Digestion and Absorption Flashcards
by what is inflammation and infection is generally caused/
bacertia, virus and parasite like tapeworm,hookworm,roundworm.
what causes jaudice what are its effects?
increase in bile pigment bilirubin due to which skin and eye turn yellow.
liver is also affected
what is vomitting and what is responsible for it?
- ejection of the stomach content through the mouth
- controlled by the vomit center of the medulla
what is diarrhea ?
abnormal frequency of bowel movements and increased liquidity in the faeces
what is constipation?
faeces stuck in colon and irregular bowel movement
what is used to cure constipation and why ?
laxatives and purgatives which are rich in Mg
what is indigestion
inability to digest food due ot overeating , eating too spicy food or anxiety
what is hernia?
protrusion of intestine into inguinal canal may extend to scrotal sac.
hernia is the protrusion of ___ into ___
intestine , inguinal canal
what is bmr?
what is its value and how is it dependent on the body size
- basic metabolic rate - min amt of calories required for the maintenance of the body during rest.
- 1600kcal/day
- smaller teh body size more the bmr
what is rmr?
what is its value?
- routine metabolism rate- min amt of energy req by a moderately active person.
- males: 2800Kcal/day
- females : 2200Kcal/day
vomitting causes metabolic ___
diarrhoea causes ___
alkalosis
acidosis
what is the peristalsis movement ?
where does it start and end?
involuntary rhythmic contraction and relaxation of the muscles lining the alimentary canal.
- esophagus to large intestine (weaker here)
what happens during the contraction?
circular muscle - contraction
longitudinal muscle - relaxation
what happens during relaxation during peristalsis?
circular muscle- relaxation
longitudinal muscle - contraction
where is the peristalsis movement strong?
small intestine
does stomach exhibit peristalsis ?
yes by churning the food