Ammonia is
A. a waste product of fatty acid metabolism.
B. exhaled by the lungs into the air.
C. processed by the liver to form urea, a less toxic compound.
D. a waste product of fatty acid metabolism and is excreted by the kidneys into urine.
E. a polypeptide containing many amino acids.
C
You might also like to view...
PLR is the abbreviation for:
A) peripheral lumination reflex B) pupillary light reflex C) persistent light response D) permanent lesion response
What may happen to red blood cells placed in a hypertonic solution? a. They may shrink. b. They may swell
c. They remain the same. d. They become nucleated.
The pituitary gland produces melatonin
Indicate whether the statement is true or false
The concentrations of substances in the plasma, in the glomerular filtrate, and in urine differ in what way?
A) Plasma contains the most water, glomerular filtrate contains less water, and urine contains the least. B) Plasma and glomerular filtrate are virtually identical, but urine contains proportionately more waste products. C) Plasma differs from glomerular filtrate and urine, which have virtually identical concentrations of substances. D) All three have the same concentrations of nutrients and waste materials, but differ in the amount of proteinaceous material they contain.