability. Explain how antigenic variability has caused some people to become infected more than once with influenza viruses. (2) - Answer Memory B cells do not recognise new antigens; Antibodies previously produced are not ef...

If a sheep is injected with the box jellyfish venom on more than one occasion a higher yield of antivenom is obtained. Explain why. - Answer T-memory cells and B-memory cells are stimulated as they recognise the antigen Inducing a secondary immune response With complementary antivenom produced ...

Immunology - Answer Study of hosts reaction when foreign substances are introduced into the body. Immunity - Answer Condition of being resistant to infection. Immunity - Answer State of protection from infectious disease. Antigen - Answer Foreign Substance Any substance that ma...

How do natural killer cells kill pathogens? - Answer form holes in the pathogen What is a function of dendritic cells? - Answer activate helper T cells What causes swelling during an inflammatory response? - Answer increased capillary permeability A child receives the MMR vaccine. ...