Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 16, Problem 2SQ
_____ production is continuous from puberty onward in males; _____ production is cyclic and intermittent in females.
- a. Egg; sperm
- b. Sperm; egg
- c. Testosterone; sperm
- d. Estrogen; egg
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Chapter 16 Solutions
Human Biology (MindTap Course List)
Ch. 16 - Distinguish between: a. seminiferous tubule and...Ch. 16 - Which hormones influence the development of sperm?Ch. 16 - Which hormones influence the menstrual and ovarian...Ch. 16 - List four events that are triggered by the surge...Ch. 16 - What changes occur in the endometrium during the...Ch. 16 - Label the parts of the female reproductive system...Ch. 16 - Label the parts of the male reproductive system...Ch. 16 - Which oocyte stage is ovulated? What happens to it...Ch. 16 - Besides producing gametes (sperm and eggs), the...Ch. 16 - _____ production is continuous from puberty onward...
Ch. 16 - The secretion of _____ controls the formation of...Ch. 16 - During the menstrual cycle, a midcycle surge of...Ch. 16 - Ovulation releases _________. a. the corpus luteum...Ch. 16 - Which is the correct order for one turn of the...Ch. 16 - In order for sexual intercourse to produce a...Ch. 16 - Fertilization _____. a. unites the nuclei of a...Ch. 16 - Fertility specialists may advise a couple who wish...Ch. 16 - In the fertility awareness method of birth...Ch. 16 - Premenstrual syndrome (PMS) can include mood...Ch. 16 - Prob. 4CTCh. 16 - Prob. 5CT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
Placenta is the structure formed:
A.
by the union of foetal and uterine tissue
B.
by foetus only
C.
by fusion of germ layers
D.
None of these
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Which of these functions explains the role of hormones in the reproductive systems?
A. Influence female sex traits
B. Regulates body temperature.
C. Controls the calcium level in the blood.
D. Enables the body to produce more antibodies
4. Which of these reproductive parts explains the role of progesterone in the onset of puberty?
A. Penis
B. Uterine lining
C. Oviduct
D. Hypothalamus
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Menopause is the end of the menstrual cycle in the woman, occurring normally at about 50. Which of the following is NOT a result of menopause?
Select one:
A. High cholesterol level
B. Mood swings
C. Increase in calcium deposition in the bones
D. Loss of hormones
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Which of the following situations does NOT lead to decreased fertility?
Select one:
a. Low sperm count
b. Hormonal imbalance
c. Difficulty in egg production
d. Hepatitis B infection
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Damage to the sustentacular cells of the testes could impair:a. FSH and LH production. c. oogenesis.b. production of estrogens. d. spermatogenesis.
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Which of the following is likely to happen when you remove the testes of an adult male rat?
a) Decrease in follicle stimulating hormone.
b) Decrease in the level of gonadotropin releasing hormone.
c) Increase in testosterone levels.
d) Increase in the level of follicle stimulating hormone.
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The 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.
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Figure 18.17 Which of the following statements about hormone regulation of the female reproductive cycle is false? a. LH and FSH are produced in the pituitary, and estrogen and progesterone are produced in the ovaries. b. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. c. Both progesterone and estrogen are produced by the follicles. d. Secretion of GnRH by the hypothalamus is inhibited by low levels of estrogen but stimulated by high levels of estrogen.
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Figure 18.12 Which of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the seminal vesicles. b. The ejaculatory duct joins the urethra. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.
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Nutrient and waste requirements for the developing fetus are handled during the first few weeks by _____. a. the placenta b. diffusion through the endometrium c. the chorion d. the blastocyst
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Which of the following is false? a. The endoderm, mesoderm, ectoderm are germ layers. b. The trophoblast is a germ layer. c. The inner cell mass is a source of embryonic stem cells. d. The blastula is often a hollow ball of cells.
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pigment in bottom layer?
A. melatonin
B. melanin
C. mesoderm
D. ectoderm
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