NSG550 / NSG 550 Exam 3 (Latest 2025/ 2026 Update):Diagnostic Reasoning for Nurse Practitioners |Complete Questions and Guide Answers, 100% Verified Graded A+ Wilkes

NSG550 (NSG 550) EXAM 3
DIAGNOSTIC REASONING FOR NURSE PRACTITIONERS

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,What is the difference between MRI and MRA? -
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ANSWER >>>MRI = Magnetic Resonance Imaging. CANNOT gi
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ve you any information on blood vessels, just structures and v
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entricles.

MRA = Magnetic Resonance Angiography -
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Can look at the blood vessels .. should be ordered if there's a c
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oncern for an occlusion c c c




What is a mammography? - ANSWER >>>-x-
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ray imaging of the breast tissue for early signs of cancer. It is th
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e only way to detect microcalcifications
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,What is BI-RADS? - c c c


ANSWER >>>Breast Imaging Reporting and Data System
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-
Includes breast density on every single report and summary o
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f findings
c




Bi-Rad System Grading 0-6 - c c c c


ANSWER >>>Stage 6; known malignancy/they already know
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they have breast cancer, they've already had a biopsy and are
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positive for breast cancer. The indication of the test would be t
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o see if the patient is responding to treatment/progression to
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disease.
Stage 5; highly suggestive of malignancy; get a follow-
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up biopsy
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Stage 4; suspicious; consider biopsy Stage 3;
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probably benign, short term f/u Stage 2; beni c c c c c c c


gn
Stage 1; negative c c



Stage 0; incomplete c c




Other pertinent information in the Bi-RADS report -
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ANSWER >>>-Patient information
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-imaging findings c


-
universal discussion of findings/assessment so everyone can
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communicate to eachother (providers, radiologists, oncologis c c c c c


ts),

, -density of breast tissue c c c



-clinical correlations c


-summary of findings c c




Importance of cervical screenings (like a papsmear) - c c c c c c c


cANSWER >>>A papsmear is the brushing of the cervix that r
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emoves sell, sent off to detect cancer. c c c c c c


-
It is essential to make sure there is an adequate amount of sa
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mple to send off! (That's why we do a pap smear before the pe
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lvic exam). c




Papsmear abnormalities - c c


cANSWER >>>Pap smear abnormalities refer to various types o
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f cell changes in the cervix that may indicate the presence of HP
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V or precancerous conditions.
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examples of papsmear results are... c c c c



-squamous cell abnormalities, c c



-glandular abnormalities, c



-hpv,
-ASC-
US (atypical squamous cells of undetermined significance
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.. this is inconclusive and may require a coloscopy)
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-ASC-H (atypical squamous cells - cannot exclude high-
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cgrade / suggestive of cancer) c c c c