Question
Which of these is not an important component of initiation of parturition in humans?
Release of oxytocin
Release of prolactin
Increase in estrogen and progesterone ratio
Synthesis of prostaglandins
According to the text, parturition is induced by a complex neuroendocrine mechanism involving signals that trigger the release of oxytocin from the maternal pituitary, which causes stronger uterine contractions. The summary also lists cortisol and estrogens as involved in this mechanism. In contrast, prolactin is explicitly stated to regulate the growth of mammary glands and the formation of milk (lactation), which occurs towards the end of pregnancy, rather than initiating parturition.
This question aligns with the NEET BIOLOGY syllabus, specifically targeting concepts from Human Reproduction. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.
More Human Reproduction Questions
Which one of the following is the most likely root cause of why menstruation is not taking place in a regularly cycling human female?
The figure given below depicts a diagrammatic sectional view of the female reproductive system of humans. Which one set of three parts out of A-F have been correctly identified?
Seminal plasma in humans is rich in:
Identify the human development stage and its correct site of occurrence in a normal pregnant woman:
Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of:
Capacitation occurs in:
Menstrual flow occurs due to the lack of:
Which of the following hormone levels will cause release of ovum (ovulation) from the Graafian follicle?
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