QUESTION 19 Which of the following is true about the infant\'s production of str
ID: 3446539 • Letter: Q
Question
QUESTION 19 Which of the following is true about the infant's production of stress hormones during childbirth? A Stress hormones cause the mother to breathe deeply, increasing the oxygen supply to the baby. B. Stress hormones activate certain neural pathways in the brain, causing the baby to be alert and actively work its way down the birth canal. C.Stress hormones cause the cervix to thin and the uterine wall to contract D Stress hormones prepare the baby to breathe effectively by causing the lungs to absorb any remaining fluid and by expanding the bronchial tubes 0 E. Stress hormones interfere with normal maternal-infant bonding.Explanation / Answer
19. Stress hormones during labour cause the cervix to thin and the uterine wall to contract. The release of stress hormones or catecholamines like epinephrine helps in the movement of the foetus from the uterus to the birth canal.
Second question. b. The baby has a potentially fatal condition called congenital biliary cirrhosis. The appearance of pale yellow skin is an indication of this grave syndrome which is characterised by a breakdown of the bile duct in the liver leading to development of jaundice.
7. C. X radiation does not belong in the list as the other three substances are related to each other in terms of their use and availaibality as oral preparations of drugs or supplements.
Last question. b. The correct sequence is Meisosis: Ovum: Fusion: Zygote: Meiosis. chromosomal development begins with meiosis which leads to the production of gametes or ova with two pairs of daughter cells. These then fuse into zygote. Later as the infant grows, mitosis occurs in the general repair function of the body.