Exam 1: NSG550/ NSG 550 (Latest 2025/ 2026 Update) Diagnostic Reasoning for Nurse Practitioners Review| Questions with Verified Answers| 100% Correct| Grade A.

Exam 1: NSG550/ NSG 550 (Latest 2025/ i,- i,- i,- i,- i,- i,- i,-




2026 Update) Diagnostic Reasoning for i,- i,- i,- i,- i,-




Nurse Practitioners Review| Questions with
i,- i,- i,- i,- i,-




Verified Answers| 100% Correct| Grade A. i,- i,- i,- i,- i,-




What is a doppler Ultrasound?
i,- i,- i,- i,- i,-i,- i,- amplifies sound waves i,- i,-




What is a color flow doppler on ultrasound?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- detects direction i,- i,-



of blood flow
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What is duplex scanning?
i,- i,- i,- i,-i,- i,- Real time + color flow
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What can get in the way of a clear ultrasound image?
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- Air, i,-




Fat, i,-




Movement


Urine tests: Types
i,- i,- i,-i,- i,- 1st morning
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Random
Timed
Double voided i,-




Culture and Sensitivity
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,24 hour
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What is the advantage of a 1st morning urine test?
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- Best fori,- i,-



protein and nitrates i,- i,-




1st morning urine test
i,- i,- i,- i,-i,- i,- Void before bed, theni,- i,- i,-




Void in the AM
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Advantage of a random urine test i,- i,- i,- i,- i,- i,-i,- i,- Convenient


How is a timed urine test done?
i,- i,- i,- i,- i,- i,- i,-i,- i,- 2 hours after meal
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Discard the first void, then start timer and collect until end time.
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When is a urobilinogen test done?
i,- i,- i,- i,- i,- i,-i,- i,- Between 2pm - 4pm. i,- i,- i,-




Benefit of a double voided urine test?
i,- i,- i,- i,- i,- i,- i,-i,- i,- Fresh Urine i,-




How to do take a culture and sensitivity urine test?
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- Sterile i,-



container.

,Clean meatus. i,-




Collect midstream after urinating into the toilet a little bit.
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24 hour urine collection: directions
i,- i,- Discard 1st of the day,
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then start collection. Ends next day after AM void.
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Keep on ice/fridge.
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What kind of dye excretion can be seen on X-ray?
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tract
arterial occlusion i,-




GI tract w/ barium
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Bone disorders i,-




Tracheobronchial tree i,-




Pulmonary system i,-




Cardiac system i,-




Abd pain i,-




Trauma


Specificity i,-i,- i,- Looking for patients without disease. Low false
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positives.

, Sensitivity i,-i,- i,- Looking for patients with disease. Low false
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negatives.


Sensitivity: Equation i,- i,-i,- i,- TP
——————-
(TP+FN)


Specificity: Equation i,- i,-i,- i,- TN
—————
(TN+FP)


American College of Radiology Appropriateness Criteria
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Guidelines for ordering tests
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Contrast vs. non-contrast
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Compares radiation exposure
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What are NP's obligations for patient safety in testing?
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Findings and Impression
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Inconsistencies and incidentals..... follow up. i,- i,- i,- i,-