- 1(current)
Q. No.Identify the incorrectly matched pair:
|
|
Contraceptive |
Mechanism of action |
|
1. |
Barrier |
Prevent fertilization |
|
2. |
Cu – IUDs |
Cu ions suppress sperm motility and their fertilizing capacity |
|
3. |
Hormone releasing IUD |
Prevent implantation and make cervix hostile but do not affect fertilization |
|
4. |
Oral combination pill |
Prevent ovulation, implantation and alter the quality of cervical mucus |
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| Assertion (A): | Copper containing IUDs are very effective for emergency contraception. |
| Reason (R): | Copper ions are toxic to the sperms. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
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Match List-I with List-II
| List-I | List-II | ||
| (a) | Vaults | (i) | Entry of sperm through the Cervix is blocked |
| (b) | IUDs | (ii) | Removal of Vas deferens |
| (c) | Vasectomy | (iii) | Phagocytosis of sperms within the Uterus |
| (d) | Tubectomy | (iv) | Removal of the fallopian tube |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (iii) | (i) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (iv) | (ii) | (i) | (iii) |
| 4. | (i) | (iii) | (ii) | (iv) |
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Consider the following statements:
| I: | The male barrier contraceptives provide protection against STDs. |
| II: | Oral contraceptive pills (OCPs) are the contraceptive method used more commonly by urban women in India. |
| III: | The second-generation IUDs release copper and the third-generation IUDs release hormones. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II, and III |
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The main mechanism of action of Cu released from Cu releasing IUD is:
| 1. | Increased phagocytosis of sperms in the uterus |
| 2. | Suppression of sperm motility |
| 3. | Early degeneration of the released ovum |
| 4. | Making the uterus unsuitable for implantation |
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| I: | are not effective as emergency contraceptives |
| II: | damage sperms and disrupt their motility |
2. Only I is correct
3. Only II is correct
4. Both I and II are incorrect
I. Multiload -375 is a Cu releasing IUD
II. Levonorgesterel is an oestrogen
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Emergency contraception refers to methods of contraception that can be used to prevent pregnancy after sexual intercourse. These are recommended for use within 5 days but are more effective the sooner they are used after the act of intercourse. Methods of emergency contraception are the copper-bearing intrauterine devices (IUDs) and the emergency contraceptive pills (ECPs).
The copper-bearing IUD acts primarily by:
| 1. | Preventing fertilization | 2. | Preventing ovulation |
| 3. | Preventing implantation | 4. | Inducing abortion |
- 1(current)
Q. No.
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