Which of the following best describes a patient who cannot control urination or defecation?

Aseptic refers to a condition free from contamination by pathogens, typically used in medical contexts to describe sterile environments or techniques. This term does not relate to the control of bodily functions and is therefore irrelevant to the question regarding urinary or fecal control.

Excretory pertains to the biological system responsible for the discharge of waste products from the body. While it relates to bodily functions, it does not specifically describe the inability to control these functions, making it an unsuitable choice for the question.

Impotent generally refers to the inability to achieve sexual erection or function, which is unrelated to the control of urination or defecation. Hence, it does not fit the context of the question being asked.

Incompetent implies a lack of ability or capacity, but it is a broader term that does not specifically address the inability to control urination or defecation. The term can apply to various contexts, making it less precise than "incontinent."