NSG 550 Diagnostics Exam 1 Questions With Correct Answers.
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Course
NSG 550
Institution
NSG 550
NSG 550 Diagnostics Exam 1 Questions With
Correct Answers.
Precision of a test - answerAbility of the test to yield the same results on multiple trials using
the same sample (repeatability)
accuracy of a test - answerdoes the test measure what is is designed to measure
Sensitivity - answerdete...
NSG 550 Diagnostics Exam 1 Questions With
Correct Answers.
Precision of a test - answer✔✔Ability of the test to yield the same results on multiple trials using
the same sample (repeatability)
accuracy of a test - answer✔✔does the test measure what is is designed to measure
Sensitivity - answer✔✔determine who has the disease
highly sensitivity gives low false NEG
Specificity - answer✔✔determine who does NOT have the disease
highly specific gives low false POS
Choosing Wisely Campaign - answer✔✔Developed by the American Board of Internal Medicine
to aims to promote conversations between physicians and patients by helping patients choose
care that is:
Supported by evidence
Not duplicative of other tests or procedures already received
Free from harm
Truly necessary
ACTH (adrenocorticotropic hormone) - answer✔✔Stimulates adrenal cortex to release
glucocorticoids (cortisol)
response to stress
fights infection
regulates blood sugar and blood pressure and metabolism
who makes acth - answer✔✔pituitary gland
what to draw when looking for endocrine disease process - answer✔✔acth
cortisol
cushings syndrome vs disease - answer✔✔disease too much acth and cortisol
Addison's disease - answer✔✔a condition that occurs when the adrenal glands do not produce
enough cortisol or aldosterone
cortisol - answer✔✔stress hormone released by the adrenal cortex
High ACTH levels and high cortisol - answer✔✔Cushing Disease or Ectopic ACTH production
high acth and low cortisol - answer✔✔Addison's disease
Low ACTH, high cortisol - answer✔✔Cushing syndrome
Low ACTH, low cortisol - answer✔✔hypopituitarism
ACTH stim test - answer✔✔250 mcg Cosyntropin; measure cortisol before & 30 & 60 min after
injxn; pre or post >18: R/O adrenal insuff
Aldosterone - answer✔✔"salt-retaining hormone" which promotes the retention of Na+ by the
kidneys. na+ retention promotes water retention, which promotes a higher blood volume and
pressure
antidiuretic hormone (ADH) - answer✔✔influences the absorption of water by kidney tubules
cause of low osmolality - answer✔✔low adh
DI
Antithyroidglobulin antibody - answer✔✔level of antibodies
protein found in thyroid cells
less than 116IU
Anion Gap - answer✔✔Difference between the concentrations of serum cations and anions:
determined by measuring the concentrations of sodium cations and chloride and bicarbonate
anions.
low anion gap - answer✔✔hypoalbuminemia
high anion gap - answer✔✔diabetic ketosis, due to increased amount of ketones acquired from
diet
diarrhea
poision
dehydration
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