Explain progesterone support of pregnancy and the reinforcing oxytocin feedback involved in childbirth.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2023–2026.
Biologia IBPaper 1A, maj 2026, TZ2wzorowane1 pktzamkniętełatwe (szac.)
Which hormonal pattern promotes the onset of childbirth in the guide-level model of labour? A. Oxytocin falls and progesterone rises B. Both oxytocin and progesterone rise without limit C. Oxytocin rises while progesterone falls D. Both oxytocin and…
Biologia IBPaper 1, listopad 2024wzorowane1 pktzamkniętełatwe (szac.)
Which hormone promotes contractions of the muscular uterine region labelled X during childbirth? A. Calcitonin B. Oxytocin C. Insulin D. Melatonin
Biologia IBPaper 2, maj 2023, TZ1wzorowane16 pktotwarteśrednie (szac.)
(a) Outline the role of ADH in maintaining water balance. (b) Explain how an end product can regulate the pathway that makes it. (c) Describe hormonal feedback involved in preparation for pregnancy, maintenance of pregnancy and childbirth.