Ch. 16 Part 2

Front 1

What hormone is produced by the corpus luteum

Back 1

Progesterone

Front 2

Stages of pregnancy development

Back 2

Fertilization, embryonic development, fetal development, childbirth

Front 3

The x-ray examination and it takes breast cancer to small to feel

Back 3

Mammography

Front 4

The first cell of a new individual

Back 4

The zygote

Front 5

Oocyte is viable for how many hours after ovulation?

Back 5

12 to 24 hours

Front 6

Are the mammary glands present in both male and females?

Back 6

Yes

Front 7

What hormone does not contribute to the appearance of secondary sex characteristics?

Back 7

Progesterone

Front 8

A fluid-filled, hollow ball of cells

Back 8

Blastocyst

Front 9

prompts the corpus luteum to continue secreting progesterone and estrogen

Back 9

hCG (human chorionic gonadatropin)

Front 10

maternal and paternal gametes join to become zygote

Back 10

Fertilization

Front 11

enzymes of sperm acrosomes digest the zona pellucida

Back 11

Penetration

Front 12

the blastocyst is buried in the endometrium

Back 12

Implantation

Front 13

causes pelvic ligaments and pubic symphysis to become more flexible

Back 13

Relaxin

Front 14

causes contraction of uterus near the end of pregnancy

Back 14

Oxytocin

Front 15

carries blood to and from the placenta

Back 15

Umbilical cord

Front 16

A fluid-filled, hollow ball of cells

Back 16

Blastocyst

Front 17

prompts the corpus luteum to continue secreting progesterone and estrogen

Back 17

hCG (human chorionic gonadatropin)

Front 18

maternal and paternal gametes join to become zygote

Back 18

Fertilization

Front 19

enzymes of sperm acrosomes digest the zona pellucida

Back 19

Penetration

Front 20

the blastocyst is buried in the endometrium

Back 20

Implantation

Front 21

causes pelvic ligaments and pubic symphysis to become more flexible

Back 21

Relaxin

Front 22

causes contraction of uterus near the end of pregnancy

Back 22

Oxytocin

Front 23

carries blood to and from the placenta

Back 23

Umbilical cord

Front 24

The only 100% effective method of birth control is __________.

Back 24

Total abstinence

Front 25

The first major event of organogenesis is __________.

Back 25

Neurulation

Front 26

the process by which the blastocyst implants in the uterine wall is _______.

Back 26

Implantation

Front 27

The process by which the three primary germ layers form is known as __________.

Back 27

Gastrulation

Front 28

Sperm are known to bear __________ that respond to chemical stimuli that help them locate the ova

Back 28

Olfactory receptors

Front 29

__________ contain hydrolytic enzymes that help the sperm penetrate the membrane around the secondary oocyte

Back 29

Acrosomes

Front 30

the process by which the blastocyst implants in the uterine wall is _______.

Back 30

Implantation

Front 31

The process by which the three primary germ layers form is known as __________.

Back 31

Gastrulation

Front 32

Sperm are known to bear __________ that respond to chemical stimuli that help them locate the ova

Back 32

Olfactory receptors

Front 33

__________ contain hydrolytic enzymes that help the sperm penetrate the membrane around the secondary oocyte

Back 33

Acrosomes

Front 34

After fertilization the zygote goes through a rapid period of cell divisions called __________.

Back 34

Cleavage

Front 35

Which statement about maternal hormones during pregnancy is accurate?

Back 35

Estrogen and progesterone levels increase throughout pregnancy.

Front 36

The outermost embryonic membrane is the __________.

Back 36

Chorion

Front 37

The process that transforms the embryo into a three-layered stage is called __________.

Back 37

Gastrulation

Front 38

The three layers that form from __________ are the ectoderm, the endoderm, and the mesoderm.

Back 38

Gastrulation

Front 39

The ________ is formed from ectodermal tissues.

Back 39

Brain

Front 40

it floats ________ days before it begins implantation.

Back 40

2-3

Front 41

Prolactin causes __________.

Back 41

Milk production by the breast tissue

Front 42

_____________ is sloughed epithelial cells, bile, and other substances

Back 42

Meconium

Front 43

__________ refers to events that occur from the time of fertilization (conception) until the infant is born.

Back 43

Pregnancy

Front 44

The process of implantation generally begins __________, and is usually completed by __________.

Back 44

six to seven days after ovulation; the twelfth day after ovulation

Front 45

Which of the following occurs eight weeks into pregnancy?

Back 45

The head of the fetus is nearly as large as the body, all major brain regions are present, and the first brain waves are generated in the brain stem.

Front 46

Which of the following occurs 17-20 weeks into pregnancy, during the fetal period?

Back 46

Quickening occurs

Front 47

__________ occurs when a woman has a deformed or male-like pelvis, resulting in prolonged and difficult labor; this condition can lead to fetal brain damage, ultimately causing cerebral palsy or epilepsy.

Back 47

Dystocia

Front 48

__________ occurs when a woman has a deformed or male-like pelvis, resulting in prolonged and difficult labor; this condition can lead to fetal brain damage, ultimately causing cerebral palsy or epilepsy.

Back 48

Dystocia

Front 49

_________ are substances that can cause severe congenital abnormalities.

Back 49

Teratogens

Front 50

Which hormone produced by the placenta causes the mother's pubic symphysis to loosen and widen?

Back 50

Relaxin

Front 51

The hormone that induces labor and controls labor via a positive feedback mechanism is __________.

Back 51

Oxytocin

Front 52

What is the sequence that shows the correct order of the stages of labor?

Back 52

dilation, expulsion, placental

Front 53

The ________ stage is the longest period, lasting up to 12 hours on average.

Back 53

Dilation

Front 54

What is the function of the hormone hCG (human chorionic gonadotropin)?

Back 54

It signals the corpus luteum to continue producing estrogen and progesterone to maintain the pregnancy.

Front 55

The heart begins to beat in the developing offspring __________.

Back 55

At about 3 1/2 weeks

Front 56

Implantation of the blastocyst begins __________.

Back 56

6-7 days after ovulation

Front 57

_________ and __________ are both hormones and powerful uterine muscle stimulants that cause contractions to become more frequent and more vigorous.

Back 57

Oxytocin; Prostaglandins

Front 58

Physiological changes of the mother during pregnancy are:

Back 58

Gastrointestinal

Urinary

Respiratory

Cardiovascular

Front 59

•Morning sickness is because of elevated progesterone and estrogen

•heartburn is due to the overcrowding of organs by the fetus

• constipation

Back 59

Gastrointestinal

Front 60

•kidneys have additional burden and produce more urine

•the uterus compresses the bladder

Back 60

Urinary

Front 61

• nasal mucosa becomes congested and swollen

• vital capacity and respiratory rate increase

•dyspnea (difficult breathing) occurs during later stages of pregnancy

Back 61

Respiratory

Front 62

•Blood volume increases by 25 to 40%

•Blood pressure and pulse increase

•Varicose veins are common

Back 62

Cardiovascular