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Leison

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Posts posted by Leison

  1. Here osmolarity , osmolality , osmotic pressure is zero. As these term is used only if the membrane is permeable.

     

    So a simple diffusion takes place...to balance x in both sides...

     

    N this doesnt happen in human body...as every normal human body/ membranes are permeable to water.

    So, no, edema n dehydration n no such event which requires water movement will take place...

     

     

    One such compound that diffuses readily towards both memebranes is Urea in human body, thats y we dnt count urea while calculating osmolality, but yes we do need urea to calculate osmolarity.

  2. Unfortunately, another influence of the higher temps caused by CO2 is changing ocean currents, which changes rain patterns and increases incidence of drought. While plants certainly intake CO2 and do okay in CO2 rich environments, most still need regular rainfall. Drought sort of negates the benefit you mention.

     

    new researches have shown that the temp causes increase in CO2, not CO2 causes temp rise!!!

    and another fact is -rise in temp is followed by rise in CO2 by 100 years!!

  3. We know that global warming affects the weather and the earth's natural resources, but I need to know how it affects the health of people and animals around the world?

     

    1 positive effect of global warming could be- as the earth warms up, CO2 increases .Researches have shown that in high amount of CO2, higher crop production.:) when temp used to be high during medieval period,there used to be high production of crops.

  4. hey sis,medicine is a bachelor degree which u study just after completing the high school.and wud u waste ur time studying maths instead of join med?

    By the way, medicine course do not include maths course coz they know high school maths is enough. (i never hav said maths isnt necessary,i said higher knowledge in maths is a Positive point).If it was that necessary then they wud have included maths in the course! and Mokele's true abt Med entrance exam.

    Even if u knew maths,till the final year you'l have forgetten everything,thats why in the medical reseach they always include a statistician! and as far as drug doses are concern, simple calculus which is taught in high school is enough.

    the main thing in medicine,is to take proper history,investigate,diagnosis n differential diagnosis,and drug therapy.the most important thg is the art of history taking and differential diagnosis,i dont think we need maths here.medicine is an art, ur experience matters much than ur knowledge.maths has minor role.

    if u dont believ me go and ask to do a simple integration to an intern or a doc,i bet they can't coz if they were good at maths,in the course of heavy medical course they will have forgotten.

    AND as far as the original Q is concerned,Maths is not as important as anatomy and Physiology.Little maths is required in Pharmacology and Community Medicine.

  5. mayb u r true that maths helps in problem solving, decision making but ... this doesnt mean u arent gonna be good doc if u arent good at maths.

    academically, maths is not necessay to get degree in medicine.

    and maths isnt a language of medical science,its a tool and if u know a simple high school mathamatics..thats more than enough to study medicine. what u need more, is a common sense.

    and usually ppl who are interested in biology arent interested in maths and vice versa.

    and..abstract thinkers...like philosophers..i bet many of them dont even know maths....

     

    my conclusion,if u know maths its a plus point,if dont know ,it doesnt matter at all.

  6. depends upon what kind of inflamation.if inflammation makes u lose more fluid then it must be stopped,coz losing fluid is dangerous.some inflam like tonsillitis can make u difficult to breathe so it must be stopped, some inflam like conjunctivitis makes ur vision blur so it must be stopped,some inflam causes FIBROSIS so,inflam must stopped b4 it takes its natural process.so in many cases inflam has to be stopped,some inflam makes u difficult to swallow food so it must be stopped cause we cant compromise food with infam.

    its not necessary that we use anti-inflamatory to stop inflam,we can use drugs to stop the factors causing inflam,like antacids in gastritis.

    its true inflam is response to heal body,but if we let body heal in natural way,it takes long time plus it heals in the cost of fibrosis of tissues which is sometimes harzardous.so we stop the inflam with antiinflam,and give antibiotics,its more beneficial.

  7. patient wud die again.protein is required in each and every step of metabolism,all the enzymes used during glycolysis, regeneration of tissues,protiens of blood(albumin,immunoglobin),carrier protein,structure of cells. so even if there are adequate amount of glucose,fat,vitamins,minerals they can't be used by the body, so it'l be like their virtual deficiency.body can't boycott protein.

  8. there isnt any cure for either acne vulgaris or acne rosacea. normal acne goes by itself after age of 25 normally. it simply has treatment of antibiotic ointment,face wash in rare cases corticosteroids.it do not have cure. same thing applies for acne rosacea.

     

    though many books say food has no role in developing acne, patients do complain of increased acne after having certain food (like oily food) so relation of food to acne is completely individual variation! may b the fibers acted like that only.

     

    but the things u mentioned like blood goin from face to intestines during long process of digesting fibers....its questionable....blood flow doesnt vary much...no standard textbook has ever clearly mentioned abt these thgs!

  9. dont worry buddy, get a bootable dvd, and boot from it. automatically it will ask u "to format and install new Window". then ur harddrive l b formatted and also, window l be installed.ur computer will work perfectly again. :) buy a Bootable DVD.

     

    even after formatting, u can retrieve all the data! from data recovery software,if u dont find it, il give u. :)

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