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Collectively, the functional male and female reproductive cells are called
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The reproductive organs that produce gametes and hormones are the
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28- Reproductive

Reproductive System MC Questions

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Collectively, the functional male and female reproductive cells are called gametes
The reproductive organs that produce gametes and hormones are the gonads
In the male, the important functions of the epididymus are to monitor and adjust the composition of the tubular fluid, to act as a recycling center for damaged spermatozoa, as the site of physical maturation
Beginning inferior to the urinary bladder, sperm travel to the exterior through the urethral regions in the following order prostatic urethra, membranous urethra, spongy urethra
The external genitalia of the male includes the scrotum and penis
The three masses of erectile tissue that comprise the body of the penis are two cylindrical corpora cavernosa and a slender corpus spongiosum
In the process of spermatogenesis, the developmental sequence includes spermatocytes, spermatogonia, spermatids, and spermatozoa
An individual spermatozoon completes its development in the seminiferous tubules and its physical maturation in the epididymus in approximately 9 weeks
In the male, sperm cells, before leaving the body, travel from the testes to the epididymus -> ductus deferens -> ejaculatory duct -> urethra
The accessory organs in the male that secrete into the ejaculatory ducts and the urethra are the seminal vesicles, prostate gland, and the bulbourethral glands
Semen, the volume of fluid called the ejaculate, contains spermatozoa, seminal fluid, and enzymes
The hormone synthesized in the hypothalamus the initiates release of pituitary hormones is gonadotropin-releasing hormone
The hormone that promotes spermatogenesis along the seminiferous tubules is Luteinizing Hormone
The function of the uterus in the female is to provide mechanical protection and nutritional support to the developing embryo
In the female, after leaving the ovaries, the ovum travels in the uterine tubes to the uterus via the infundibulum -> ampulla -> isthmus -> intramural portion
Starting at the superior end, the uterus in the female is divided into body, isthmus, cervix
Ovum transport in the uterine tubes involves a combination of ciliary movement and peristaltic contractions
The outer limits of the vulva are established by the mons pubis and labia majora
The ovarian cycle begins as activated follicles develop into primary follicles
The process of oogenesis produces three nonfunctional polar bodies that eventually disintegrate and one functional ovum
The proper sequence that describes the ovarian cycle involves formation of primary follicles, secondary follicles, tertiary follicles, ovulation, and formation and destruction of the corpus luteum
Under normal circumstances, in a 28-day cycle, ovulation occurs on ________, and the menses begins on __________. Day 14; Day 1
The reproductive functions of the vagina are as a passageway for the elimination of menstrual fluids, to receive the penis during coitus, to form the lower portion of the birth canal during childbirth
The dominant hormone of the follicular phase is estradiol
The principal hormone of the luteal phase is progesterone
High estrogen levels stimulate LH secretion, increase pituitary sensitivity to GnRH, increase the GnRH pulse frequency
Peristaltic contractions of the ampulla, pushing fluid and spermatozoa into the prostatic urethra are called emission
In the male, erotic thoughts and stimulation of sensory nerves in the genital region lead to an increase in parasympathetic outflow over the pelvic nerves, which in turn leads to erection of the penis
Engorgement of the erectile tissues of the clitoris and increased secretion of the greater vestibular glands involve neural activity that includes parasympathetic activation
Menopause is accompanied by a sharp and sustained rise in the production of _________ while circulating concentrations of ___________ decline GnRH, FSH, and LH; estrogen and progesterone
In the male, between the ages of 50 and 60 circulating ________ levels begin to decline, coupled with increases in circulating levels of __________. testosterone; FSH and LH
The system that controls sexual behavior and sexual function is the nervous system
The part of the endometrium that undergoes cyclical changes in response to sexual hormone levels is the functional zone
In a 28-day cycle, estrogen levels peal at day 14
The rupture of the follicular wall and ovulation are caused by a sudden surge in LH (luteinizing hormone) concentration
The spermatic cord is a structure that includes the ductus deferens, blood vessels, nerves, and lymphatics
The functions of the nurse cells are maintenance of the blood-testis barrier, support of spermiogenesis, secretion of inhibin and androgen-binding protein
The tail of the sperm has the unique distinction of being the only flagellum in the human body
The functions of the prostate gland are to produce acidic secretions and a compound with antibiotic properties
Powerful, rhythmic contractions in the ischiocavernous and bulbocavernous muscles of the pelvic floor result in ejaculation
The process of erection involves complex neural processes that include increased parasympathetic outflow over the pelvic nerves
Impotence, a common male sexual dysfunction, is the inability to achieve or maintain an erection
The ovaries, uterine tubes, and uterus are enclosed within an extensive mesentery known as the broad ligament
If fertilization is to occur, the ovum must encounter spermatozoa during the first _________ hours of its passage 12-24
The three pairs of suspensory ligaments that stabilize the position of the uterus and limit its range of movement are the uterosacral, round, and cardinal
The histological composition of the uterine wall consists of the endometrium, myometrium, and perimetrium
The hormone that acts to reduce the rate of GnRH and FSH production by the anterior pituitary is inhibin
The three sequential stages of the menstrual cycle are menses, proliferative phase, follicular phase
At the time of ovulation, basal body temperature increases slightly
The seminal vesicles secrete a fructose-rich fluid
A recently marked drug is said to "remind the pituitary" to produce the gonadotropins, FSH, and LH. This drug might be useful as a fertility drug
Created by: ariellebtan
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