Which is the principal isotype found in mucosal secretions?

A physician office visit for a 9-year-old, whose mother makes minimum wage and cannot afford to pay her portion of her employer's health insurance plan, may be covered by

A) Medicare Part B B) CHIP C) Medicaid D) Medicare Part A

The circle of Willis is a:

a. network of connected arteries at the base of the brain b. structure of supporting connective tissue for the brain c. complex neural network that connects the two hemispheres of the brain d. series of channels and foramina within the cerebrospinal fluid network of the brain