Positive predictive value - Study guides, Class notes & Summaries

NURS 5220 Exam 2 Module 4, 7, 17, 18, 19, 20 QUESTIONS AND ANSWERS ALL CORRECT Unless a life-threatening situation exists, the best guide to determining the priority for the patient's condition should be based on: A. intuition. B. probability and utility. C. the use of algorithms. D. the examiner's initial favorite hypothesis. - CORRECT ANSWERS B Probability and utility should always be your guides to sequencing your actions, unless a life-threatening situation ...

Sample Volume / (Sample Volume + Diluent Volume) correct answers Dilution Formula True Positives / (True Positives + False Negatives) correct answers Sensitivity Equation True Negatives / (True Negatives + False Positives) correct answers Specificity Equation [Na+] + [K+] - ([Cl-] + [HCO3-]) correct answers Anion Gap Equation A = abc a = absorbance b = path length c = concentration correct answers Beer's Law Total cholesterol - (HDL + Triglycerides/5) correct answers LDL Equat...

. At an international nursing conference, many discussions and breakout sessions focused on the World Health Organization (WHO) views on health. Of the following comments made by nurses during a discussion session, which statements would be considered a good representation of the WHO definition? Select all that apply. A) Interests in keeping the elderly population engaged in such activities as book reviews and word games during social time B) Increase in the number of chair aerobics classe...

sensitivity of a lab test - ANSWER Ability to correctly identify or detect a disease or condition when it is present Specificity of a lab test - ANSWER ability to correctly exclude the disease or condition when it is not present specificity and sensitivity - ANSWER idenpendent of disease prevalence in a population Positive and negative predictive value - ANSWER dependent on disease prevalence

False Positive rate Definition - ANSWER Probability of classifying a non-diseased person as diseased Negative Predictive value-Calculation - ANSWER TN/(TN+FN) Positive Predictive value-Calculation - ANSWER TP/(TP+FP) False Negative Rate-Definition - ANSWER Probability of classifying a diseased person as

NR602 Pediatric Midterm Study Set with Complete SolutionsNR602 Pediatric Midterm Study Set with Complete SolutionsNR602 Pediatric Midterm Study Set with Complete SolutionsNR602 Pediatric Midterm Study Set with Complete SolutionsThe parent of a toddler is concerned that the child may have autism. The primary care pediatric nurse practitioner completes a Modified Checklist for Autism in Toddlers (M-CHAT) tool, which indicates several areas of concern. What will the nurse practitioner do? Administ...

HSC 404 Final Exam Questions And Answers D the degree of agreement among several trained experts refers to: A. internal consistency B. repeated measures C. concurrent validity D. inter-judge reliability E. both a and c B a test that determines whether disease is actually present is a: A. screening test B. diagnostic test C. reliability test D. none of the above B researchers establish 50 unites as a cut point above which a test is considered positive and thereby indicative...

Pathophysiology → ~:- The study of the cellular and organ changes that occur with disease and the effects that these changes have on total body function Reliability → ~:- Ability of a test to yield very similar scores for the same individual over repeated testings Validity → ~:- the extent to which a test measures or predicts what it is supposed to Sensitivity → ~:- Refers to the proportion of people with a disease who are positive for the disease on a given test ( true ...

NR511 Midterm Questions and Answers 100% Pass Define diagnostic reasoning Reflective thinking because the process involves questioning one's thinking to determine if all possible avenues have been explored and if the conclusions that are being drawn are based on evidence. Seen as a kind of critical thinking. What is subjective data? Anything the patient tells you or complains of regarding their symptoms Chief complaint HPI ROS What is objective data? Anything YOU can see, touch, feel, hear,...

Which setting should be lowered to the minimum level when beginning to evaluate the patient using the orbital window? a.) Output power b.) Doppler gain c.) Wall filter d.) Velocity scale - a.) Output power If the Doppler cursor angle is underestimated, the velocity of the flow will be _____________________ a.) Overestimated b.) Underestimated c.) Be unaffected d.) Dependent solely on the strength of the frequency shift - b.) Underestimated What is the Framingham risk score? - A gender...