reproductive system Questions With Complete Solutions
______ receive and transport gametes Correct Answers Ducts
________ ________ secrete fluids into ducts Correct Answers
Accessory glands
20-30% of semen volume, slightly acidic, and contains antibiotic
seminalplasmin (prevent UTI) and is ejected into prostatic
urethra by persitalsis of prostate wall Correct Answers prostatic
fluid
3 functions of ovaries Correct Answers - produce immature
gametes (oocytes)
- secrete estrogen, progestins
- secrete inhibin, involved in feedback control of pituitary FSH
3 functions of vagina Correct Answers - passageway for
elimination of menstrual fluids
- receives spermatozoa
- forms inferior portion of birth canal
3 segments of uterine tubes Correct Answers 1. infundibulum:
expanded funnel near ovary with fimbriae
2. ampulla: middle segment with smooth muscle layers in wall
become thicker approaching uterus
3. isthmus: short segment between ampulla and uterine wall
4 major functions of male glands Correct Answers 1. activating
spermatozoa
,2. nutrients spermatozoa need for motility
3. Perislaltic contractions of spermatozoa and fluids
4. buffers to counteract acidity of urethra/vaginal environment
5 functions of estrogen Correct Answers - stimulates bone and
muscle growth
- maintains female secondary sex characteristics such as body
hair/adipose deposits
- affects CNS activity where estrogen increases sexual drive
- maintains functional accessory reproductive glands and organs
- initiates repair and growth of endometrium
5 organs of female reproductive system Correct Answers -
ovaries
- uterine tubes
- uterus
- vagina
- external genitalia
A few hours before ovulation, sympatheic and parasympathetic
nerves do what? Correct Answers turn on in a beating pattern
and initiate peristalsis.
travel of oocyte from infundibulum to uterine cavity takes 3-4
days
An incomplete serous membrane continuous with peritoneal
lining that covers the fundus and posterior surface of uterine
body and isthmus Correct Answers perimetrium
, As spermatogenesis accelerates: Correct Answers - inhibin
secretion from nurse cells increases
- inhibits FSH production
- suppresses secretion of GnRH (too much testosterone also
suppresses GnRH release) which then suppresses FSH and LH
secretion and reduces stimulation of nurse and interstitial cells
Begins before birth, *oogonium* completes mitotic division to
produce *primary oocyte* development halts at prophase 1 until
puberty
accelerates at puberty, some primordial follices (each containing
primary oocyte) become active each month. one will release
*secondary oocyte* (ovulation), the other activated follices will
degenerate (atresia) Correct Answers oogenesis
can testes produce physically mature spermatozoa that can
fertizile an oocyte? Correct Answers NO! testes produce
spermatozoa that CANNOT fertilize an oocyte
Chromosomes condense,
Synapsis occurs (Maternal and paternal chromosome come
together to form a tetrad)
Crossing over occurs Correct Answers Prophase 1
compound, tubular mucous glands located at the base of penis
(duct of each gland travels along side of penile urethra and
empties into urethral lumen), secretes thick alkaline mucus to
help neutralize urinary acids and lubricate the gland penis
Correct Answers bulbourethral glands