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
In what part of the body is the waste filtered from the blood?
Bladder
Liver
Intestine
Kidneys
What is the functional filtration unit in the kidney?
Renal tubule
Renal corpuscle
Nephron
Glomerulus
Urea is transported by:
plasma
blood
RBC
WBC
Which one of the following substances is NOT excreted by the human body?
Carbon dioxide
Salt
Urea
Saliva
A severe fall in blood pressure disturbs the function of kidneys and reduces:
renal filtration
glomerular filtration
reabsorption
secretion of nitrogenous wastes
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
The mechanism of uric acid secretion in the nephron is:
Diffusion
Excretion
Ultra filtration
Osmosis
Reabsorption of chloride ions from the glomerular filtrate in the kidney tubule is carried out by:
Active transport
Brownian movement
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
