2-TOPSHIRIQ TOMCHINING TUSHISH TEZLIGI Tomirga tomchi-dori quyish
amaliyotidan tibbiyotda bemor tomiriga
suyuqliklarni yuborishda foydalaniladi.
Hamshira tomchi-dori tushish tezligi ( D ) ni o‘lchash uchun har daqiqada qancha
tomchi tushayotganini hisobga olishi lozim.
Bunda hamshiralar
formuladan foydalanadi.
Formuladagi:
k – “hajm birligidagi tomchi miqdori” ko‘rsatkichi, 1 millilitrda tomchilar soni
o‘lchanadi.
V – dorining millilitrdagi hajmi;
n – tomchi tomib tugashi uchun ketadigan vaqt .
1-savol: Hamshira tomirga dorini yuborish uchun sarflanadigan vaqtni ikki martaga
oshirmoqchi.
Agar formuladagi
n ikki martaga oshirilsa, ammo k va V o‘zgarmasa,
D qanday
o‘zgarishini tushuntiring.
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2-savol: Shuningdek, hamshiralar tomchining tushish tezligi D dan foydalanib, tomchi-
dorining miqdori V ni hisoblashi kerak.
Daqiqasiga 50 tomchidan tushayotgan tomchi dori bemorga uch soat mobaynida
berilishi kerak. Bu dorining hajm birligidagi tomchilar soni har millilitrda
25 tomchiga teng.
Tomchi dorining millilitrdagi hajmi qancha?
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Dori hajmi: _________________ ml
