Biology Exam Iiii

Front 1

Most babies are likely to survive if they are born after at least ______ months of pregnany

Back 1

7

Front 2

Sperm are produced in the

Back 2

testes

Front 3

the nervous system forms from the:

Back 3

ectoderm

Front 4

during menstruation, which layer of the uterus is sloughed off?

Back 4

the endometrium

Front 5

Sperm become capable of movement while in the ____.

Back 5

epidiymis

Front 6

Testosterone:

Back 6

-is responsible for the development of the male genitalia
-stimulates sperm production
-promotes the normal development and maintenance of sexual behavior
-is responsible for secondary sexual characteristics

Front 7

A pregnancy test is baseb on the detection of _____ in the urine of the woman.

Back 7

chorionic gonadotropin hormone

Front 8

Sperm are stored in the:

Back 8

Epididymis

Front 9

ferilization occurs in the formation of:

Back 9

the zygote

Front 10

gonorrhea can cause:

Back 10

-an STD transmission
-infant blindness
-infertility in females
-painful urination in males

Front 11

oozing painful lesion of the genitals which reoccur are characteristics of:

Back 11

genital herpes

Front 12

why is it necessary for a number of sperm to be present in order for one to fertilize the egg?

Back 12

so that the combined enzymes can digest a path through the corona radiate and zone pollucide

Front 13

Four of the five answers listed below are related by a similar effectiveness. Select the least effective

Back 13

?

Front 14

Which of the following is the most effective in helping the preventing of venereal disease?

Back 14

condoms

Front 15

The end of the period of reproductive potential or normal sexual hormone generation in human males is called:

Back 15

Andropause

Front 16

The word evolution means _____:

Back 16

to turn or change

Front 17

Gonadotropin releasing hormone (GnRH): does what?

Back 17

Stimulates the release of FSH and LH

Front 18

Which hormone(s) is (are) responsible for triggering the development of the secondary sex characteristics of males, such as beard growth?

Back 18

Androgens

Front 19

For a normal pregnancy to occur, implantation occurs in the:

Back 19

Uterus

Front 20

Which of the following sequences of structures represents the pathway of an egg released during ovulation?

Back 20

Ovary, fimbriae, oviduct, uterus

Front 21

Which apprehension drug, if taken during pregnancy, results in the production of infants without arms or legs (or only bud like arms and legs)?

Back 21

Thalidomide

Front 22

Which of the following is a disadvantage of asexual reproduction?

Back 22

it does not increase genetic variability

Front 23

vasectomy and tubal ligation result in

Back 23

an interruption of path taken by egg or sperm

Front 24

The development of secondary sexual characteristics is due to:

Back 24

increased levels of estrogen or testosterone

Front 25

A human embryo is known as a fetus after:

Back 25

8 weeks

Front 26

Which accessory gland is associated only with the human males reproductive system?

Back 26

Prostate

Front 27

The epididymis connects:

Back 27

testes and vas deferens

Front 28

The outermost membrane of an embryo that forms the majority of the placenta is the:

Back 28

Chorion

Front 29

The umbilical cord of a mammal connects the:

Back 29

fetus and placenta

Front 30

Which sexually transmitted disease caused by viruses below can now be prevented by a new vaccine used by both young males and females?

Back 30

Herpes induced cervical cancer?

Front 31

In the reproductive system the cervix is part of the:

Back 31

Uterus

Front 32

As a human, all of the mitochondria in your cells came from your mother. This is because:

Back 32

only the nucleus of the sperm enters the egg

Front 33

during a human pregnancy, implantation occurs at which stage?

Back 33

Blastocyst

Front 34

Other than sterilization and abstenance, what isthe most effective method of contraception?

Back 34

the pill

Front 35

If there is fertilization, secretion of ____ by the early embryo maintains the corpus luteurn.

Back 35

Human chorionic gonadotropin

Front 36

Developing ovarian follicles primarily secrete _____.

Back 36

estrogens

Front 37

sperm exit a males body via the _____.

Back 37

urethra

Front 38

If the cervix is a ring of connective tissue at the outer end of the uterus that holds the developing baby in the uterus, how does the baby get out of the uterus during labor?

Back 38

the cervix has a tiny opening at its enter that expands during labor, permitting passage of the child.

Front 39

Hormonally speaking, what is the difference between a child and a person who is going through puberty?

Back 39

-concentrations of gonadotropin-releasing hormone increase
-concentrations of FSH increase

Front 40

Mitosis in humans usually result in the formaton of:

Back 40

2 diploid cless?

Front 41

The increase in mid-cycle LH causes:

Back 41

ovulation

Front 42

The heart, muscle, bones, and blood develop primarily from:

Back 42

Mesoderm

Front 43

Human sperm live approximately:

Back 43

1-2 days

Front 44

The result of gastrulation is:

Back 44

a three-layered embryo