NSG550/ NSG 550 (Latest 2024/ 2025 Update)
Diagnostic Reasoning for Nurse Practitioners Review|
Questions and Verified Answers| 100% Correct| Grade A
clinical reasoning - ANSWER understanding of the situation,
knowledge of disease process and findings,
decision making for testing.
never guessing
Specificity - ANSWER looking for patients without the diseases (screening) --false
positive
Sensitivity - ANSWER looking for patients with the disease ---false negative
CRP and PSA - ANSWER examples of specific
HCG - ANSWER examples of sensitive
accuracy - ANSWER does test measure what it is supposed to
Precision - ANSWER Does test produce same results when repeated
Ultrasound - ANSWER looks at vessels ---Venous arterial duplex
soft tissue for abscess/cyst or thyroid is looked at using what test - ANSWER
ultrasound
what's used to determine lumps, fluid, stage tumor, pregnancy, arterial and venous
disorders - ANSWER Ultrasound
US for motion - ANSWER B-scan and M-mode scan
Doppler ultrasound - ANSWER amplifies sound
duplex scanning - ANSWER real time + color flow
what can get in the way of an ultrasound - ANSWER Air, Fat and movement
carotid artery duplex scan - ANSWER type of ultrasound, identifies occlusive
disease
doppler is what type of test - ANSWER ultrasound
recommended for patients with CVA, PVD, TIA, dizziness, speech problems and
visual problems and bruits - ANSWER Carotid artery duplex Scan
, Microscopic studies - ANSWER has to do with infectious organism. example is
culture and sensitivity, blood culture and UA
Biopsy, culture, PAP, gram staining and pathological conditions - ANSWER
examples of microscopic studies
CT scan - ANSWER a series of x-ray photographs taken from different angles
x-rays - ANSWER bones and bone densitometry . also used for bone disorders,
detect breast cancer, guide needle biposy,see fallopion tubes
types of x-ray - ANSWER Fluorscopy, Tomography,contrast,angiography, Barium
fluorsocopy - ANSWER view motion and barium MVM
Tomography - ANSWER CT scan makes 3D image
Contrast Iodine in x-rays - ANSWER Iodine contraindication: renal disease, DM,
allergy to shellfish and dehydration and pheochromcytoma HTN
--lactic acidosis can be caused so stop oral DM medication 48hrs before
angiography - ANSWER type of fluoroscopy which is done for vascular tumor
surgery
Barium contradiction when used in x-ray - ANSWER perforation and colitis
pyelography - ANSWER type of x-ray study that uses contrast to visualize kidneys ,
reanl and pelvis
Kidney, ureter, bladder (KUB) - ANSWER type of x-ray for abdominal problems and
calculi, obstruction or masses
mammogram is what type of scan - ANSWER x-ray
What is a DEXA scan used for? - ANSWER Diagnosing osteoporosis
How does a DEXA scan work? - ANSWER It uses X-rays to measure bone density
Who should undergo routine screening with DEXA scans? - ANSWER Menopausal
women, every 2 years
What is a nuclear scan also known as? - ANSWER Bone scan and thyroid scan
(scintigraphy)
What can a nuclear scan detect? - ANSWER Cancer stage, GI bleed, embolism,
brain scan, thyroid nodules, testicular swelling, and heart function
What is commonly used in nuclear scans? - ANSWER Technetium
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