Mrs. Anderson presents with an itchy rash which is raised and appears and disappears in various locations. Each lesion lasts for several minutes. What most likely accounts for this rash?
A. Insect bites
B. Urticaria, or hives
C. Psoriasis
D. Purpura

Which of the following is an argument against buying local fruits and vegetables?

What is a possible consequence of abusing intravenous drug such as heroin? a-hiv transmission b-alcohol poisoning c-improving appetite d-lung cancer

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