Negative predictive value - Study guides, Class notes & Summaries

NR511 Final Exam 2024 Updated Exam Define diagnostic reasoning - Answer --A type of critical thinking -Includes systematic way of thinking that evaluates each new piece of data to support some hypothesis and reduce others -Evaluates if all the avenues have been explored and that the conclusion is based on evidence -To solve problems, promote health, screen for dz/illness: all require sensitivity to complex stories, contextual factors, sense of probability/uncertainty Discuss & identify ...

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...

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...

What is the next step for a trauma patient with abdominal pain after they receive a FAST scan? - ️️Stable patient + positive FAST --> CT Unstable patient + negative FAST --> repeat FAST or DPL Unstable patient + positive FAST --> laparotomy Antidote to organophosphate poisoning - ️️Pralidoxime (PAM-2) Atropine, titrate to drying of bronchial secretion (First step is decontamination of patient) Antidote to beta blocker toxicity - ️️Glucagon + Insulin Pulsus alt...

TEST BANK for Dulcan's Textbook of Child and Adolescent Psychiatry, 3rd Edition ISBN 978-1-61537-327-7 Verified Answers From Publisher Contents Questions C H A P T E R 1 Assessing Infants and Toddlers 1 C H A P T E R 2 Assessing the Preschool-Age Child 2 C H A P T E R 3 Assessing the Elementary School–Age Child 4 C H A P T E R 4 Assessing Adolescents 5 C H A P T E R 5 Classification of Psychiatric Disorders 7 C H A P T E R 6 The Process of Assessment and Diagnosis 9 C H A P T ...

What is considered normal variability? correct answer: single results within 2 SDs (= within 95% confidence interval) Two types of statistical control charts correct answer: X-bar- continuous variables (quantitative results, TAT), allows to determine upper and lower control limits. p-chart- for binary parameters (e.g. yes/no responses when notification about critical values was issued). Calculation of upper and lower control limits for X-bar correct answer: Lower control limit = m - 3S...

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

Power BI DA EXAM 2024 -100: Analyzing Data with Microsoft Power BI. What are the divisions of the core components of analytics? correct answer- To analyze data, core components of analytics are divided into the following categories: -Descriptive -Diagnostic -Predictive -Prescriptive -Cognitive What are descriptive analytics? correct answer- Descriptive analytics help answer questions about what has happened based on historical data. Descriptive analytics techniques summarize large data...

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 ...