Old's maternal-newborn nursing Chapter 11 physical and psychological changes of pregnancy

Old's maternal-newborn nursing Chapter 11 physical and psychological changes of pregnancy The second trimester of pregnancy is considered to be? 1. 12-25 weeks 2. 13-27 weeks 3. 15-30 weeks 4. 13-25 weeks - ANS 2. The second trimester is 13-27 weeks True or false: the uterus increases in size from 10-500 mL 1. True 2. False - ANS 2. False: the uterus increases in size from 10-5000 mL True or false: The enlargement of the uterus is primarily a result of hyperplasia of the endometrium. 1. True 2. False - ANS 2. False: the enlargement of the uterus is primarily a result of hypertrophy of the myometrium. What stimulates the initial changes to the uterine walls? Select all that apply 1. Mechanical distention by the fetus and amniotic fluid 2. Progesterone 3. Estrogen 4. human chorionic gonadotropin - ANS 2., 3.,: The initial changes are stimulated by increased estrogen and progesterone levels and not by mechanical distention by the fetus, placenta, and amniotic fluid Which sign is "softening of the isthmus"? 1. Hegar sign 2. Chadwick sign 3. Goodell sign 4. Piskacek sign - ANS 1. Hegar Sign is the softening of the isthmus of the uterus. This area may become so soft that on a bimanual exam there seems to be nothing between the cervix and the body of the uterus True or False: Progesterone stimulates the epithelial tissue of the cervix, which increases in cell number and becomes hyperactive. 1. True 2. False - ANS 2. False: Estrogen stimulates the glandular tissue of the cervix, which increases in cell number and becomes hyperactive. What is the function of the mucous plug of the cervix? 1. To prevent the uterus from prolapsing. 2. To prevent the fetus from accident discharge. 3. To prevent mucous from discharging from the uterus 4. To prevent ascent of microorganisms or other substances into the uterus - ANS 4.