A Patient Is Diagnosed with Systemic Lupus Erythematosus (SLE)

question 6

Multiple Choice

A patient is diagnosed with systemic lupus erythematosus (SLE) .What does the nurse understand is included in the pathophysiology that occurs in this autoimmune disorder?

• A) Systemic tissue destruction initiated by sensitized T cells attacking DNA antigens and releasing lymphokines
• B) A deficiency of T suppressor (CD8)cells,allowing unchecked destruction of all organ tissue by T cytotoxic cells
• C) Activation of the complement cascade as a result of IgM binding with viral antigens,causing cytolysis of vascular tissue
• D) DNA released into the circulation and reacting with an antibody

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Definitions:

Oil-Immersion Lens

A microscope lens designed to be used with a drop of oil between the lens and the slide, improving resolution by reducing light refraction.

Fine Focus Knob

A control mechanism on microscopes used to make precise adjustments to the focus, sharpening the image of the specimen.

Coarse Focus Knob

A control mechanism on microscopes used for making large adjustments in focus, allowing for the initial focusing of the microscope lens on the specimen.

Lens-Cleaning Solution

A specially formulated liquid used in the maintenance of optical lenses to remove dust, fingerprints, and smudges.