It depends on the disease, I would say mental confusion tho. But all of these could happen to a person, only depends on the disease
<span>The nephron is the basic structural and functional unit of the kidney, it regulates the concentration of water and soluble substances like sodium through filtering the blood, reabsorbing what is needed and excreting the rest as urine. Therefore urine should be free of blood as the nephron filters the blood, cleaning it for the body to reuse.</span>
I would say c but I would have to read your text book to be able to answer it accurately
I cant see the last question and i guess it’s all upon you too