Medical-surgical Nursing Demystified

(Sean Pound) #1

CHAPTER 10 Integumentary System^415


Blood testing can also be performed to identify antibodies for the particular type
of Herpes virus.


Potassium Hydroxide Preparation


(KOH)


This test is done to provide a rapid, differential diagnosis of fungal infections of
the hair, skin, or nail. A solution of KOH mixed with a blue-black dye is added to
a slide containing cells from the infected tissues, and the slide is viewed under a
microscope.


Radioallergosorbent Test


(RAST)


This is a blood test used to screen for an allergy to a specific substance or sub-
stances. It measures the amount of IgE antibody that reacts specifically with the
suspected allergen.


Additional Blood Test


Rapid plasma regain (RPR), Venereal Disease Research Laboratory (VDRL), flu-
orescent treponema antibody test (FTA-ABS), treponema pallidum partiate agglu-
tinate(TP-PA)are blood tests used to diagnose syphilis.


Quiz



  1. When assessing a suspicious skin lesion, you are looking for A—asym-
    metry, B—irregular borders, C—variegated colors, D—diameter, and
    E—
    (a) edema.
    (b) erythema.
    (c) elevation.
    (d) ever-changing.

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