NSG 550 Diagnostics Exam 1 Questions and Correct Answers/ Latest Update / Already Graded

Page |1


NSG 550 Diagnostics Exam 1 Questions
and Correct Answers/ Latest Update /
Already Graded
precision of a test

Ans: Ability of the test to yield the same results on multiple
trials using the same sample (repeatability)


accuracy of a test

Ans: does the test measure what is is designed to measure


Sensitivity

Ans: determine who has the disease
highly sensitivity gives low false NEG


Specificity

Ans: determine who does NOT have the disease
highly specific gives low false POS


Choosing Wisely Campaign




All rights reserved © 2025/ 2026 |

, Page |2


Ans: 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)

Ans: Stimulates adrenal cortex to release glucocorticoids
(cortisol)
response to stress
fights infection
regulates blood sugar and blood pressure and metabolism


who makes acth

Ans: pituitary gland


what to draw when looking for endocrine disease process

Ans: acth
cortisol



All rights reserved © 2025/ 2026 |

, Page |3



cushings syndrome vs disease

Ans: disease too much acth and cortisol
syndrome too much cortisol


Addison's disease

Ans: a condition that occurs when the adrenal glands do not
produce enough cortisol or aldosterone


cortisol

Ans: stress hormone released by the adrenal cortex


High ACTH levels and high cortisol

Ans: Cushing Disease or Ectopic ACTH production


high acth and low cortisol

Ans: Addison's disease


Low ACTH, high cortisol

Ans: Cushing syndrome

All rights reserved © 2025/ 2026 |