QUES: In 1968 Ronald Melzack and Kenneth Casey described pain in terms of its three dimensions: "sensory-discriminative" (sense of the intensity, location, quality and duration of the pain), "affective-motivational" (unpleasantness and urge to escape the unpleasantness), and "cognitive-evaluative" (cognitions such as appraisal, cultural values, distraction and hypnotic suggestion). They theorized that pain intensity (the sensory discriminative dimension) and unpleasantness (the affective-motivational dimension) are not simply determined by the magnitude of the painful stimulus, but "higher" cognitive activities can influence perceived intensity and unpleasantness. Cognitive activities "may affect both sensory and affective experience or they may modify primarily the affective-motivational dimension. Thus, excitement in games or war appears to block both dimensions of pain, while suggestion and placebos may modulate the affective-motivational dimension and leave the sensory-discriminative dimension relatively undisturbed." (p. 432) The paper ends with a call to action: "Pain can be treated not only by trying to cut down the sensory input by anesthetic block, surgical intervention and the like, but also by influencing the motivational-affective and cognitive factors as well." (p. 435)

What did Melzack and Casey theorize could influence the perception of the magnitude of pain?
What is the answer?
ANS: cognitive activities
QUES: The hole walls for boards with two or more layers can be made conductive and then electroplated with copper to form plated-through holes.  These holes electrically connect the conducting layers of the PCB. For multi-layer boards, those with three layers or more, drilling typically produces a smear of the high temperature decomposition products of bonding agent in the laminate system. Before the holes can be plated through, this smear must be removed by a chemical de-smear process, or by plasma-etch. The de-smear process ensures that a good connection is made to the copper layers when the hole is plated through. On high reliability boards a process called etch-back is performed chemically with a potassium permanganate based etchant or plasma. The etch-back removes resin and the glass fibers so that the copper layers extend into the hole and as the hole is plated become integral with the deposited copper.

What type of boards undergo the etch-back process?
What is the answer?
ANS: high reliability
QUES: Strasbourg (/ˈstræzbɜːrɡ/, French pronunciation: ​[stʁaz.buʁ, stʁas.buʁ]; Alsatian: Strossburi; German: Straßburg, [ˈʃtʁaːsbʊɐ̯k]) is the capital and largest city of the Alsace-Champagne-Ardenne-Lorraine (ACAL) region in eastern France and is the official seat of the European Parliament. Located close to the border with Germany, it is the capital of the Bas-Rhin département. The city and the region of Alsace were historically predominantly Alemannic-speaking, hence the city's Germanic name. In 2013, the city proper had 275,718 inhabitants, Eurométropole de Strasbourg (Greater Strasbourg) had 475,934 inhabitants and the Arrondissement of Strasbourg had 482,384 inhabitants. With a population of 768,868 in 2012, Strasbourg's metropolitan area (only the part of the metropolitan area on French territory) is the ninth largest in France and home to 13% of the ACAL region's inhabitants. The transnational Eurodistrict Strasbourg-Ortenau had a population of 915,000 inhabitants in 2014.

Strasbourg has an official seat in what parliament?
What is the answer?
ANS:
European