Which special patient populations would likely require diagnostic biopsies for verification of cryptosporidiosis, candidiasis, or cytomegalovirus infections?

The brain connects to the spinal cord through a large opening at the base of the skull called the:

A. foramen magnum. B. spinous foramen. C. foramen ovale. D. vertebral foramen.

The abbreviation DNR stands for Do Not __________

Fill in the blank(s) with the appropriate word(s).