MCQ
$IUD$ stands for
- AInter Uterine Devices
- ✓Intra Uterine Derice
- CInter Uterine Development
- DIntra Uterine Development
$(i)$ There devices are inserted by the doctors into the uterus through vagina.
$(ii)$ There are three types of $IUDs$
Non-medicated IUDs They increases the phagocytosis of the sperm within the uterus, $e . g$., Lippes loop
Copper Releasing $IUDs$ Along with phagocytosis of the sperms, the copper ions released, suppresses the sperm motility and the fertilizing capacity of the sperm.$e.g., Cu-T, Cu-7, multiload-375$ Hormone Releasing IUDs They makes the uterus unsuitable for implantation and the cervix hostile to the sperms, $e.g, progestasert, LNG-20$
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| List $I$ | List $II$ |
| $A$ $RNA$ polymerase $III$ | $I$ snRNPs |
| $B$ hline Termination of transcription | $II$ Promotor |
| $C$ Splicing of Exons | $III$ Rho factor |
| $D$ $TATA$ box | $IV$ SnRNAs, tRNA |