Kelly is crime scene Investigator. She is examining a staln that she suspects is blood. Presumptive tests Indicate blood, so she is choosing which confirmatory test to use. What are the disadvantages of confirmatory tests?
Kelly considers using the Kastle-Mayer test to confirm whether the staln blood; however, she knows that it could be unreliable
because the stain is on a leather boot. Kelly considers using the
test, but she believes the stain may be about 35 years
old, and this test is not as reliable for stains over 20 years.

Insulin is a peptide therapeutic used to manage type 1 diabetes, which affects more than 20 million people worldwide according to the international diabetes federation. a significant limitation to the broad distribution and use of insulin to treat type 1 diabetes is the fact that it must be administered by injection rather than orally. why is insulin administered by injection and not orally?

When you have proper posture, your back is arched. a. true b. false

Adouble-blinded trial for a new indication is conducted under an ind comparing two (2) marketed drugs, at twice the approved prescribed doses. on day 2, subject 603 had difficulty breathing. although it was life-threatening initially, subject 603 was treated and discharged directly from the emergency department after complete recovery. on day 5, subject 20 had a headache, which led to hospitalization and required blood pressure lowering medications. these episodes cannot be explained on the basis of the pharmacological property of either drug or the subjects' medical histories. the investigator would submit an sae report for