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The signals for parturition orginate fro...

The signals for parturition orginate from:

A

placenta only

B

fully developed foetus only

C

Placenta as well as fully developed foetus

D

oxytocin released from maternal pituitary

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The correct Answer is:
c
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The signals for parturition originate from the fully developed foetus only. (True/false)

A : Corticotrophin releasing hormone is a a part of the clock that establishes the timing of birth . R : The signals for parturition originate from the fully developed foetus and placenta which induce mild uterine contractions called foetal ejection reflex .

Read following statements (a-d) and choose the option with only correct statements. a. Parturition occurs due to a complex neuroendocrine mechanism at the end of gestation period. b. The signals for parturition originate from fully developed foetus and placenta which induces mild uterine contraction. c. Foetal ejection reflex triggers release of oxytocin from foetal pituitary. d. Oxytocin reduces uterine contraction under positive feedback control and causes expulsion of placenta followed by foetus known as parturition. a and b b and c c and d a and d

signals for parturition originate from

Signals for parturition originate from

Signals for parturition originate from

GRB PUBLICATION-HUMAN REPRODUCTION-All Questions
  1. In human female the blastocyst:

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  2. Which of the following induces parturition?

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  3. The signals for parturition orginate from:

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  4. Signal from fully developed foetus and placenta ultimately lead to par...

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  5. The first movements of the fetus and appearance of hair on its head ar...

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  6. If for some reason, the vesa effeerentia in the human reproductive sys...

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  7. Corpus luteum releases:

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  8. Which of the following organs is devoid of glands?

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  9. Primary speratocyte differs from spermatogoniumin:

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  10. In human, cleavage divisions are:

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  11. The main function of the fimbriae of the Fallopian tube in females is ...

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  12. The given figure depicts a diagrammatic sectional view of the human fe...

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  13. The principal tail piece of human sperm shows the microtubular arrange...

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  14. What happens during fertilization in humans after many sperms reach cl...

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  15. About which day in a normal human menstrual cycle does rapid secretion...

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  16. Which one of the following statements is not true with respect to viab...

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  17. During spermatogenesis, the first meiotic divison is observed in:

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  18. hCG, hPL and relaxin are produced in women:

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  19. Identify the human development stage shown below as well as the relate...

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  20. The secretory phase in the human menstrual cycle is also called:

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