What is the null hypothesis for the above urine test for glucose? that glucose in the urine is a consequence of supernatural events that glucose in the urine is not a consequence of natural events that glucose in the urine is not a consequence of diabetes that glucose in the urine is a consequence of diabetes all of the above Compared to the above urine test, a blood test for glucose is more accurate in avoiding both false positive and false negative results in identifying diabetic patients. If a blood test for glucose correctly identifies 90% of diabetic patients, but gives false-positive results for 12% of non-diabetic patients, then: the blood glucose test has improved sensitivity, but reduced specificity (compared to the urine test) the blood glucose test has improved neither sensitivity nor specificity (compared to the urine test) the blood glucose test has reduced both sensitivity and specificity (compared to the urine test) the blood glucose test has improved both sensitivity and specificity (compared to the urine test) the blood glucose test has improved specificity, but reduced sensitivity (compared to the urine test)

Ebk:Nutrition & Diet Therapy
10th Edition
ISBN:9780357391747
Author:DEBRUYNE
Publisher:DEBRUYNE
Chapter21: Carbohydrate- Controlled Diets For Diabetes Mellitus
Section: Chapter Questions
Problem 6SC
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What is the null hypothesis for the above urine test for glucose?

  1. that glucose in the urine is a consequence of supernatural events
  2. that glucose in the urine is not a consequence of natural events
  3. that glucose in the urine is not a consequence of diabetes
  4. that glucose in the urine is a consequence of diabetes
  5. all of the above
  1. Compared to the above urine test, a blood test for glucose is more accurate in avoiding both false positive and false negative results in identifying diabetic patients. If a blood test for glucose correctly identifies 90% of diabetic patients, but gives false-positive results for 12% of non-diabetic patients, then:
  2. the blood glucose test has improved sensitivity, but reduced specificity (compared to the urine test)
  3. the blood glucose test has improved neither sensitivity nor specificity (compared to the urine test)
  4. the blood glucose test has reduced both sensitivity and specificity (compared to the urine test)
  5. the blood glucose test has improved both sensitivity and specificity (compared to the urine test)
  6. the blood glucose test has improved specificity, but reduced sensitivity (compared to the urine test)

 

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