Growth And Development

Front 1

which of the following processes reduces the number of chromosomes in each daughter cell to half the number present in the parent cell?

Back 1

meiosis

Front 2

Forty-six chromosomes per body cell is known as the ___ number

Back 2

diploid

Front 3

Each primary spermatocyte undergoes meiotic division I to form:

Back 3

two haploid secondary spermatocytes

Front 4

a mature follicle ready to burst open from the ovary's surface is a:

Back 4

graafian cell

Front 5

fertilization occurs in the:

Back 5

fallopian tubes

Front 6

the phenomenon of "crossing over" takes place during:

Back 6

a meiosis I only

Front 7

sex cells contain 23 chromosomes and are therefore referred to as diploid

Back 7

false

Front 8

the process of "crossing over" allows for almost infinite variety to the genetic makeup of an individual

Back 8

true

Front 9

completion of meiosis II in the released oocyte requires the head of a sperm cell to enter the oocyte

Back 9

true

Front 10

zygote is the term used to describe ovulated ovum that is awaiting fertilization

Back 10

false

Front 11

Insemination and fertilization are synonymous terms

Back 11

false

Front 12

the ovum can live for up to 3 days

Back 12

false

Front 13

during oogenesis, the cytoplasm is not equally divided among daughter cells

Back 13

true

Front 14

sperm cells can live in the female reproductive tract for up to 3 days

Back 14

true

Front 15

about 3 days after fertilization, the zygote forms into a solid mass of cells called a:

Back 15

morula

Front 16

the outer wall of a blastocyst is referred to as the :

Back 16

trophoblast

Front 17

the " bag of waters" is also called the :

Back 17

amniotic sac

Front 18

Which of the following is not a primary germ layer?

Back 18

exoderm

Front 19

by which month of fetal development are all organ systems formed and functioning

Back 19

fourth

Front 20

placental tissue secretes large amounts of human chorionic gonadotropin (hCG) early in pregnancy

Back 20

true

Front 21

the yolk sac plays a critical role in the nutrition of the developing human offspring.

Back 21

true

Front 22

the process by which the primary germ layers develop into many different kinds of tissues is called organogenesis

Back 22

false

Front 23

the blastocyst is the hollow ball of cells

Back 23

true

Front 24

the division of the cells of the zygote is called the cleavage

Back 24

false

Front 25

stage two of labor is best described as the :

Back 25

time of maximum cervical dilation until the baby exits through the vagina

Front 26

fraternal twins:

Back 26

arise from two different sperm and two different ova

Front 27

the period of infancy lasts approximately from birth to:

Back 27

18 months

Front 28

a rare, inherited condition in which an individual appears to age rapidly is:

Back 28

progeria

Front 29

a birth weight generally triples by:

Back 29

12 months

Front 30

a cesarean section is a surgical procedure that delivers a new-born through an incision in the wall of the abdomen and uterine wall.

Back 30

true

Front 31

when a single zygote divides early in it's development and forms two separate individuals, it is ireffered to as identical twinning

Back 31

true

Front 32

stage one of labor usually lasts from a few minutes to an hour

Back 32

true

Front 33

neonates have both a lumbar and thoracic curve to their spines

Back 33

false

Front 34

girls experience adolescent spurts before boys do

Back 34

true

Front 35

a sound exercise program throughout life could reduce the effects of aging in which of the following bod systems?

Back 35

cardiovascular, skeletal, muscular

Front 36

clouding of the lens of the eye is called

Back 36

cataract

Front 37

The number of functioning nephron unites in the kidney's decreases by almost 50% between the ages of 30 and 75

Back 37

true

Front 38

progesterone therapy may be used to relieve some symptoms of menopause

Back 38

false

Front 39

pregnancy induced hypertension

Back 39

preeclampsia

Front 40

placenta grows too close to the cervical opening

Back 40

placenta previa

Front 41

miscarriage

Back 41

spontaneous abortion

Front 42

common type of ectopic pregnancy

Back 42

tubal pregnancy

Front 43

breast inflammation

Back 43

mastitis

Front 44

congenital abnormalities

Back 44

birth defects

Front 45

separation of placenta from uterine wall

Back 45

abruptio placentae

Front 46

childbed fever

Back 46

puerperal fever

Front 47

study of individual development before birth

Back 47

embryology

Front 48

hollow ball that implants itself in the uterus

Back 48

blastocyst

Front 49

conception

Back 49

fertilization

Front 50

birth

Back 50

parturition

Front 51

process where germ layers develop into various tissues

Back 51

histogenesis

Front 52

solid mass formed by zygote

Back 52

morula

Front 53

first four weeks of infancy

Back 53

neonate

Front 54

fertilized ovum

Back 54

zygote

Front 55

attachment of fertilized ovum in uterus

Back 55

implantation

Front 56

older adulthood

Back 56

senescence

Front 57

length of pregnancy

Back 57

gestation

Front 58

develops from the trophoblast

Back 58

chorion

Front 59

fertilized ovum

Back 59

zygote

Front 60

inside germ layer

Back 60

endoderm

Front 61

before birth

Back 61

antenatal

Front 62

length of pregnancy

Back 62

gestation

Front 63

structural "anchor" during pregnancy

Back 63

placenta

Front 64

process of birth

Back 64

parturition

Front 65

surgical procedure in which a newborn is delivered through an incision in the abdomen and uterine wall

Back 65

c-section

Front 66

study of how the primary germ layers develop into many different kinds of tissues

Back 66

histogenesis

Front 67

fertilization until the end of the eighth week of gestation

Back 67

embryonic phase

Front 68

monitors progress of developing fetus

Back 68

ultrasonogram

Front 69

degenerative changes in the urinary system that accompany old age include which of the following

Back 69

decreased capacity of bladder etc, less blood flow through kidneys, decrease in number of nephrons

Front 70

which of the following is characteristic of a disorder called presbyopia

Back 70

lens in eye hardens loses elasticity, farsightedness of some individuals, characteristic of old age

Front 71

which of the following structures is derived from ectoderm?

Back 71

brain

Front 72

older adulthood

Back 72

senescence

Front 73

study of aging

Back 73

gerontology

Front 74

Hutchinson-Gilford disease

Back 74

progeria

Front 75

fat accumulation in arteries

Back 75

atherosclerosis

Front 76

secondary sex characteristics

Back 76

adolescence