Sterilization
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Correct the following statements.
(a) Surgical methods of contraception prevent gamete formation.
(b) All sexually transmitted diseases are completely curable.
(c) Oral pills are very popular contraceptives among the rural women.
(d) In ET techniques, embryos are always transferred into the uterus.
what does "immunologically competent cells " mean with reference to the interstitial spaces of testis
[0.7 mark]
- Blocking the formation of gametes
- Blocking the transport of gametes
- Blocking the entry of sperms through cervix
- Blocking action of endogenous progesterone
Which of the following birth control measures can be considered as safest ?
A) the rhythm method
B) the use of physical barriers
C) termination of unwanted pregnancy
D) sterilisation techniques
Answer : sterilisation techniques
how ?
I think It can't be an ideal contraceptive method since it can't be reversible.
Explain.
- Rhythm method
- Coitus interruptus
- Lactational amenorrhea
- Cervical caps
(a) Industrial melanism
(b) Antibiotic resistant bacteria
(c) Pesticide resistant insects
(d) Man-created breeds of dogs
Choose the correct option:
(b) and (c) only
(b), (c) and (d)
(a) and (b) only
(a), (b) and (c)
- Barrier methods - prevent fertilization
- Intrauterine devices - increase phagocytosis of sperms, suppress sperm motility and fertilizing capacity of sperms
- Hormonal contraceptives - Prevent/retard entry of sperms, prevent ovulation and fertilization
- Vasectomy - Prevents spermatogenesis
- Tubectomy - Make the uterus unsuitable for implantation
- Oral pills - Inhibit ovulation and implantation
- Diaphragms - Spermicidal and increases phagocytosis of sperms
within the uterus - IUDs - Blocks gamete transport
- This is a surgical method of sterilisation in males that prevents him from having an erection.
- Incisions are made on vasa efferentia
- It prevents the production of sperms
- It prevents the movement of sperms into the urethra
Column IColumn IIi.Hormonal Pillsp. Phagocytosis of spermsii.Condomq. Prevents ovulationiii.Sahelir. Prevents sperms from entering the cervixiv.CuTs. Prevents implantation
- i – q, ii – r, iii – s, iv – p
- i – p, ii – q, iii – s, iv – r
- i – q, ii – s, iii – r, iv – p
- i – q, ii – s, iii – p, iv – r
I. Spermicidal formulations
II. Implants
III. Diaphragms
IV. Transdermal patches
- I and III only
- II and IV only
- I, III and IV
- I, II and IV
Which of these is used to control human population?
OPTIONS
1) Estrogen + progesterone 2) IUD and MTP
3) Vasectomy and tubectomy 4) All of the above
(b) When is sterilisation advised to married couples? How is it carried out in a human male and a female, respectively? [5 marks]
i) inability of male to inseminate female.
ii) very low sperm count.
Select the correct option.
- Only i is correct
- Only ii is correct
- Both i and ii are incorrect
- Both i and ii are correct
Select the incorrect option regarding contraceptives.
Non-medicated IUDs: Lippes loop.
Cu-releasing IUDs: Cu7.
Hormone-releasing IUDs: Multiload 375.
Nirodh: Condom for males.
- Periodic abstinence
- Interruption coitus
- Chemical method
- Lactational amenorrhea
1. CuT
2. Cu7
3. LNG-20
4. Multiload 375
- 1 and 2 only
- 2 and 3 only
- 1, 2 and 4 only
- 1, 2, 3 and 4
- diaphragm
- copper-T
- vasectomy
- tubectomy
Give two reasons for avoiding frequent pregnancies of women.
Explain the following methods of contraception giving one example of each :
(i) Barrier method
(ii) Chemical method
(iii) Surgical method
- produce ovum.
- retain the foetus inside uterus.
- provide suitable environment for fertilisation.
- all of these.
- Uterine cancer
- Ovarian cancer
- Tubectomy
- Vasectomy
- no ovulation or oogenesis in female partner
- obstruction of the male reproductive pathway
- congenital absence of both vasa efferentia and vasa deferentia in males
- hardening of zona pellucida of oocyte after ovulation
- Vasectomy
- Tubectomy
- Condom
- Both (a) and (b)
I. Protects people from sexually transmitted diseases
II. Tubectomy and vasectomy affect the sexual act of the individual
III. Purpose of tubectomy and vasectomy is to prevent egg formation and sperm formation respectively
IV. Surgical methods block the transport of gametes and prevent contraception
Choose the correct option.
- I only
- II, III and IV only
- IV only
- I, II, III and IV
- Mala-D
- Diaphragms and vaults
- Cervical caps and Condoms
- Norplant and Impalon
- A-Tubectomy, B-Vasectomy, C-Fallopian tube cut and tied, D-Vas deferens cut and tied
- A-Tubectomy, B-Vasectomy, C-Cervix, D-Vas deferens cut and tied
- A-Vasectomy, B-Tubectomy, C-Vas deferens cut and tied, D-Fallopian tube cut and tied
- A-Tubectomy, B-Vasectomy, C-Vas deferens cut and tied, D-Fallopian tube cut and tied
- It has a narrow part called ampulla.
- It is lined with ciliated epithelium
- It is about 10-12 cm long
- It collects the secondary oocyte released from the ovary
Write the difference between:
Tubectomy and vasectomy
Statement 1: Laparoscopy and mini-laparotomy are the two main incision sterilisation methods.
Statement 2: A non-incision sterilisation technique can also be used through the vagina and cervix to block the fallopian tube.
Choose the correct option.
- Both the statements are true
- Statement 1 is true and statement 2 is false
- Statement 1 is false and statement 2 is true
- Both the statements are false
One of the legal methods of birth control is
By having coitus at the time of daybreak
By abstaining from coitus from day 10 to 17 of the menstrual cycle
Abortion by taking an appropriate medicine
By premature ejaculation during coitus