EBK HUMAN ANATOMY
9th Edition
ISBN: 9780134424828
Author: Nath
Publisher: YUZU
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Chapter 28, Problem 6RFT
Summary Introduction
To review:
Match the term third trimester with the most closely related description given below:
Begins with the onset of the true labor
Begins as the dilation of the cervix is complete
Birth
Described by quick fetal growth
Incision via the peroneal musculature
A sheet of follicular cells around the oocyte
An enzyme in the acrosome
The cytoplasm of the oocyte
Time of embryonic/early fetal development
Described by the continued development of the organ systems
Introduction:
The gestation period is segregated into three trimesters namely first, second, and third. The first trimester starts from week 1 to the week 12. Second is marked from week 13 to week 26, and the third trimester is from week 27 to the end of the pregnancy.
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The birth starts thanks to increased ... ...
release of glucocorticoids from the fetus. ...
stretching of the uterine muscles. ...
release of oxytocin. ...
release of estrogen from the placenta.
The ovaries stop secreting estrogens and testosterone after menopause. This does not lead to (a) an increase in the growth of pubic hair, (b) cardiovascular disorders, (c) a decline in bone mass, (d) vaginal dryness.
The hormones that stimulate the ovarian cycle are secreted by the _____________; the hormones that stimulate the uterine cycle are secreted by the _____________ (a) ovary / uterus, (b) pituitary gland / ovary, (c) follicle cells / functional layer, (d) interstitial cells / placenta, (e) ovary / pituitary gland.
Chapter 28 Solutions
EBK HUMAN ANATOMY
Ch. 28 - Match each numbered item with the most closely...Ch. 28 - Prob. 2RFTCh. 28 - Prob. 3RFTCh. 28 - Prob. 4RFTCh. 28 - Prob. 5RFTCh. 28 - Prob. 6RFTCh. 28 - Prob. 7RFTCh. 28 - Prob. 8RFTCh. 28 - Match each numbered item with the most closely...Ch. 28 - Prob. 10RFT
Ch. 28 - Identify the two extra-embryonic membranes and the...Ch. 28 - Prob. 12RFTCh. 28 - Prob. 13RFTCh. 28 - Prob. 14RFTCh. 28 - 15. A blastocyst is a(n)
(a) extra-embryonic...Ch. 28 - During the second trimester, the most significant...Ch. 28 - Prob. 17RFTCh. 28 - Prob. 18RFTCh. 28 - The extra-embryonic membrane that forms the...Ch. 28 - During implantation, the (a) syncytiotrophoblast...Ch. 28 - 1. What would be the fate of an embryo if the...Ch. 28 - Prob. 2RCCh. 28 - 3. The stage of development that follows cleavage...Ch. 28 - Prob. 4RCCh. 28 - Prob. 5RCCh. 28 - Describe the effects of human chorionic...Ch. 28 - 7. What occurs during amphimixis?
Ch. 28 - Prob. 8RCCh. 28 - Prob. 9RCCh. 28 - Prob. 10RCCh. 28 - 1. Joe and Jane desperately want to have children,...Ch. 28 - 2. The virus that causes rubella, or "German...
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- During human gestation, rudiments of all organs develop (A) in the first trimester. (B) in the second trimester. (C) in the third trimester. (D) during the blastocyst stage.arrow_forwardA mature follicle mainly secretes ... ... progesterone. ... LH (luteinizing hormone). ... estrogen (estradiol). ... relaxin. ... FSH (follicle stimulating hormone)arrow_forwardOvum production, or oogenesis, begins, (a) before birth. (b) after birth. (c) at puberty. (d) after pubertyarrow_forward
- In females, meiosis is not completed (a) until birth. (b) until puberty. (c) until fertilization occurs. (d) until ovulation occurs.arrow_forwardThe birth starts thanks to increased ... a) ... stretching of the uterine muscles. b) ... release of oxytocin. c) ... release of glucocorticoids from the fetus. d) ... release of estrogen from the placenta.arrow_forwardA sudden surge in the level of LH causes, (a) the onset of menstruation. (b) the rupture of the follicular wall and ovulation. (c) the beginning of the proliferative phase. (d) the end of the uterine cycle.arrow_forward
- In men, LH (luteinizing hormone) stimulates ... a) ... spermatogenesis. b) ... the development of the sperm ducts. c) ... the production of testosterone.arrow_forwardWhich of the following events does not take place when a fetus is 17 to 20 weeks old? (a) fetal movements quicken, (b) testes descend to the scrotum, (c) silklike hair covers the skin, (d) sweat glands form.arrow_forward(c) Name two hormones produced by the ovaries in female. (d) Name the major cells in the gonads that produce the two hormones in (c) during follicular phase. during luteal phases. (e) Contraceptive pill contains the two hormones in (c). Briefly explain how they work.arrow_forward
- Peaks of LH and FSH production occur during (A) the menstrual flow phase of the uterine cycle. (B) the beginning of the follicular phase of the ovarian cycle. (C) the period just before ovulation. (D) the secretory phase of the uterine cycle.arrow_forwardThe hormone-secreting layer of the placental barrier is (a) the extraembryonic mesoderm, (b) the lacunae, (c) endothelium, (d) cytotrophoblast, (e) syncytiotrophoblast.arrow_forwardThe fetal period is (a) from weeks 9–38, (b) the time of rapid growth of body organs, (c) a time of cell differentiation, (d) all of the above, (e) none of the above.arrow_forward
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