Which tax form must be filed by employers four times per year (quarterly) to report income taxes withheld?

A 5-year-old male is diagnosed with immune thrombocytic purpura (ITP). What is the most common cause of this condition?

a. Normal postnatal platelet lysis b. Virally induced antibody destruction of platelets c. An allergic reaction to vaccinations d. Maternal antibodies that target platelets in the neonate

Underlining key points and writing reminders or suggested actions in the margin when reading incoming mail is called ________.

A. annotating B. opening C. sorting D. distributing E. recording