The pigment retinal is synthesized from what vitamin?

Which of the following choices best defines "diagnostic results"?

A. a diagnosis that is considered to be very plausible by the physician because of the findings, data, and information gathered about the presenting problem and the patient B. the results of any laboratory, pathology, radiology, medical, or other diagnostic testing to determine a final diagnosis; may be presented in a variety of forms, including, but not limited to, a report, itemized results, images, scans, or compiled records C. a diagnosis intended to do one of two things: either prove that a specific diagnosis is the definitive diagnosis through diagnostic testing, data, and findings, or dismiss it from any future consideration as the final diagnosis of the presenting problem D. considered to be an uncertain likelihood, but one that could be the final diagnosis

Overall, in comparison to the national health care or insurance systems in other countries, the Affordable Care Act is ____

A) much more stable B) strong on administrative efficiency but weak on concentration of payer power C) much more fragile D) strong on cost control but weak on social sharing