Which of the following approaches does not give the defined action of contraceptive? (a) Hormonal contraceptives Prevent/retard entry of sperms, prevent ovulation and fertilisation (b) Vasectomy Prevents spermatogenesis (c) Barrier methods Prevent fertilisation (d) Intra uterine devices Increase phagocytosis of sperms, suppress sperm motility and fertilising capacity of sperms

Which of the following approaches does not give the
defined action of contraceptive?
(a) Hormonal
contraceptives
Prevent/retard entry of
sperms, prevent ovulation
and fertilisation
(b) Vasectomy Prevents spermatogenesis
(c) Barrier methods Prevent fertilisation
(d) Intra uterine
devices
Increase phagocytosis of
sperms, suppress sperm
motility and fertilising
capacity of sperms
by

1 Answer

Answer :

(b) Vasectomy Prevents spermatogenesis
by

Related questions

Cu ions released from copper-releasing intra uterine devices (IUDs) (a) make uterus unsuitable for implantation (b) increase phagocytosis of sperms (c) suppress sperm motility (d) prevent ovulation.

Description : Cu ions released from copper-releasing intra uterine devices (IUDs) (a) make uterus unsuitable for implantation (b) increase phagocytosis of sperms (c) suppress sperm motility (d) prevent ovulation.

Last Answer : suppress sperm motility

The function of copper ions in copper releasing IUDs is (a) they inhibit gametogenesis (b) they make uterus unsuitable for implantation (c) they inhibit ovulation (d) they suppress sperm motility and fertilising capacity of sperms.

Description : The function of copper ions in copper releasing IUDs is (a) they inhibit gametogenesis (b) they make uterus unsuitable for implantation (c) they inhibit ovulation (d) they suppress sperm motility and fertilising capacity of sperms.

Last Answer : (d) they suppress sperm motility and fertilising capacity of sperms.

The function of copper ions in copper releasing IUD's is : (1) They inhibit gametogenesis (2) They make uterus unsuitable for implantation (3) They inhibt ovulation (4) The suppress sperm motility and fertilising capacity of sperms

Description : The function of copper ions in copper releasing IUD's is : (1) They inhibit gametogenesis (2) They make uterus unsuitable for implantation (3) They inhibt ovulation (4) The suppress sperm motility and fertilising capacity of sperms

Last Answer : (4) The suppress sperm motility and fertilising capacity of sperms

Given below are four methods (A-D) and their modes of action (i-iv) in achieving contraception. Select their correct matching from the four options that follow. Method Mode of Action A. The pill (i) Prevents sperms reaching cervix B. Condom (ii) Prevents implantation C. Vasectomy (iii) Prevents ovulation D. Copper T (iv) Semen contains no sperms (a) A – (iii), B – (iv), C – (i), D – (ii) (b) A – (ii), B – (iii), C – (i), D – (iv) (c) A – (iii), B – (i), C – (iv), D – (ii) (d) A – (iv), B – (i), C – (ii), D – (iii)

Description : Given below are four methods (A-D) and their modes of action (i-iv) in achieving contraception. Select their correct matching from the four options that follow. Method Mode of Action A. The pill (i) Prevents sperms reaching cervix B. Condom ... D - (ii) (d) A - (iv), B - (i), C - (ii), D - (iii)

Last Answer : A – (iii), B – (i), C – (iv), D – (

What is the work of progesterone which is present in oral contraceptive pills? (a) To inhibit ovulation (b) To check oogenesis (c) To check entry of sperms into cervix and to make them inactive (d) To check sexual behaviour

Description : What is the work of progesterone which is present in oral contraceptive pills? (a) To inhibit ovulation (b) To check oogenesis (c) To check entry of sperms into cervix and to make them inactive (d) To check sexual behaviour

Last Answer : (a) To inhibit ovulation

Which of the following contraceptive methods involve a role of hormone ? (a) Pills, Emergency contraceptives, Barrier methods (b) Lactational amenorrhea, Pills, Emergency contraceptives (c) Barrier method, Lactational amenorrhea, Pills (d) CuT, Pills, Emergency contraceptive

Description : Which of the following contraceptive methods involve a role of hormone ? (a) Pills, Emergency contraceptives, Barrier methods (b) Lactational amenorrhea, Pills, Emergency contraceptives (c) Barrier method, Lactational amenorrhea, Pills (d) CuT, Pills, Emergency contraceptive

Last Answer : (b) Lactational amenorrhea, Pills, Emergency contraceptives

Which of the following is a correct statement? (a) IUDs once inserted need not be replaced. (b) IUDs are generally inserted by the user herself. (c) IUDs increase phagocytosis of sperms in the uterus. (d) IUDs suppress gametogenesis.

Description : Which of the following is a correct statement? (a) IUDs once inserted need not be replaced. (b) IUDs are generally inserted by the user herself. (c) IUDs increase phagocytosis of sperms in the uterus. (d) IUDs suppress gametogenesis.

Last Answer : (c) IUDs increase phagocytosis of sperms in the uterus.

The primary mechanism of action of the combined estrogen-progestin oral contraceptive pill is: A. Production of cervical mucus hostile to sperm penetration B. Suppression of FSH and LH release C. Making endometrium unsuitable for implantation D. Enhancing uterine contractions to dislodge the fertilized ovum

Description : The primary mechanism of action of the combined estrogen-progestin oral contraceptive pill is: A. Production of cervical mucus hostile to sperm penetration B. Suppression of FSH and ... Making endometrium unsuitable for implantation D. Enhancing uterine contractions to dislodge the fertilized ovum

Last Answer : B. Suppression of FSH and LH release

A progestin and an estrogen are combined in oral contraceptive pill because: A. The estrogen blocks the side effects of the progestin B. The progestin blocks the side effects of the estrogen C. Both synergise to suppress ovulation D. Both synergise to produce hostile cervical mucus

Description : A progestin and an estrogen are combined in oral contraceptive pill because: A. The estrogen blocks the side effects of the progestin B. The progestin blocks the side effects of the estrogen C. Both synergise to suppress ovulation D. Both synergise to produce hostile cervical mucus

Last Answer : C. Both synergise to suppress ovulation

Out of the following, which is the most ideal time for insertion of an intra uterine contraceptive device? Options: 1) Immediate post-partum i.e. within first week of delivery 2) Post-puerperal i.e. 6-8 weeks after delivery 3) Immediately after second trimester legal abortion 4) During last week of menstrual cycle

Description : Out of the following, which is the most ideal time for insertion of an intra uterine contraceptive device? Options: 1) Immediate post-partum i.e. within first week of delivery2) Post- ... after delivery 3) Immediately after second trimester legal abortion 4) During last week of menstrual cycle

Last Answer : Correct Answer: 2) Post-puerperal i.e. 6-8 weeks after delivery

The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females (a) who cannot produce an ovum (b) who cannot retain the fetus inside uterus (c) whose cervical canal is too narrow to allow passage for the sperms (d) who cannot provide suitable environment for fertilisation.

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Last Answer : (a) who cannot produce an ovum

Assertion: Cu-T and Cu-7 do not suppress sperm motility. Reason: Hormones released by them affect sperm motility.

Description : Assertion: Cu-T and Cu-7 do not suppress sperm motility. Reason: Hormones released by them affect sperm motility.

Last Answer : Assertion: Cu-T and Cu-7 do not suppress sperm motility. Reason: Hormones released by them affect ... D. If both the assertion and resson are false.

Which one of the following statements is false in respect of viability of mammalian sperm? (a) Sperm is viable for only up to 24 hours. (b) Survival of sperm depends on the pH of the medium and is more active in alkaline medium. (c) Viability of sperm is determined by its motility. (d) Sperms must be concentrated in a thick suspension.

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Last Answer : (a) Sperm is viable for only up to 24 hours.

70. Which one of the following statements is false in respect of viability of mammalian sperm ? (1) Sperms must be concentrated in a thick suspension (2) Sperm is viable for only up to 24 hours (3) Survival of sperm depends on the pH of the medium and is more active in alkaline medium (4) Viability of sperm is determined by its motility

Description : 70. Which one of the following statements is false in respect of viability of mammalian sperm ? (1) Sperms must be concentrated in a thick suspension (2) Sperm is viable for only up to 24 hours ... the medium and is more active in alkaline medium (4) Viability of sperm is determined by its motility

Last Answer : Sperm is viable for only up to 24 hours

Assertion: Copper-T is an effectie contraceptive device in human females. Reason: Copper-T prevents passage of sperms from vagina upwards into fallopi

Description : Assertion: Copper-T is an effectie contraceptive device in human females. Reason: Copper-T prevents passage of sperms from vagina upwards into fallopi

Last Answer : Assertion: Copper-T is an effectie contraceptive device in human females. Reason: Copper-T prevents ... If both the assertion and resson are false.

A contraceptive pill prevents ovulation by :

Description : A contraceptive pill prevents ovulation by :

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The contraceptive ‘Saheli’ (a) blocks estrogen receptors in the uterus, preventing eggs from getting implanted (b) increases the concentration of estrogen and prevents ovulation in females (c) is an IUD (d) is a post-coital contraceptive.

Description : The contraceptive ‘Saheli’ (a) blocks estrogen receptors in the uterus, preventing eggs from getting implanted (b) increases the concentration of estrogen and prevents ovulation in females (c) is an IUD (d) is a post-coital contraceptive.

Last Answer : (a) blocks estrogen receptors in the uterus, preventing eggs from getting implanted

The contraceptive 'SAHELI' (1) blocks estrogen receptors in the uterus, preventing eggs from getting implanted. (2) increases the concentration of estrogen and prevents ovulation in females. (3) is an lUD. (4) is a post-coital contraceptive.

Description : The contraceptive 'SAHELI' (1) blocks estrogen receptors in the uterus, preventing eggs from getting implanted. (2) increases the concentration of estrogen and prevents ovulation in females. (3) is an lUD. (4) is a post-coital contraceptive.

Last Answer : (1) blocks estrogen receptors in the uterus, preventing eggs from getting implanted.

The test-tube baby programme employs which one of the following techniques? (a) Intra Cytoplasmic Sperm Injection (ICSI) (b) Intra Uterine Insemination (IUI) (c) Gamete Intra Fallopian Transfer (GIFT) (d) Zygote Intra Fallopian Transfer (ZIFT)

Description : The test-tube baby programme employs which one of the following techniques? (a) Intra Cytoplasmic Sperm Injection (ICSI) (b) Intra Uterine Insemination (IUI) (c) Gamete Intra Fallopian Transfer (GIFT) (d) Zygote Intra Fallopian Transfer (ZIFT)

Last Answer : (d) Zygote Intra Fallopian Transfer (ZIFT)

88. The Test-tube Baby Programme employs which one of the following techniques ? (1) Zygote intra fallopian transfer (ZIFT) (2) Intra cytoplasmic sperm injection (ICSI) (3) Intra uterine insemination (IUI) (4) Gamete intra fallopian transfer (GIFT)

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Last Answer : ) Zygote intra fallopian transfer (ZIFT)

Set of reproductive terms are given below . Choose the set that has incorrect combination a ) sperms ,testis, sperm duct ,penis b)menstruation, egg, oviduct ,uterus c) sperm, oviduct, egg, uterus d)ovulation, egg, oviduct , uterus

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Last Answer : c) sperm, oviduct, egg, uterus

What happens during fertilisation in humans after many sperms reach close to the ovum? (a) Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida. (b) All sperms except the one nearest to the ovum lose their tails. (c) Cells of corona radiata trap all the sperms except one. (d) Only two sperms nearest the ovum penetrate zona pellucida.

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Which one of the following is the most widely accepted method of contraception in India at present? (a) Cervical caps (b) Tubectomy (c) Diaphragms (d) IUDs (Intra uterine devices)

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Last Answer : (d) IUDs (Intra uterine devices)

Select the hormone-releasing Intra-Uterine Devices. (a) Lippes Loop, Multiload 375 (b) Vaults, LNG-20 (c) Multiload 375, Progestasert (d) Progestasert, LNG-20

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Last Answer : (d) Progestasert, LNG-20

what percentage of U.S. women are on hormonal contraceptives?

Description : what percentage of U.S. women are on hormonal contraceptives?

Last Answer : I would assume a lot. There are so many choices now. Before I got fixed I was on the pill then the patch. Lurved the patch!!!

A 25 years old school teacher Para 1 wants to use oral contraceptive pills for contraception. She is asking about the mode of action of oral contraceptive pills. The mechanism of action of oral contraceptive pills is: a) Inhibiting ovulation by suppression of serum FSH. b) Inducing endometrial atrophy. c) Increasing cervical mucous hostility. d) Inducing endometritis. e) Inhibiting prolactin.

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Last Answer : a) Inhibiting ovulation by suppression of serum FSH.

The second maturation division of the mammalian ovum occurs (a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until after the ovum has been penetrated by a sperm (c) until the nucleus of the sperm has fused with that of the ovum (d) in the Graafian follicle following the first maturation division.

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Last Answer : (b) until after the ovum has been penetrated by a sperm

How is the entry of only one sperm ensured into an ovum during fertilisation in humans? -Biology

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Last Answer : (b) after entry of sperm but before fertilisation

Which of the following adverse reaction of oral contraceptives is the most common and the most serious A. Hypotension B. Hepatotoxicity C. Uterine neoplasia D. Thromboembolism disorder E. Decreased resistance to infection

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Last Answer : D. Thromboembolism disorder

What is the figure given below showing in particular? (a) Ovarian cancer (b) Uterine cancer (c) Tubectomy (d) Vasectomy

Description : What is the figure given below showing in particular? (a) Ovarian cancer (b) Uterine cancer (c) Tubectomy (d) Vasectomy

Last Answer : (c) Tubectomy

Which is an example of negative feedback? A) Nursing action stimulates the hypothalamus to release oxytocin that triggers mammary gland milk production. B) When the blood becomes dilute, ADH is no longer released from the hypothalamus. C) Uterine stretching sends nerve impulses to the hypothalamus that releases oxytocin that triggers uterine contraction. D) FSH and LH stimulate the gonads to produce sperm or eggs. E) TRH stimulates the anterior pituitary to release thyroid-stimulating hormone.

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Last Answer : B) When the blood becomes dilute, ADH is no longer released from the hypothalamus

In spermatogenesis, a primary spermatocyta produce four similar sperms while in oognesis a primary oocyte forms

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Which of the following is a hormone releasing Intra Uterine Device (IUD)? (a) Multiload 375 (b) LNG - 20 (c) Cervical cap (d) Vault

Description : Which of the following is a hormone releasing Intra Uterine Device (IUD)? (a) Multiload 375 (b) LNG - 20 (c) Cervical cap (d) Vault

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Which of the following is characteristic radiological sign of Intra-uterine fetal death Options: 1) Spalding's sign 2) Moses sign 3) Dequervain's Sign 4) Chvostek sign

Description : Which of the following is characteristic radiological sign of Intra-uterine fetal death Options: 1) Spalding's sign 2) Moses sign3) Dequervain's Sign 4) Chvostek sign

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Which of the following is incorrect regarding vasectomy? (a) No sperm occurs in seminal fluid (b) No sperm occurs in epididymis (c) Vasa deferentia is cut and tied (d) Irreversible sterility

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The purpose/purposes served by the progestin component of the combined estrogen + progestin contraceptive pill is/are: A. Suppression of ovulation B. Prompt bleeding at the end of the course C. Blockade of increased risk of endometrial carcinoma D. All of the above

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In human female, the blastocyst (a) forms placenta even before implantation (b) gets implanted into uterus 3 days after ovulation (c) gets nutrition from uterine endometrial secretion only after implantation (d) gets implanted in endometrium by the trophoblast cells.

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Last Answer : (d) gets implanted in endometrium by the trophoblast cells.

A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is (a) Gamete Internal Fertilisation and Transfer (b) Germ cell Internal Fallopian Transfer (c) Gamete Inseminated Fallopian Transfer (d) Gamete Intra Fallopian Transfer.

Description : A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is (a) Gamete Internal Fertilisation and Transfer (b) Germ cell Internal Fallopian Transfer (c) Gamete Inseminated Fallopian Transfer (d) Gamete Intra Fallopian Transfer.

Last Answer : (d) Gamete Intra Fallopian Transfer.

In human females, meiosis-II is not completed until (a) uterine implantation (b) birth (c) puberty (d) fertilisation.

Description : In human females, meiosis-II is not completed until (a) uterine implantation (b) birth (c) puberty (d) fertilisation.

Last Answer : (d) fertilisation.

3 Select the antiemetic that prevents activation of emetogenic afferents in the gut and their central relay in chemoreceptor trigger zone/nucleus tractus solitarious, but has no effect on gastric motility: A. Ondansetron B. Domperidone C. Metoclopramide D. Cisaprid

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Last Answer : A. Ondansetron

Fertilisation in humans is practically feasible only if (a) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the cervix (b) the sperms are transported into cervix within 48 hrs of release of ovum in uterus (c) the sperms are transported into vagina just after the release of ovum in fallopian tube (d) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube.

Description : Fertilisation in humans is practically feasible only if (a) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the cervix (b) the sperms are transported ... the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube.

Last Answer : (d) the ovum and sperms are transported simultaneously to ampullary-isthmic junction of the fallopian tube.

What is the work of copper-T? (a) To inhibit ovulation (b) To inhibit fertilisation (c) To inhibit implantation of blastocyst (d) To inhibit gametogenesis

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In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the egg(c) the microsporangium in which pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.

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Last Answer : (c) the microsporangium in which pollen grains develop

At which stage of spermatogenesis sperm acquire their whole structural maturity and they contain a haploid nucleus & other organs-

Description : At which stage of spermatogenesis sperm acquire their whole structural maturity and they contain a haploid nucleus & other organs-

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Spermatogenesis and sperm differentiation are under the control of

Description : Spermatogenesis and sperm differentiation are under the control of

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9.Acrosome is important for ----------- . a)ATP production, b)Dissolving membrane of ovum, c)Motility of sperm, d)Nutrition of sperm

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The increase in population all over the world is due to (a) tremendous increase in birth rate (b) significant decrease in death rate (c) gradual decrease in morbidity rate (d) failure to adopt family planning contraceptive devices

Description : The increase in population all over the world is due to (a) tremendous increase in birth rate (b) significant decrease in death rate (c) gradual decrease in morbidity rate (d) failure to adopt family planning contraceptive devices

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Irrespective of the type, all laxatives exert the following action: A. Increase the content of solids in the faeces B. Increase the water content of faeces C. Reduce absorption of nutrients D. Increase intestinal motility

Description : Irrespective of the type, all laxatives exert the following action: A. Increase the content of solids in the faeces B. Increase the water content of faeces C. Reduce absorption of nutrients D. Increase intestinal motility

Last Answer : B. Increase the water content of faeces