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The amount of testosterone and sperm produced by the testes is dependent on the influence of FSH and LH together.
When a couple is having difficulty conceiving a child, it is necessary to investigate the sperm of the male.
The constancy of the chromosome number from one generation to the next is maintained through ________.
The basic difference between spermatogenesis and oogenesis is that ________.
n oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell
The structures that receive the ovulated oocyte, providing a site for fertilization, are called ________.
the fallopian tubes
Which of the following is a correct statement about uterine tubes?
The infundibulum is the funnel-shaped region near the ovary that draws in the egg.
All of the following can be considered male secondary sex characteristics except the ________.
development of testes as opposed to ovaries
Select the correct statement about the uterine cycle.
If fertilization occurs, the corpus luteum is maintained (saved) by a hormone secreted by the developing embryo.
Which of the following occurs as a result of undescended testes?
Inadequate or nonviable sperm will be produced.
In humans, separation of the cells at the two-cell state following fertilization may lead to the production of twins, which in this case would be ________.
Which of the following phases or processes in the monthly reproductive cycle of the female occur simultaneously?
regression of the corpus luteum and a decrease in ovarian progesterone secretion
The duct system of the male reproductive system includes ________.
the ductus deferens, a duct that runs from the epididymis up into the pelvic cavity
Select the correct statement about male sexual response.
Erection is the result of vascular spaces in the erectile tissues filling with blood.
Occasionally three polar bodies are found clinging to the mature ovum. One came from an unequal division of the ovum, but from where did the other two arise?
The first polar body has also divided to produce two polar bodies.
Which of the following glands are responsible for 60% of the synthesis of semen?
the seminal vesicles
Males go through menopause as females do and there is a steady reduction in their testosterone levels.
The ability of sperm cells to move along the ductus deferens is due to ________.
Which of the following statements about the female reproductive process is not true?
Rebuilding the endometrium is under the control of prolactin.
A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released, but LH is normal. After he grows to maturity, one would expect that he would ________.
The corpus luteum is ________.
the ruptured follicle following the ejection of an oocyte from the ovary
Which of the following statements is true concerning the mammary glands of both males and females?
The mammary glands are modified sweat glands that are actually part of the integumentary system.
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