NSG 550 exam 1 | Questions with 100% Verified Answers | Latest Update 2026/2027

NSG 550 exam 1 | Questions with 100% Verified Answers |
Latest Update 2026/2027
Question: Specificity
Answer: Looking for patients without disease. Low false positives.

Question: Sensitivity
Answer: Looking for patients with disease. Low false negatives.

Question: Sensitivity: Equation
Answer: TP
——————-
(TP+FN)

Question: Specificity: Equation
Answer: TN
—————
(TN+FP)

Question: American College of Radiology Appropriateness Criteria
Answer: Guidelines for ordering tests
Contrast vs. non-contrast
Compares radiation exposure

Question: What are NP's obligations for patient safety in testing?
Answer: Read Findings and Impression
Inconsistencies and incidentals..... follow up.
Deliver results to patients

Question: Ultrasound
Answer: Used for vessels, ovaries, testicles, soft tissue, abscess/cyst, thyroid, guide needle
biopsy,
stage tumor

Question: Vessels: imaging
Answer: Ultrasound & MRI

Question: Ovaries: imaging
Answer: Ultrasound

Question: Testicles: imaging
Answer: Ultrasound

Question: Soft tissue: imaging
Answer: Ultrasound & MRI

,Question: Abscess/ cyst/ blood clot: imaging
Answer: Ultrasound

Question: Thyroid: imaging
Answer: Ultrasound

Question: Thyroid: Non-blood test
Answer: Radioactive Iodine Uptake
High RAIU- Hyperthyroid
Low RAIU-
Hypothyroid
Use ultrasound to see where the iodine was absorbed.

Question: MRI
Answer: In depth look at:
Bone
Tissues
Vessels

Question: Bone: Imaging
Answer: MRI & X-ray & Nuclear med

Question: Testing bone densitometry
Answer: X-ray

Question: Microscopy
Answer: Culture and Sensitivity
Blood culture
Urinalysis

Question: Culture and sensitivity: test
Answer: Microscopy

Question: blood culture test
Answer: Microscopy

Question: urinalysis test
Answer: Microscopy

Question: X-ray
Answer: Bones and bone densitometry
Evaluate dye excretion
Detect breast cancer
Guide needle biopsy
Determine patency of fallopian tubes

,Question: Nuclear med
Answer: Bone scan
Thyroid scan = scintograpy

Question: Thyroid scan: name
Answer: Scintography

Question: Thyroid scan: testing
Answer: Nuclear med

Question: Bone scan
Answer: Nuclear med

Question: Renal tests
Answer: Urinalysis
CO2
PSA
Creatinine
Microalbumin
KUB
Renal Scan
Cystoscopy

Question: Gold Standard for first time kidney stone testing?
Answer: CT Scan

Question: Urinalysis: physical exam
Answer: Volume
Color
Clarity
Odor
Specific gravity

Question: Urinalysis: Chemical
Answer: PH
Red Blood Cells
White Blood Cells
Protein
Glucose
Urobilinogen
Bilirubin
Ketones
Leukocyte esterase
Nitrates
Microscopic casts
Cell crystals
Microorganisms

, Question: Best indicator for UTI
Answer: Bacteria of 5+
Leukocyte esterase present
WBC in urine

Question: Serum CO2
Answer: kidneys remove acid and maintain balance of HCO3.

Question: PSA
Answer: prostate-specific antigen
All prostates secrete
levels are by age and is a specific screening tool

Question: Creatinine
Answer: removed entirely by kidneys

Question: What is the best way to assess creatinine?
Answer: Follow it over time
Also test GFR and CrCl

Question: Microalbumin
Answer: Done by UA
Caused by diabetic neuropathy

Question: What are the ACR Practice Guidelines for Communication of
Diagnostic Imaging Findings?
Answer: Effective communication should:
1. promote optimal patient care while supporting the provider
2. be tailored to satisfy need for timeliness
3. Minimize communication errors

Question: What are blood studies used for?
Answer: Establish DX
R/O clinical problem
Monitor therapy
Establish Prognosis
Screen for disease

Question: What is the most common blood study?
Answer: Venous

Question: What are arterial blood studies used for?
Answer: Blood gasses
2 multiple choice options