Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 6TY
What is the role of the corpus luteum during early pregnancy?
a. It produces the hormones that will support the early pregnancy.
b. The fertilized egg will implant in the corpus luteum.
c. The corpus luteum nourishes the rapidly growing embryo.
d. The corpus luteum protects the fertilized egg during its transport to the uterus.
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What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? a. The cells would not continue to divide. b. The corpus luteum would continue to produce progesterone and estrogen. c. Menses would flush the blastocyst out of the uterus. d. The uterine mucosa would not envelop the blastocyst.
What 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
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.
Chapter 16 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 16 - Prob. 1QCCh. 16 - Prob. 2QCCh. 16 -
3. Would you be willing to select an embryo to...Ch. 16 -
1. Name the three accessory glands of the male...Ch. 16 - Prob. 2CRCh. 16 - Explain where fertilization takes place in the...Ch. 16 - Describe the phases of the uterine cycle.Ch. 16 - Prob. 5CRCh. 16 - Prob. 6CRCh. 16 - Describe how IVF is done.
Ch. 16 - Prob. 8CRCh. 16 - Describe birth control options, and list those...Ch. 16 - Describe the various STDs of worldwide concern.Ch. 16 - Prob. 1TYCh. 16 - Prob. 2TYCh. 16 - Which of the following structures is correctly...Ch. 16 - Prob. 4TYCh. 16 - Which of the following would provide the most...Ch. 16 -
6. What is the role of the corpus luteum during...Ch. 16 - Which of the following lists the female...Ch. 16 - Prob. 8TYCh. 16 - Which two means of birth control are most similar...Ch. 16 -
10. The most widely used hormonal methods of...Ch. 16 - Prob. 11TYCh. 16 - Prob. 12TYCh. 16 - Prob. 13TYCh. 16 - Prob. 14TYCh. 16 - Prob. 15TYCh. 16 - Male sexual responsiveness and secondary sex...Ch. 16 - What keeps the ovarian and uterine cycles always...Ch. 16 - Prob. 3AWKCh. 16 - What provides the force that pushes the baby out...Ch. 16 - Both women and men can have an STD and not have...Ch. 16 - If a woman does not have an intact hymen does that...
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- In the fertility awareness method of birth control, a woman gauges her monthly fertile period by monitoring changes in the consistency of her vaginal mucus. What kind of information does such a method provide about the likelihood of getting pregnant?arrow_forward___________ removes webs between developing digits. a. Gastrulation c. Apoptosis b. Lactation d. Implantationarrow_forwardWhich 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.arrow_forward
- Which statement is accurate about the ovarian cycle? a. GnRH inhibits the anterior pituitary from secreting FSH and LH. b. Progesterone stimulates the follicle cells to mature. c. Estrogen production ceases when the secondary oocyte is ovulated. d. High levels of estrogen stimulate the anterior pituitary to secrete FSH and LH.arrow_forwardWhich is/are true concerning the development of the external genitalia? a. The clitoris and the penis both arise from the same embryonic structure b. The male urethra and the female labia minora arise from the same embryonic structure c. Many male structures form in the presence of testosterone and anti-Mullerian hormone, while many female structures form in the absence of these two hormones. d. The labia majora and the scrotum both arise from the testisarrow_forwardWhich is/are true concerning oviducts? a. the lumen of the oviduct is highly folded b. the oviduct walls contain smooth muscle that promotes the movement of sperm through the oviduct c. the epithelium facing the lumen of the oviduct has cells that are ciliated, and which serve to help move ova, or fertlized ova, to the lumen of the uterus d. secretory cells lining the oviduct produce secretions that kill spermarrow_forward
- 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 maintainedarrow_forwardWhich is/are true concerning the structure of the ovary? a. It is held in place in part by the ovarian ligament b. It is covered in a thick connective tissue capsule c. It is held in place in part by the ductus deferens d. It is held in place in part by the suspensory ligament of the ovaryarrow_forwardWhich is/are true concerning the general structure of female reproductive organs? a. the oviducts are found lateral to the uterus, along the pelvic brim b. the vagina is located posterior to the bladder and anterior to the rectum c. the distal opening of the oviduct is surrounded by the finger-like fimbriae, which serve to guide a recently ovulated ovum into the oviduct d. the cortex of the ovary contains the helicine arteryarrow_forward
- During the first trimester, hCG produced from the chorion maintains the corpus luteum. What is the purpose of maintaining the corpus luteum? Select one: a. The corpus luteum produces relaxin, which thickens the endometrium. b. The corpus luteum ensures that the endometrium does not break down during the first trimester. c. The corpus luteum supports the formation of the placenta. d. The chorion forms the fetal part of the placenta, and the corpus luteum supports the maternal part of the placenta.arrow_forwardAfter a woman gives birth, what happens to her levels of estrogen, progesterone, and prolactin? a. Progesterone, estrogen, and prolactin levels all decrease. b. Progesterone and prolactin levels decrease, and estrogen levels increase. c. Progesterone, estrogen, and prolactin levels all increase. d. Estrogen and prolactin levels increase, and progesterone levels decrease.arrow_forwardHow does the decrease in progesterone at the last weeks of pregnancy help to bring on labor?a. stimulating FSH productionb. decreasing the levels of estrogensc. dilating the cervixd. decreasing the inhibition of uterine contractilityarrow_forward
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