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At what stage uteroplacental circulation started?
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- Which female organ has an endometrial lining that will support a developing baby? a. labia minora b. breast c. ovaries d. uterusAt what stage uteroplacental circulation started? a.Maternal blood entering the lacunar b.Embryo completely embedded c.Formation of extraembryonic mesoderm d.Formation of lacunarDuring which stage of pregnancy will folate supplements lower the incidence of neural tube defects in infants? a. Last trimester of pregnancy b. Second trimester of pregnancy c. Second and third trimesters of pregnancy d. Month before conception through the first trimester of pregnancy
- Which statement is NOT true regarding alcohol consumption during pregnancy? a. The surgeon general states that pregnant women should abstain from alcohol. b. Alcohol crosses the placenta freely and deprives the developing fetus of both nutrients and oxygen. c. Fetal alcohol syndrome cannot be treated, only prevented. d. No harm will result to the infant unless the mother is actually drunk.How does the human body ensure that another pregnancy does not occur during embryonic and fetal development? A. Low levels of LH B. High levels of estrogenWhich of these embryonic germ layers gives rise to muscle, bone, andblood vessels?a. ectoderm b. endoderm c. mesoderm
- What would happen if the placenta was not able to fulfill its endocrine function in a pregnantwoman? A. The level of hCG released by the trophoblast would increase B. Mature follicles would not be released by the ovaries C. FSH and LH levels would increase D. The corpus luteum would not be maintainedWhich statement is accurate about the uterus? a. The endometrium basal layer is shed each month as menses. b. The myometrium has several layers of skeletal muscle. c. The cervix projects into the vagina. d. The round ligament is peritoneum that drapes over the uterus.Which structure contains a primary oocyte, several layers of granulosa cells, and an antrum? a. primordial follicle b. primary follicle c. antral follicle d. mature follicle
- Which statement is true about the uterus?a. The basal layer of the endometrium is shed each monthduring menses.b. The myometrium is composed of several layers of skeletalmuscle.c. The cervix projects into the vagina.d. The round ligament is peritoneum that drapes over theuterus.Which syndrome can affect the gonad? a. Turner Syndrome b. Klinefelter Syndrome c. Both d. NeitherWhat is the primary source of estrogen and progesterone during the first ten weeks of pregnancy? a. Ovarian follicle b. Placenta c. Corpus luteum d. Anterior pituitary