Trade agreement. Trade agreement, any contractual arrangement between states concerning their trade relationships. Trade agreements may be bilateral or multilateralâthat is, between two states or more than two states. 1  For most countries international trade is regulated by unilateral barriers of several types, including tariffs, nontariff barriers, and outright prohibitions.
Test Overview. A urine culture is a test to find and identify germs (usually bacteria) that may be causing a urinary tract infection (UTI) . Urine in the bladder normally is sterileâit does not contain any bacteria or other organisms (such as fungi).But bacteria can enter the urethra and cause an infection.est Overview. A urine culture is a test to find and identify germs (usually bacteria) that may be causing a urinary tract infection (UTI) . Urine in the bladder normally is sterileâit does not contain any bacteria or other organisms (such as fungi). But bacteria can enter the urethra and cause an infection.
Urine Culture Test. A urine culture test involves collecting a urine sample and keeping it under specific conditions that encourage growth of bacteria or fungi. If the growth of the organisms is minimal, it means that the test is negative and there is no infection. However, if the growth of organisms is excessive, it implies a positive urine culture test and is indicative of a urinary tract infection. If the test is positive, then you may need to take some other tests to determine the appropriate treatment or medication to eliminate the infection.