Urinalysis

The filtration membrane is composed of what 3 structures?

Capillary endothelial cells

Shared basement membrane

Podocytes

Wrap around capillaries forming filtration slits

Podocytes

Reabsorption and secretion happen where? (3)

Tubules + loop of henle + collecting duct

Most of  reabsorption and secretion take place where?

proximal convoluted tubule

assessing aspects of body fluid composition, metabolic activity and general state of health

Urinalysis

What is the result of high specific gravity? (2)

lead to kidney stones

concentrated urine

What is the result of low specific gravity?

kidney malfunction

The higher the osmolarity, the more ___ present = …

ions = less water

If blood volume is low, what is released?

ADH

What does ADH do for the body?

Increase BP via vasoconstriction

activated aquaporins in the collecting duct to reabsorb more water

ADH

What are 3 nitrogenous wastes?

Urea, uric acids, creatinine

What is the chemical composition of urine? (2)

nitrogenous wastes

nutrients and other components normally not present in urine

epithelial cells from the urinary tract lining or blood cells

Cells

masses of inorganic molecules

crystals

chunks of hardened cell masses, hardened mucus, or fibrous connecting tissue

Casts

Substances that entered the urine specimen by accident

Artificats