Nitrogenous wastes are produced as a result of:
Photosynthesis
Ingestion
Assimilation
Deamination
Urea is made of:
protein stored in the urethra.
protein broken down in the liver.
protein broken down in the kidneys.
urine, salt & water.
Excess amino acids in the body are broken down to form urea in:
kidneys
liver
spleen
pancreas
Which is the cause of kidney failure?
Acute kidney injury
Smoking
Indigestion
Blood pressure
Which one of the following substances is NOT excreted by the human body?
Carbon dioxide
Salt
Urea
Saliva
What is the source of the waste products that are excreted by the urinary system?
Metabolic processes
Undigested fiber
Pollutants in the water and food
Excess food
What is the function of the ureter?
To remove waste from the blood
To store urine
To carry urine out of the body
To carry urine from the kidney to the bladder
Reabsorption of chloride ions from the glomerular filtrate in the kidney tubule is carried out by:
Osmosis
Diffusion
Active transport
Brownian movement
The mechanism of uric acid secretion in the nephron is:
Excretion
Ultra filtration
Which one of the following pairs carry waste products?
Renal artery and renal vein
Renal artery and ureter
Renal vein and urethra
Renal vein and ureter