Week 1 Intro

Question 1

how are the body fluids distributed between ICF and ECF?

Answer 1

ICF- 25L

ECF- 15L

Question 2

how is the extracellular fluid distributed between interstitial fluid and intravascular (plasma)?

Answer 2

interstitial- 12L

plasma- 3L

Question 3

how many L does a 70Kg man contain?

Answer 3

40L

Question 6

what hormone system controls sodium recovery?

Answer 6

renin angiotensin system- controls ECF volume

Question 7

what hormone system controls water recovery?

Answer 7

anti diuretic hormone- controls permeability of DCT and collecting duct to water- controls ECF osmolarity

Question 8

what are some functions of the kidneys?

Answer 8

control conc. of substances in extracellular fluid
control- volume, osmolarity, ph
excretion of waste products
endocrine- synthesis of renin, erythropoietin, prostaglandins
metabolism- active form of Vit D, catabolism of insulin, PTH calcitonin

Question 10

what vertebrae level are the L and R Kidneys located?

Answer 10

L- T11 to L2

R- T12 to L3 (pushes down by liver)

Question 11

where are the ureters seen running along on an xray?

Answer 11

transverse spinous processes