Laws of Physiology

Question 1

anterior spinal roots are motor, posterior are sensory

Answer 1

bell magende

Question 2

at constant temperature, gas volume is inverse to pressure

Answer 2

boyle

Question 3

at constant pressure, gas volume is proportional to absolute temperature

Answer 3

charles

Question 4

minimum interval of time necessary to electrically stimulate a muscle or nerve fiber using twice the minimum current to elicit threshold response

Answer 4

chronaxie

Question 5

membrane potential on the inside of a membrane when 2 univalent positive ions, Na and K and one univalent negative ion, chloride are invovled

Answer 5

goldman

Question 6

gas solubility in a liquid is proportional to gas pressure

Answer 6

henri

Question 7

limits respiratory excursion via the Vagus nerve

Answer 7

hering breuer

Question 8

the tension in an artery will be proportional to the radius of the vessel

Answer 8

LaPlaces’s law for arteries

Question 9

ventricular pressure depends on muscular tension, size and shape of the hert

Answer 9

LaPlace’s Law for the heart

Question 10

potential level across a membrane exactly opposes net diffusion of particles though the membrane

Answer 10

nernst

Question 11

minimum electrical current of infinite duration to elicit a threshold response

Answer 11

rehobase

Question 12

cardiac output is equal to venous return

if venous return exceeds cardiac out=CHF

Answer 12

starlings law