Homework Answers
Given a person has a disease, the probability that person tests positive in the screening test is Sensitivity of the test.
Thus, 80% of those with diabetes had a positive screening test represents that the sensitivity of the test is 80%.
The screening measure best represents the following statement is Sensitivity.
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Question 25 0 out of 2 point Which screening measure best represents the following statement? Eighty...
Question 23 0 out of 2 points In the following table, which value represents "false positives"...
Question 23 0 out of 2 points In the following table, which value represents "false positives" in a screening test for diabetes? Condition According to Gold Standard (True Diagnosis) Positive Total Screening Test Result Positive Negative Total Negative 240 15 255 25 220 245 265 235 500
Question 25 (1 point) Which of the following test panel is best suited for determining the...
Question 25 (1 point) Which of the following test panel is best suited for determining the presence of liver involvement? a) Aldolase, Cholinesterase, Acid Phosphatase b) Alanine Transaminase(ALT), Alkaline Phosphatase, g-Glutamyl-Transpeptidase (GGT) c) Aspartate Transaminase(AST), Lactate Dehydrogenase (LD), Creatine Kinase (CK) d) CK-2, LD5 Question 26 (1 point) The lag phase is not affected by; a) size of cell injury b) temperature. c) pressure. d) molecular weight of enzyme being measured.
Question 5 (1 point) A 30 year old pregnant woman has a gestational diabetes mellituis screening...
Question 5 (1 point) A 30 year old pregnant woman has a gestational diabetes mellituis screening test performed at 26 weeks of gestation. Her serum glucose level is 8.1 mmol/L What should occur next? a) This confirms diabetes, give insulin b) This result is expected in a pregnant women c) This confirms diabetes, dietary restrictions d) This is suspicious of diabetes, an oral GTT should be performed Question 6 (1 point) Which of the descriptors of Type 1 diabetes mellitus...
Epidemiology question 3. ng the screening cut-off point affect sensitivity. specificity, PPV and NPV of the...
Epidemiology question
3. ng the screening cut-off point affect sensitivity. specificity, PPV and NPV of the test? Why? are the respective "costs" ring the screening cut-off point affect the number of false positives and false negatives associated with false positives and false negativesi ? What 5. sensitivity, PPV and NPV of the test? How would you expect raising the cut-off point to 220mg of blood glucose per 100ml to affect the specificity was repeated using the 130mg of blood glucose...
Which of the following statements best describes the validity of a test?
Question 18Which of the following statements best describes the validity of a test? How well the test performs in clinical practice over time How much disease can be detected with the screening process How well the test measures what it is supposed to measure How many people test positive More than one of the answers listedQuestion 19Which of the following is NOT a World Health Organization (WHO) guideline for planning and implementing screening programs? The disease or condition being screened for should be a major medical...
Which of the following best represents a measure of ecological density? number of frogs per meter...
Which of the following best represents a measure of ecological density? number of frogs per meter of pond shoreline number of mammals per meter number of birds per hectare
Using the figure below, which statement best describes what Urbilateria represents? (type 1, 2 or 3...
Using the figure below, which statement best describes what Urbilateria represents? (type 1, 2 or 3 in the blank) 1. A fictitious bilateral ancestor that represents the common ancestor between protostomes and deuterostomes 2. A factual fossilized bilateral ancestor that represents the common ancestor between protostomes and deuterostomes 3. A fictitious radial ancestor that represents the common ancestor between protostomes and deuterostomes The figure is illustrating the debate as to how protostomes and deuterostomes evolved segmentation. Which statement below best...
Which of the following best represents the null hypothesis for a sign test? a. p...
Which of the following best represents the null hypothesis for a sign test? a. p + q = 1.00 b. p – q c. p = q d. p = 0
Question 25 3 pts Which of the following best describes the pH at the equivalence point...
Question 25 3 pts Which of the following best describes the pH at the equivalence point in the titration of CH3NH2 with HCI? O acidic due to the presence of HCI O basic due to the presence of CH3NH2 acidic due to the presence of CH NH3 O basic due to the presence of OH
Which of the following graphs best represents the derivative of the functuon given in the table?...
Which of the following graphs best represents the derivative of the
functuon given in the table?
Which of the following graphs best represents the derivative of the function given in the table? x -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 f(x) -6.4 -2.7 -0.8 -0.1 0 0.1 0.8 2.7 6.4 -1.0 2 2 - 11
Question 23 0 out of 2 points In the following table, which value represents "false positives" in a screening test for diabetes? Condition According to Gold Standard (True Diagnosis) Positive Total Screening Test Result Positive Negative Total Negative 240 15 255 25 220 245 265 235 500
Question 25 (1 point) Which of the following test panel is best suited for determining the presence of liver involvement? a) Aldolase, Cholinesterase, Acid Phosphatase b) Alanine Transaminase(ALT), Alkaline Phosphatase, g-Glutamyl-Transpeptidase (GGT) c) Aspartate Transaminase(AST), Lactate Dehydrogenase (LD), Creatine Kinase (CK) d) CK-2, LD5 Question 26 (1 point) The lag phase is not affected by; a) size of cell injury b) temperature. c) pressure. d) molecular weight of enzyme being measured.
Question 5 (1 point) A 30 year old pregnant woman has a gestational diabetes mellituis screening test performed at 26 weeks of gestation. Her serum glucose level is 8.1 mmol/L What should occur next? a) This confirms diabetes, give insulin b) This result is expected in a pregnant women c) This confirms diabetes, dietary restrictions d) This is suspicious of diabetes, an oral GTT should be performed Question 6 (1 point) Which of the descriptors of Type 1 diabetes mellitus...
Epidemiology question
3. ng the screening cut-off point affect sensitivity. specificity, PPV and NPV of the test? Why? are the respective "costs" ring the screening cut-off point affect the number of false positives and false negatives associated with false positives and false negativesi ? What 5. sensitivity, PPV and NPV of the test? How would you expect raising the cut-off point to 220mg of blood glucose per 100ml to affect the specificity was repeated using the 130mg of blood glucose...
Using the figure below, which statement best describes what Urbilateria represents? (type 1, 2 or 3 in the blank) 1. A fictitious bilateral ancestor that represents the common ancestor between protostomes and deuterostomes 2. A factual fossilized bilateral ancestor that represents the common ancestor between protostomes and deuterostomes 3. A fictitious radial ancestor that represents the common ancestor between protostomes and deuterostomes The figure is illustrating the debate as to how protostomes and deuterostomes evolved segmentation. Which statement below best...
Question 25 3 pts Which of the following best describes the pH at the equivalence point in the titration of CH3NH2 with HCI? O acidic due to the presence of HCI O basic due to the presence of CH3NH2 acidic due to the presence of CH NH3 O basic due to the presence of OH
Which of the following graphs best represents the derivative of the
functuon given in the table?
Which of the following graphs best represents the derivative of the function given in the table? x -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 f(x) -6.4 -2.7 -0.8 -0.1 0 0.1 0.8 2.7 6.4 -1.0 2 2 - 11
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