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4

Cu ions released from copper-releasing intra uterine devices (iuds)

A. Prevent ovulation

B. Suppress sperm motility

C. Prevents implantation of embryo

D. Kills sperms

Correct Answer :

B. Suppress sperm motility


Related Questions

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Highly sophisticated procedure of injecting sperm directly into the ovum is

A. GIFT

B. ZIFT

C. ICSI

D. IUI

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Thick layer which surrounds the ovum is ...

A. Zona pellucida

B. Membrana granulosa

C. Corona radiata

D. Theca interna

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4

Failure of the brain to grow in the foetus may result in:

A. Plagiocephaly

B. Craniostenosis

C. Anencephaly

D. Microcephaly

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4

A child's blood group is 'o'. The parent's blood groups cannot be

A. A AND B

B. A AND A

C. AB AND O

D. B AND O

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Membrane that gives protection to embryo from external shocks is

A. Amnion

B. Allantois

C. Chorion

D. Placenta

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Which cells provide nutrition to the sperms?

A. Sertoli cells

B. Leydig cells

C. Crypt cells

D. Semniferous tubules

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Fimbriae of fallopian tube ...

A. Release ovum from graffian follicle

B. Cause endometrial changes for implantation

C. Help develop corpus luteum

D. Help collection of ovum after ovulation

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When there is no fertilization, the corpus luteum ...

A. Stops secreting progesterone

B. Changes to corpus albicans

C. Starts producing progesterone

D. Begins next cycle

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Sertoli cells are found in

A. Seminiferous tubules

B. Ovaries

C. Prostate gland

D. Semen

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In a 28 day menstrual cycle, ovulation occurs on ...

A. Day 1

B. Day 5

C. Day 14

D. Day 28

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Pregnancy can be detected as early as on

A. 28 th day of cycle

B. 8th week

C. 40 th day of the cycle

D. 10 th week

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Which part of the ovary act as an endocrine gland in human beings

A. Stroma

B. Vitteline membrane

C. Graffian follicle

D. Epithelium

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In humans female ovulation occurs during menstrual cycle

A. At the end of proliferative phase

B. At the beginning of proliferative phase

C. Before the end of secretary phase

D. In the middle of secretary phase

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Name the pituitary hormone that regulates sertoli cells

A. Prolactin

B. LH

C. FSH

D. Oxytocin

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4

Medical termination of pregnancy is safe till how many weeks of pregnancy?

A. 10 weeks

B. 12 weeks

C. 20 weeks

D. 22 weeks

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Which one occurs first in the human embryo

A. Neurogenesis

B. Cardiogenesis

C. Hepatogenesis

D. Osteogesis

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When is the best time to get FSH levels checked?

A. Day 7 of the menstrual cycle

B. Day 21 of the menstrual cycle

C. Day 3 of the menstrual cycle

D. Day 14 of the menstrual cycle

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Which of the following statements is most correct about the human menstrual cycle.

A. The menstrual cycle in all women is a 28 day cycle

B. Ovulation always occurs at the midpoint of the menstrual cycle

C. A high body temperature indicates ovulation is occurring

D. The menstrual cycle is an endocrine cycle regulating reproductive physiological changes

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4

Mammary glands are modification of ...

A. Sebaceous glands

B. Sweat glands

C. Meibomian glands

D. None of the above

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4

Human placenta is

A. Endothelial

B. Haemochorial

C. Epitheliochorial

D. Syndesmochorial

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4

Pregnancy test is confirmed by the presence of

A. Prolactin in urine

B. Relaxin in urine

C. H c g in urine

D. Fsh and lh in urine

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Pregnancy begins with implantation of

A. Embryo

B. Fertilized ovum

C. Blastopore

D. Blastocyst

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Which part of the foetus is developed from mesoderm?

A. Heart and notochord

B. Heart and brain

C. Spinal cord and notochord

D. Brain and notochord

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The three primary germ layers, ectoderm, endoderm and mesoderm are differentiated during

A. Blastulation

B. Neurulation

C. Gastrulation

D. Organogenesis

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Chorionic gonadotropin is secreted by ...

A. Pituitary

B. Ovary

C. Placenta

D. Uterus

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Temperature in scrotum necessary for sperm formation is usually ...

A. 2°c above body temperature

B. 2° c below body temperature

C. 4°c above body temperature

D. 4° c below body temperature

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Embryo at 16-celled stage is called ...

A. Morula

B. Blastula

C. Blastomere

D. Gastrula

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4

Albinism is a congenital disorder resulting from the lack of which enzyme?

A. Tyrosinase

B. Xanthine oxidase

C. Catalase

D. Fructokinase.

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4

The embryonic stage that resembles a mulberry fruit is

A. Nerula

B. Gastrula

C. Morula

D. Blastula

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Which one of the following is produced early in the life of a human female?

A. Relaxin

B. Oxytocin

C. Prolactin

D. Progesterone