NSG 550: Exam 1 ( Updated 2025 ) 1 100 Complete Questions & Answers (Solved) 100%

NSG 550: Exam 1 ( Updated 2025 ) 1 100
Complete Questions & Answers (Solved)
100%




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
Microscopy
X-ray