So no, routine blood tests don't test for cancer. And even if they could, they probably shouldn't (unless they are very, very good tests). If a person has other information - symptoms, family history,etc, this changes the base rate, and changes the interpretation of the test.
Quest Bowhunting is the brand of compound bows that are made by the G5 Outdoors Company. You will find the bows either under the brand name of Quest or else the parent company will be acknowledged in the name and the bow will be referred to as a G5 Quest compound bow.
There are a handful of bow string materials on the market today that work very well when it comes to producing a custom bow string that will be durable and stable while providing good arrow speed. These materials would include D97, 8125G, trophy, 8190, 452X and X. BCY 452X has been around forever.