This topic contains a solution. Click here to go to the answer

Author Question: A new tumor marker assay for prostate specific antigen (PSA) is evaluated for sensitivity by testing ... (Read 127 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
A new tumor marker assay for prostate specific antigen (PSA) is evaluated for sensitivity by testing serum samples from patients who have been diagnosed as having prostate cancer.
 
  The following results were obtained:
  Number of prostate cancer patients who tested positive by the new assay = 42 out 46
  Number of patients who did not have cancer and tested negative by the new assay = 31 out of 32
  What is the sensitivity of the new assay for PSA?
  A. 98.0
  B. 95.0
  C. 91.3
  D. 88.5

Question 2

Uric acid may be determined with:
 
  A. The enzyme urease.
  B. The enzyme uricase.
  C. Formation of a blue color with phosphotungstic acid.
  D. Formation of a red color with diazotized sulfanilic acid.
  E. Both B and C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jomama

  • Sr. Member
  • ****
  • Posts: 346
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly





 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

For a complete list of videos, visit our video library