A child fell off the swing and scraped his right knee. The injured area becomes painful. What else might the nurse observe during the assessment?
edema at the injured site
decreased RBC concentration at the injured site
pale skin at the injured site
vasoconstriction at the injured site
The Correct Answer is A
A. edema at the injured site: Inflammation after tissue injury commonly produces localized edema (swelling), along with pain, redness and warmth.
B. decreased RBC concentration at the injured site: RBCs are not characteristically decreased locally; bleeding would increase RBCs in the wound.
C. pale skin at the injured site: Inflammation typically causes redness (hyperemia), not pallor.
D. vasoconstriction at the injured site: Acute inflammation features vasodilation, increasing blood flow to the area.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. hay fever: Hay fever (allergic rhinitis) is a classic Type I (IgE-mediated) hypersensitivity reaction.
B. eczema: Atopic eczema/dermatitis is commonly associated with Type I (IgE-mediated) hypersensitivity in atopic individuals (though it’s multifactorial) - therefore it can be a Type I example.
C. anaphylaxis: Anaphylaxis is the extreme systemic form of Type I hypersensitivity (IgE-mediated).
D. glomerulonephritis: Many forms of glomerulonephritis are immune complex–mediated (Type III) or antibody-mediated (Type II), not Type I IgE-mediated hypersensitivity.
Correct Answer is C
Explanation
A. myelogram: A myelogram is an imaging study in which contrast is injected into the subarachnoid space to visualize the spinal canal on x-ray/CT - it is primarily imaging, not the laboratory analysis of CSF.
B. BUN: Blood urea nitrogen is a blood chemistry test (kidney function) and does not analyze cerebrospinal fluid.
C. lumbar puncture: A lumbar puncture (spinal tap) is the procedure used to collect cerebrospinal fluid for laboratory analysis (cells, glucose, protein, culture, etc.).
D. IVP: An intravenous pyelogram (IVP) is an imaging study of the urinary tract using contrast - unrelated to CSF.
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