Guide Questions with Correct
Verified Precise Answers Grade A
(Wilkes) (NEW 2026 Update)
Specificity
Looking for patients without disease. Low false positives.
Sensitivity
Looking for patients with disease. Low false negatives.
Sensitivity: Equation
TP
——————-
(TP+FN)
Specificity: Equation
TN
—————
(TN+FP)
American College of Radiology Appropriateness Criteria
Guidelines for ordering tests
Contrast vs. non-contrast
Compares radiation exposure
What are NP's obligations for patient safety in testing?
Read Findings and Impression
Inconsistencies and incidentals..... follow up.
Deliver results to patients
Ultrasound
Used for vessels, ovaries, testicles, soft tissue, abscess/cyst, thyroid, guide
needle biopsy, stage tumor
Vessels: imaging
, Ultrasound & MRI
Ovaries: imaging
Ultrasound
Testicles: imaging
Ultrasound
Soft tissue: imaging
Ultrasound & MRI
Abscess/ cyst/ blood clot: imaging
Ultrasound
Thyroid: imaging
Ultrasound
Thyroid: Non-blood test
Radioactive Iodine Uptake
High RAIU- Hyperthyroid
Low RAIU-
Hypothyroid
Use ultrasound to see where the iodine was absorbed.
MRI
In depth look at:
Bone
Tissues
Vessels
Bone: Imaging
MRI & X-ray & Nuclear med
Testing bone densitometry
X-ray
Microscopy
Culture and Sensitivity
Blood culture
Urinalysis
Culture and sensitivity: test
Microscopy
blood culture test
Microscopy
urinalysis test