Chapters 28-29 Flashcards
(100 cards)
1
Q
1) What are the functions of gonads and how do they store and transport gametes?
A
All of the above
2
Q
2) What makes up the male reproductive system?
A
Not the vestibular gland
3
Q
3) What is the function of the scrotum?
A
reglautes the temperature of the testes
4
Q
4) Where are sperm produced?
A
in the seminiferous tubules
5
Q
5) What do sertoli (sustentacular) cells do?
A
mediate the effects of testosterone and LH
6
Q
6) Which cells develop first in producing sperm?
A
spermatogonium
7
Q
7) What are the details of sperm production?
A
All of the above
8
Q
8) What do testosterone and dihydrotestosterone do?
A
Not to bind to the different recpetors
9
Q
9) What happens in the epididymis?
A
it is the site where sperm become capable of fertilizing an ovum
10
Q
10) What happens in the ductus deferens?
A
it can store sperm for a month or more
11
Q
11) What makes up the spermatic cord?
A
not dartros muscle
12
Q
12) What takes place in the seminal vesicles?
A
produce a fluid containing fructose which is used for ATP production by sperm
13
Q
13) What does the prostate gland do?
A
produces a fluid contaning citric acid which is used for ATP production
14
Q
14) What cells are primarily involved in testicular cancer?
A
UNKOWN
15
Q
15) What does the bulbourethral glands do?
A
secrete an alkaline mucous
16
Q
16) What is the function of semen?
A
NOT protects sperm from the hostile alkaline envoronment of the male urethra nd the female vagina
17
Q
17) What do the ovaries do?
A
they produce FSH (Follicle Stimulating Hormone) and LH (leutenizing hormone)
18
Q
18) What are the anatomical structures of the ovaries?
A
the ovarian follicles consists of oocytes in various stages of development
19
Q
19) When is oogenesis completed?
A
is completed only after the secondary oocyte has been fertilized
20
Q
20) What do the uterine tubes do?
A
transport sperm, secondary oocytes and zygotes
21
Q
21) What is the function of the uterus?
A
Not uninvolved in labor
22
Q
22) What is the anatomy of the uterus?
A
has a cervix that opens into the vagina
23
Q
23) What is the endometrium and what does it do?
A
All of the above
24
Q
24) What is the function of cervical mucus?
A
can physically prevent sperm from entering the uterus
25
25) What is the vagina?
the outlet for menstrual flow
26
26) What is another name for the vulva?
is also called the pudendum
27
27) What are the boundaries of the perineum ?
bonded anteriorly by the pubic symphysis and posteriorly by the coccyx
28
28) What do the mammary glands do?
produce milk
29
29) How is lactation accomplished?
not contraction of adipose tissue ejects milk
30
30) What is a radical hysterectomy?
removal of the body of the cervix of the uterus, uterine tubes, possibly the ovaries, the superior portion of the vagina, pelvic lymph nodes, and suporting structures such as ligaments
31
31) What is included in the female reproductive cycle?
All of the above
32
32) What does GnRH do?
stimulates production and release of FSH from the anterior pituatiary gland
33
33) What does LH do?
All of the above
34
34) What do estrogens do?
promote the development and maintenence of female reproductive structures
35
35) What is the preovulatory phase?
time when one dominant follicle becomes the mature follicle
36
36) What happens during the proliferative phase?
the thickeness of the endometrium nearly doubles
37
37) Explain ovulation.
All of the above
38
38) What does the corpus luteum do?
produces estrogen and progesterone
39
39) What happens during the secretory phase?
glycogen is secreted
40
40) What is amenorrhea associated with?
not increased body fat
41
41) Which forms of birth control has the highest failure rate?
spermicides
42
42) Which birth control method prevents pregnancy but not conception?
intra-uterine device or IUD
43
43) An embryo has one X and one Y chromosome, but the Y chromosome has no functioning SRY gene. The embryo also has no functioning gene for the production of MIS. If development continues, at birth the resulting child will appear to be what sex?
female
44
44) Which hormones are known to be directly involved in puberty?
Not relaxin
45
45) What are the typical signs or symptoms of menopause?
All of the above
46
46) What produces substances that protect the gametes and facilitate their movement?
accessory glands
47
47) Name the gametes.
sperm, secondary oocytes
48
48) Where are gametes produced?
gonads
49
49) Where is the site of spermatogenesis?
seminiferous tubules
50
50) What makes testosterone?
interstitial or Leydig cells
51
51) What is the fetal period and what branches of science deal with fertilization to adulthood and the events from fertilization to the eight week?
All of the above
52
52) What is fertilization?
sperm and secondary oocyte pronuclei are made into one diploid nucleus
53
53) What must happen in order for fertilization to occur?
sperm bind to 2p3 receptors on zona-palucita
54
54) What must happen in order for a zygote to form after syngamy occurs?
UNKOWN
55
55) It is not uncommon for a woman to release more than one secondary oocyte per cycle in the first months after she quits taking oral contraceptives. This phenomenon increases the likelihood of what occurance?
conceiving dizygotic twins
56
56) What does cleavage of the zygote do?
produces morula
57
57) What is the next stage after the morula?
blastocyst
58
58) What does the blastocyst form?
inner cell mass, trophoblast
59
59) When doe implantation occur?
day 6 after fertilization
60
60) What does Human chorionic gonadotropin (hCG) do?
sustains production of progesterone and estrogen
61
61) What happens to the inner cell mass of the blastocyst?
divides into epiglast and hypoplast which then turns into an embryo
62
62) What forms amniotic fluid?
filtrate of maternal blood
63
63) What is the function of the yolk sac?
supplies nutrients to embryo between 2nd to 3rd week, source of blood cells 3-6 week, part of gut
64
64) What is the function of the chorion?
principle embryonic part of the placenta
65
65) What is gastrulating?
produces endoderm, mesoderm, and ectoderm
66
66) Name the embryonic tissues and what do they develop into?
ectoderm becomes nervous system and epidermis
67
67) What does the human allantois do?
early formation of blood and blood vessels
68
68) Where do somites come from and how are they significant?
All are correct
69
69) How does the cardiovascular system develop?
angiogenesis is early in the third week
| blood plasma nd cells devleop earlier outside of the embryo
70
70) How does the placenta develop?
part of the corionic villi of the fetus
71
71) What is the umbilical cord?
connection between placenta and embryo
72
72) What is the process of the development of organs and body systems?
organogenesis
73
73) What occurs during the 4th week of development?
not auricles of ears appear
74
74) What happens during weeks 5, 6, and 7?
All are correct
75
75) What is the fetal period noted for as to growth?
rapid growth and change in body proportions
76
76) What is associated with weeks 9 to12 of fetal development?
fetal length doubles, upper limbs are more developed than lower limbs, gender can be observed
77
77) What is observed during weeks 17 to 20 of fetal development?
vernex casiosa and laguna cover fetus*
78
78) What is characteristic at 30 to 34 weeks of development, a fetus?
Pupilary reflex, upside down position
79
79) What is true of a 35 to 38 week male fetus?
not completely developed
80
80) List known teratogens?
All are correct
81
81) What are the effects associated with fetal alcohol syndrome?
unusual facial features, heart defects, slow prenatal growth
82
82) Fetal ultrasonography is used for what?
more accurate fetal age, confirm prengancy, position
83
83) What are the changes in a woman’s body due to pregnancy?
body parts such as the pelvis move inferior, tidal volume is increased, decreased GI tract movement
84
84) Describe the stages of labor.
dilation 6-12 hours, expulsion... A + B are correct
85
85) What are the normal respiratory and cardiovascular changes in the fetus at birth?
All are correct
86
86) What does genotype, phenotype and allele mean?
genotype is the genetic combination
phenotype is the xpression of the combination
allele is the individual gene
87
87) What conditions result from an error in meiosis?
translocation and anvephody***
88
88) What is controlled by complex inheritance?
blood type
89
89) Oscar has type O blood. His birthmother, Bertha, has type B blood. His birthfather, Alfredo, has type A blood. What are the genotypes of Oscar’s parents?
IA, i,
| IB, i
90
90) The trait for endochondral dwarfism is autosomal dominant. A zygote that is homozygous dominant will not survive embryogenesis. Individuals with normal height and limb proportions are homozygous recessive for the trait. If the letter D is used for the endochondral dwarfism trait, how would the genotype of an individual with dwarfism be written?
Dd
91
91) Cystic fibrosis is an autosomal recessive trait. If both parents are heterozygous for the cystic fibrosis trait, what is the probability that they will conceive a child that does not express the cystic fibrosis trait?
75% - 3/4
92
92) Hemophilia type A is a sex-linked, recessive disorder. What is the probability that a “normal” man and a woman who carries the trait for hemophilia will have a daughter?
50% 1/2
93
93) Give examples of human traits showing incomplete dominance?
sickle cell disease
94
94) Suppose eye color is controlled by four genes, each having a dominant and a recessive allele. If a man and woman, each with genotype AaBbCcDd, have children what would be the possible outcomes for their children?
All are correct
95
95) The first 28 days after birth is what period?
neonatal
96
96) What is the term for a human between 9 weeks of development and birth?
fetus
97
97) What is the study and management of prenatal and neonatal periods?
obstetrics
98
98) What is the union of sperm and secondary oocyte nuclei?
fertilization
99
99) What will result from two secondary oocytes fusing with two sperm?
dizygotic twins
100
100) What is the penetration of the secondary oocyte by one sperm?
syngami
