Human Biology : Concepts and Current Issues - With Access
7th Edition
ISBN: 9780321874856
Author: Johnson
Publisher: PEARSON
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Chapter 16, Problem 1TY
Summary Introduction
Introduction:
A male sperm has a flagellum that gives the sperm the ability to move forward. The midpiece of the sperm contains mitochondria that provide power to the tail to move forward. The acrosome is that part of the sperm that penetrates the ovum during fertilization.
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Which of the following statements correctly describes the function of the Sertoli cells?
a.
Stimulate spermatogenesis
b.
Support the developing sperm cells
c.
Control the overproduction of testosterone
d.
Store testosterone in the testes
Which of the following structure is controlling the rate of spermatogenesis?
a.Sertoli cells
b.Leydig cells
c.Spermatogonium
d.Spermatids
During oogenesis the cell that is fertilized by a sperm to become an egg is:
A
primary spermatocyte
B
secondary oocyte
C
primary oocyte
D
secondary spermatocyte
Chapter 16 Solutions
Human Biology : Concepts and Current Issues - With Access
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_forwardFigure 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.arrow_forwardA human blastocyst normally implants in ................. a. an oviduct c. the uterus b. a seminiferous tubule d. the vaginaarrow_forward
- 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 blastocystarrow_forwardWhat 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.arrow_forwardFollicle cells left behind after ovulation A)are shed during menstruation. B)become the corpus luteum, which secretes steroid hormones. C)become the placenta, which secretes human chorionic gonadotropin. D)become the corpus luteum, which secretes luteinizing hormone.arrow_forward
- Which of the following statements is NOT a role of follicle stimulating hormone (FSH) in the male reproductive system? a. It is suppressed by increased levels of testosterone and inhibin. b. It stimulates the Sertoli cells to produce sperm. c. It increases the production of inhibin. d. It stimulates a primary follicle to develop.arrow_forwardHow do you expect Kartagener syndrome leads to infertility? A. The lack of a plasma membrane means that pathogens and foreign substances can permeate the sperm and damage the DNA B. The lack of microtubules mean the sperm do not have tails and cannot swim to fertilize the egg C. The lack of dynein means that the sperm cannot bend their tails to swim and fertilize the eggarrow_forwardWhich of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the penis. b. Sperm mature in seminiferous tubules in the testes. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.arrow_forward
- in your own words: Why are the testes located outside of the body of organisms?arrow_forwardWhat happens to the stratum functionalis of the endometrium during menstruation? Group of answer choices a.it gets larger and more energy-rich b.it develops into the myometrium c.it allows implantation of the embryo d.it is sloughed offarrow_forwardSperm generally can only enter the uterus from the vagina around the time of ovulation because… a) When oestrogens are elevated, the mucus in the cervix becomes non viscous allowing sperm penetration b) Elevated progesterone levels open the cervix allowing the sperm to enter c) The mucus in the cervix is normally thick and viscous allowing sperm to swim into the uterus d) The LH surge opens the cervix allowing the sperm to enterarrow_forward
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