[Solved] Consider the structure of glycine, the simplest amino acid: What is the total number of π bonds in the molecule? A) 0 B) 1 C) 2 D) 1/2 E) More information is needed. Difficulty Voiding: Describes a condition where an individual experiences trouble starting or maintaining urine flow. Hourly Urine Output: The volume of urine produced and expelled by the kidneys and bladder over the span of an hour, an important indicator of kidney health and fluid balance. Catheter With Sterile Solution: A medical device, often a tube, used to deliver or remove fluids from the body, which is used with a sterile solution to prevent infection. Microscopic Analysis: The examination of small objects or samples using a microscope to identify structures and materials not visible with the naked eye.