How to prepare for herniated disk surgery<br>Undergo a physical exam and complete any tests deemed necessary by your doctor--possibly a urine sample and an x-ray. You'll also need to supply your medical history. Make sure to note any allergies you have.
Tests may or may not be needed 
A: Yes

FRANKFURT (Reuters) - Swedish carmaker Volvo is preparing a hardware retrofit for some of its older diesel cars in Germany, according to a report by Der Spiegel magazine published on Monday. Volvo is working on the retrofit with catalyst producer Dr. Pley, which is based in Bamberg, Germany, it added.
Volvo is preparing a hardware retrofit for its older diesel models which will only be available in Germany. 
A: It's impossible to say

Last year's collapse of Italian dairy company Parmalat , with "14.3 billion euros that must still be accounted for", is given as evidence for "a lack of effective tools and controls regarding financial operations".
Last month's collapse of Italian dairy company Parmala was not accounted for
A: