Question | Answer |
a zygote is a | fertilized egg with 46 chromosomes |
the production of testosterone in males, will stop when a man reaches 'male menopause' | false |
the umbilical cord contains 3 vessels, 2 arteries and 1 vein, the arteries carry blood from the ___ to the ___ | fetus to the placenta |
the umbilical cord contains 3 vessels, 2 arteries and 1 vein, the vein carry blood from the ___ to the ___ | placenta to the fetus |
the final metabolic change a sperm undergoes in the fallopian tube is called | capacitation |
the 23 pairs of chromosomes in the zygote consist of 22 pairs of ____ and one pair calles | autosome and |
in the plancenta how are materials exchaged between mother and fetus | diffusion and active transport |
a single cell zygote divides into a two cell stage and continues until it reaches 16 cells and continues to form a solid sphere of cells called | morula |
sexually transmitted diseases (STD) are among the most common contagious disease in the us | true |
which structure of the developing zygote will become the chorion (an embronic membrane ) after implantation | trophoblast |
the period of fetal growth extends the ___ week to week ___ of gestation | 9 to 40 |
one member of each pair of chromosomes has come from the father is called | faternal |
fluid that surrounds the embryo-fetus and serves as a cushion is | amniotic fluid |
the first hormone secreted by the placenta is the _____ and once it enters the maternal circulation and excreted in urine and is the basis of many pregnancy test | hCG |
the hereditary materials of cells is contanined inthe | dna in the chromosome |
two main functions of the placenta | exchange materials, produce hormone to help maintain pregnancy |
when meiosis takes place in the ovaries, the process is called | oogenesis |
when meiosis takes place int the testes the process is called | spermatogenesis |
the term parturition means the sequence of events that occur during birth | false |
after birth the infant begins to breath as the blood levels of ____ rise and stimulates the respiratory center of the brain in the mudella | CO2 |
sex linked traits have this designation because the genes fr them are located only on the __ chromosome | x |
one member of each pair of chromosomes has come from the mother and is called | maternal |
sex chromosomes are xx in men and xy in women | false |
this is a cyclical process | oogenesis |
t/f spermatogenesis begins at puberty and ends at menopause | false |
t/f spermatogenesis is a continuous process | true |
t/f during spermatogenesis only one functional cell is produced | FALSE |
t/f during oogenesis four functional cells are produced | false |
where is testostertone produced | within each testis |
what portion of the sperm contains mitochondria that produces atp | the middle piece |
which part of the testis does the sperm complete maturation and the flagella becomes functional | the epididymis |
the vas deferens extends through an opening in the abdominal wall, what is this opening called | inguinal canal |
what part of the sperm contains the 23 chromosomes | the head |
semen consists of what | sperm (solid), secretions (fluid) |
the acrosome contains what | enzymes that digest the membrane of the egg |
when meiosis takes place in the ovaries we call this | oogensis |
cystocele | downward displacement of urinary bladder into vagina |
define hydatidiform mole | developmental anomly of conception - grape like cluster of ?? |
what is leiomyomas | fibroid |
paget's disease is ________ and is characterized by mild crusting, scaling type of changes in the tissue of one nipple | breast cancer |
peau d' orange is a orange peel appearance of the skin when a pt is disgnosed with | breast cancer |
_____ that is pregnancy induced can be associated with the potetial life threatening disorder toxemia | hypertentsion HBP |
what is the blood test done for men to help detect disease of the prostate and is considered a marker in screening for prostate canser | psa |
name the term that represents 46 chromosomes | diploid |
what are sperm generating cells called | spermatogonia |
what is the embryonic membrane that is formed from the fetal portion of the placenta | chorion |
the period of embryonic growth ends at how many weeks | 8 |
what hormone induces the production of milk | prolactin |
what kind of tissue surrounds the glandular tissue in the breast | adipose |
the uterine lining consists of how many layers | two |
the umbilicle cord consists of how many vessels | three |
name the vessels found in the umbilicle cord | arteries and vein |
a zygote is made up of how many chromosomes | 23 |
how many pairs of sex chromosomes are found in a zygote | 1 |
how many pairs of non-sex chromosomes are found in a zxygote | 22 |
what are the non-sex chromosomes found in a zygote called | autosomes |
during _____ phase of the menstrual cycle follicle rupture | luteal |
when the follice ruptures during the menses it becomes what | corpus luteum |
where does fertilization occur | fallopian tubes |
name the layers of the uterine lining | basilar and functional |
the side of exchange is function of the placenta. what is exhcanged and where is it exchanges | materials in the blood of the mother and fetus |
parturition means what | birth |
what is the dequence of events leading up to delivery called | labor |
wht is the term for everything after birth | post partum |
within the cell the herecditary material is contained in the ____ and it is called ___? | nucleus, dna |
the ____ chromosomes comes from the father | paternal |
when doing a punnett square, how do you designate the sex chromosomes for a male | xy |
when doing a punnett square how do you designate the sex chromosomes for a female | xx |
sex linked traites are also called traits because the genes for them are located on ly on the ___ chromosomes | x-linked and x |