Which of the following is the least effective method of birth control?

1. vasectomy

2. rhythm method

3. the pill

4. IUD

Subtopic:  Contraception: Natural Methods |
 83%
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The drug RU-486 is taken after sexual intercourse. It blocks implantation, and in this sense it prevents pregnancy_.

1. like spermicidal foam

2. in a manner similar to tubal ligation

3. like the familiar birth control pill used for the last 30 years

4 by blocking progesterone receptors in the uterus, thus preventing progesterone from maintaining pregnancy

Subtopic:  Medical Termination of Pregnancy |
 76%
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Birth control pills contain synthetic estrogen and progesterone. How might these hormones prevent pregnancy?

1. They cause the corpus luteum to degenerate.

2. They keep the pituitary from secreting FSH and LH, so ovulation does not occur.

3. They cause the lining of the uterus to be sloughed off.

4 They trigger premature ovulation, before an egg is mature.

Subtopic:  Hormonal Contraceptives, Emergency Contraception & Terminal Methods |
 64%
From NCERT
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Transfer of an ovum collected from a donor into the fallopian tube of another female is called:

1. ZIFT

2. GIFT

3. SUZI

4. ICSI

Subtopic:  Infertility: 3 | Infertility |
 80%
From NCERT
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Vasectomies:

1. Inhibit testosterone production

2. Prevent sperm from entering the semen

3. Inhibit spem production

4. Interfere with male potency

Subtopic:  Hormonal Contraceptives, Emergency Contraception & Terminal Methods |
 84%
From NCERT
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Periodic abstinence is a natural method of contraception where the couples avoid or abstain from coitus during the period of the menstrual cycle when:

1. There is menstrual flow

2. The ovulation is most likely to occur

3. The corpus luteum is most active

4. The proliferative phase begins

Subtopic:  Contraception: Natural Methods |
 82%
From NCERT
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Progesterone alone or in combination with estrogen can also be used as contraceptives by females as injections or implants under their skin. When used in this manner, they:

1. do not affect the release of the ovum

2. induce a foreign body reaction leading to rejection of the implanted blastocyst

3. can cause increased risk of ectopic pregnancy

4. have a much longer effective period

Subtopic:  Hormonal Contraceptives, Emergency Contraception & Terminal Methods |
 67%
From NCERT
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Emergency contraception is administering any of the following within 72 hours of unprotected sexual activity except:
1. Combination pill
2. IUD
3. Large amount of prgesterone
4. Large amount of estrogen

Subtopic:  Hormonal Contraceptives, Emergency Contraception & Terminal Methods |
From NCERT
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Consider the two surgical procedures given below and choose the correct statement:

 

1. A is a more difficult procedure than B.
2. The reversibility of A is good but that of B is very poor.
3. A will make the male impotent and B will make the female infertile.
4. Both A and B can be called sterilization procedures.
Subtopic:  Hormonal Contraceptives, Emergency Contraception & Terminal Methods |
 89%
From NCERT
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Match the following sexually transmitted diseases (Column - I) with their causative agent (Column - II) and select the correct option.


     

      A    B    C   D

(1) (ii) (iii) (iv) (i)

(2) (iii) (iv) (i) (ii)

(3) (iv) (ii) (iii) (i)

(4) (iv) (iii) (ii) (i)

Subtopic:  Sexually Transmitted Infections |
 70%
NEET - 2017
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