Which of the following tests would analyze cerebrospinal fluid?
myelogram
BUN
lumbar puncture
IVP
The Correct Answer is C
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. degranulation: Mast cells initiate inflammation by degranulation, releasing histamine, heparin and other mediators that increase vascular permeability and vasodilation.
B. opsonization: Opsonization is tagging pathogens (by antibodies or complement) to enhance phagocytosis - not how mast cells initiate inflammation.
C. endocytosis: Endocytosis is cellular uptake of material; mast-cell–mediated initiation of inflammation occurs via mediator release, not endocytosis.
D. chemotaxis: Chemotaxis is directional migration of leukocytes toward chemical signals; mast-cell mediators promote chemotaxis but the initiating action is degranulation.
Correct Answer is A
Explanation
A. impaired immunity: Allergies are disorders of the immune system (hypersensitivity reactions)-an abnormal immune response to otherwise harmless antigens.
B. traumatic: Trauma refers to physical injury (mechanical/thermal), not immune hypersensitivity.
C. hyperplasia - neoplasms: Hyperplasia and neoplasia describe excessive cell growth/tumors, unrelated to allergic mechanisms.
D. infection-inflammation: While allergies can cause inflammation, they are not caused by infectious agents; they are immune-mediated, not infectious diseases.
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