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The diamond-shaped area between the coccyx, pubic arch, and ischial tuberosities in the female is the vulva.
A scrotal muscle that contracts in response to cold environmental temperature is the cremaster.
The secretions of the bulbourethral glands neutralize traces of acidic urine in the urethra and serve as a lubricant during sexual intercourse.
When a couple is having difficulty conceiving a child, it is necessary to investigate the sperm of the male.
The amount of testosterone and sperm produced by the testes is dependent on the influence of FSH alone.
The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?
They regulate the temperature of the testes
The constancy of the chromosome number from one cell generation to the next is maintained through ________.
Spermiogenesis involves _.
the formation of a functional sperm by the stripping away of superfluous cytoplasm
All of the following can be considered male secondary sex characteristics except the ________.
development of testes as opposed to ovaries
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 ________.
Characteristics of the mature sperm include ________.
the presence of Y chromosomes in approximately half the sperm
The ability of sperm cells to move along the ductus deferens is due to ________.
Which of the following statements about sperm is not true?
The sperm midpiece consists of Golgi bodies spiraled tightly around the contractile filaments of the tail
Select the correct statement about male sexual response.
Erection is the result of vascular spaces in the erectile tissues filling with blood
Select the correct statement about mammary glands.
The breasts of most nonpregnant females are composed of fat and connective tissue
During the secretory phase of the menstrual cycle ________.
progesterone levels are at their highest
Select the correct statement about the uterine cycle.
If fertilization occurs, the corpus luteum is maintained by a hormone secreted by the developing embryo
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
The basic difference between spermatogenesis and oogenesis is that ________.
in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell
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
Select the correct statement about testosterone control.
GnRh from the hypothalamus causes FSH and LH release from the anterior pituitary
Which of the following is a correct statement about uterine tubes?
The infundibulum is the funnel-shaped region near the ovary
Select the correct statement about the hormonal events of the ovarian cycle.
High estrogen levels result in a surge of LH release
Which of these statements about sexually transmitted diseases is false?
Syphilis is caused by a virus that may lead to death if untreated
Which of the following statements about spermatogenesis is not true?
Each spermatid forms two sperm.
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 ________.
Which of the following statements about the female reproductive process is not true?
Rebuilding the endometrium is under the control of prolactin
A low secretion of luteinizing hormone (LH) in the normal male adult would cause ________.
decreased testosterone secretion
All of the following statements referring to the uterine cycle are true except ________.
FSH and LH directly promote development of the uterine endometrium
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 ________.
ductus deferens, a duct that runs from the epididymis up into the pelvic cavity
Prostate cancer is _______.
sometimes a slow-growing cancer that may never represent a threat to the patient
The corpus luteum is ________.
the ruptured follicle following the ejection of an oocyte from the ovary
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