Random Urine Collection for Urinalysis. Random urine samples are used for urinalysis, which can screen and diagnose metabolic disorders and urinary tract infections. Your doctor may order urinalysis to determine, for example, the cause of bloody urine, abdominal pains or burning sensations associated with urination.
1 Place potato slices into a large bowl of cold water as you slice. 2  Drain, and rinse, then refill the bowl with water, and add the salt. 3  Let the potatoes soak in the salty water for at least 30 minutes. 4  Drain, then rinse and drain again. 5  Heat oil in a deep-fryer to 365 degrees F (185 degrees C).
1 Cover the pan with a lid. 2  Cook the potatoes in gently boiling water until tender, about 15 minutes for cubed potatoes and new potatoes and 20 to 25 minutes for quartered potatoes. 3  Drain the potatoes in a colander.oiling Potatoes. 1  Place the potatoes in a large saucepan or pot. 2  Add enough cold water to cover the tops of the potatoes. 3  Add 1/2 to 1 teaspoon salt to the water. 4  Turn the burner on high and bring water to boiling. 5  Reduce heat to medium low or low. 6  Cover the pan with a lid.