What is significant about using urea to remove nitrogenous waste?Multiple choice question.It is highly soluble in water, so large amounts of water can be excreted together with the ureaIt is not as toxic as ammonia.It is poorly soluble in water, so it requires no water to be excreted.

The advantage of excreting nitrogenous wastes as urea rather than as ammonia is thata) urea can be exchanged for Na+.b) urea is less toxic than ammonia.c) urea requires more water for excretion than ammonia.d) urea does not affect the osmolar gradient

Ammonia…a) is soluble in water.b) can be stored in the body as a precipitate.c) has low toxicity relative to urea.d) is metabolically more expensive to synthesize than urea

Relate the toxicity of urea and uric acid to ammonia.Multiple choice question.Both are less toxic than ammonia.Both are more toxic than ammonia.Both are equally toxic to ammonia.

Which of the different kinds of nitrogenous wastes is most toxic?Multiple choice question.Uric acidUreaAllantoinAmmonia

Select the types of nitrogenous waste that are excreted by human kidneys.Multiple select question.Uric acidChlorineAldosteroneCreatinineUrea