front 1 When pregnant, a woman has an increased sensitivity to the hormone angiotensin. True False | back 1 False |
front 2 Breastfeeding prolongs the duration of time it takes for the uterus to shrink to its pre-pregnancy size. True False | back 2 False |
front 3 Neonates will take their first breath only after umbilical cord vessels have been clamped. True False | back 3 False |
front 4 Stretching of the cervix causes oxytocin secretion to increase. decrease. | back 4 increase |
front 5 Braxton-Hicks contractions tend to be regular and increasingly frequent as time passes. increasingly intense as time passes. irregularly spaced and do not become more frequent as time passes. regular in timing but relatively weak. | back 5 irregularly spaced and do not become more frequent as time passes. |
front 6 In the late stages of pregnancy, estrogen stimulates increased release of hCG. secretion of atrial natriuretic factor by the heart. growth of the corpus luteum. production of oxytocin receptors in the uterus. | back 6 production of oxytocin receptors in the uterus. |
front 7 The structure of the mesoderm that induces formation of the neural tube is the head mesenchyme. amnion. notochord. paraxial mesoderm. | back 7 notochord |
front 8 Typically, at the moment a full-term baby is born, the child's lungs are fully inflated due to practice respiratory movements in the womb. not fully inflated, but they will inflate within about ten seconds. not fully inflated, and will not inflate fully for ten days, when surfactant production begins. | back 8 not fully inflated, but they will inflate within about ten seconds. |
front 9 Cells within the embryoblast have the ability to differentiate into any type of cell within the body. True False | back 9 True |
front 10 Release of breast milk occurs when the hormone_________ stimulates_________ cells to contract. prolactin; mechanoreceptor oxytocin; myoepithelial estrogen; areolar prolactin; mammary acini oxytocin; suspensory | back 10 oxytocin; myoepithelial |
front 11 Which type of food do women suffering from morning sickness generally prefer? Carbohydrate-rich foods Protein-rich foods | back 11 Carbohydrate-rich foods |
front 12 After delivering a child, the levels of CRH in the mother's blood increase. decrease. remain the same. | back 12 decrease. |
front 13 The outer layer of the trophoblast that burrows into the lining of the uterus is the embryoblast. syncytiotrophoblast. cytotrophoblast. morula. zona pellucida. | back 13 syncytiotrophoblast. |
front 14 At the start of gastrulation, a long, thin depression known as the primitive_________ forms on the surface of the epiblast. furrow node streak groove yolk | back 14 streak |
front 15 Although pregnancies are highly variable, morning sickness is most commonly experienced in the_________ trimester. first second third | back 15 first |
front 16 Shortly after birth the pressure within the right side of the heart rises. True False | back 16 False |
front 17 During pregnancy, estrogen and progesterone from the placenta stimulate FSH and LH secretion and thereby stimulate ovarian follicle development. inhibit FSH and LH secretion and thereby arrest ovarian follicle development. stimulate GnRH secretion and thereby inhibit overgrowth of the uterus. inhibit release of corticotropin-releasing hormone and thereby prevent excessive stress responses. | back 17 inhibit FSH and LH secretion and thereby arrest ovarian follicle development. |
front 18 Cleavage involves a series of_________ divisions and_________ in the overall size of the conceptus. meiotic; an increase meiotic; no change meiotic; a decrease mitotic; no change mitotic; an increase | back 18 mitotic; no change |
front 19 The second trimester of a pregnancy includes months 2–5 4–6 5–7 5–9 | back 19 4–6 |
front 20 Compared to breast milk, colostrum contains more fat and more immunoglobulins. more fat but less immunoglobulins. less fat but more immunoglobulins. less fat and less immunoglobulins. | back 20 less fat but more immunoglobulins. |