Which mast cell stabilizer is available only as an ophthalmic solution?

Specimen collection in a patient's home may involve unusual positioning of the patient. What is the preferred position or location from which to collect a blood specimen from a homebound patient?

A) in the bathroom of the patient's home B) seated next to the kitchen table C) in a comfortable, reclining position D) all of the above

________ of restricting access to computer systems include fingerprints, handprints, retina or iris scans, lip prints, and facial thermography.

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