Deck 31: Reproduction and Development

Question 1

The sexually transmitted diseases _____ and _____ can cause pelvic inflammatory disease in which fallopian tubes become scarred and blocked.

A) syphilis;genital herpes
B) gonorrhea;genital herpes
C) gonorrhea;chlamydia
D) chlamydia;syphilis

Answer 1

C

Question 2

What stage of development is the embryo when it implants in the lining of the uterus?

A) Zygote
B) Morula
C) Blastocyst
D) Gastrula

Answer 2

C

Question 3

During the third trimester of development,the major change that occurs in the growing unborn child is

A) morphogenesis.
B) development of the skeleton.
C) a great increase in size.
D) formation of legs and arms.

Answer 3

C

Question 4

When does organogenesis occur during embryonic development?

A) In the tenth week of pregnancy
B) In the third month of pregnancy
C) In the fourth week of pregnancy
D) During the last trimester of pregnancy

Question 5

At birth,a human female's gametes are fully mature egg cells.

Question 6

Human sperm production takes place within the

A) prostate gland.
B) epididymis.
C) vas deferens.
D) seminiferous tubules.

Question 7

The part of the body that ultimately controls the female menstrual cycle is the

A) hypothalamus.
B) anterior pituitary.
C) ovaries.
D) uterus.

Question 8

Protandry involves males changing into females.

Question 9

During the follicular phase of the female menstrual cycle,estrogen is produced by the

A) uterus.
B) developing zygote.
C) anterior pituitary.
D) developing follicles.

Question 10

Choose the most effective means of birth control from the following list.

A) Condom
B) Birth control pill
C) Diaphragm
D) Spermicidal foam

Question 11

The corpus luteum secretes which hormone in greater abundance to inhibit FSH and to build up the lining of the uterus?

A) Follicle-stimulating hormone
B) Luteinizing hormone
C) Estrogen
D) Progesterone

Question 12

In mammals,the SRY gene is passed on by

A) males.
B) females.
C) both males and females.

Question 13

A reproductive strategy in which one individual has both testes and ovaries is called

A) fission.
B) hermaphroditism.
C) parthenogenesis.
D) sexual reproduction.

Question 14

The layer of cells called the endoderm in the developing embryo eventually gives rise to

A) epidermis and nervous system.
B) connective tissue and muscle.
C) the lining of the digestive system and associated organs.
D) hair and nails.

Question 15

During the stage called neurulation,a flexible rod,called a _______________,forms along the midline of the dorsal surface of the embryo.

A) dorsal nerve cord
B) neural groove
C) somite
D) notochord

Question 16

Which of the following is a gonad?

A) Oviduct
B) Scrotum
C) Uterus
D) Ovary
E) Prostate

Question 17

After spermatogenesis,where do sperm mature?

A) In the seminal vesicle
B) In the epididymis
C) In the vas deferens
D) In the urethra

Question 18

When does the lining of the uterus complete its thickening to prepare for the implantation of a zygote?

A) During the follicular phase
B) During ovulation
C) During the luteal phase
D) At any time

Question 19

Ovulation in females is triggered by

A) a mid-cycle surge of luteinizing hormone (LH).
B) the build-up of follicle-stimulating hormone (FSH).
C) intercourse.
D) the readiness of the uterus to accept a zygote.

Question 20

The developing embryo is termed a fetus at what stage?

A) After the third month
B) At the end of the first trimester
C) At the ninth month of pregnancy
D) At the end of the second trimester

Question 21

Which sexually transmitted disease if not treated can lead to blindness,heart disease,and mental deficiency?

A) Syphilis
B) Genital herpes
C) Gonorrhea
D) Chlamydia

Question 22

Sequential hermaphroditism among coral reef fish in which an individual is first female then male is called _______________.

Question 23

The downy hair that covers the fetus in the fifth month of development is known as _____________.

Question 24

Sertoli cells in the testes secrete testosterone.

Question 25

A polar body is a nonfunctional cell formed during egg formation.

Question 26

In humans,how many ova are produced from one primary oocyte?

A) 1
B) 2
C) 4
D) 8

Question 27

How many sperm cells are produced for every one primary spermatocyte?

A) 2
B) 4
C) 8
D) 12

Question 28

Which part of the sperm cell contains enzymes to help the sperm digest a pathway into the egg?

A) Tail
B) Centriole
C) Body
D) Nucleus
E) Acrosome

Question 29

Which of the following is a method that ends an early pregnancy by causing the endometrium to slough off?

A) RU486
B) Condoms
C) Birth control pills
D) Diaphragm
E) Spermicidal foams or jellies

Question 30

The secondary oocyte does not complete the second meiotic division until

A) ovulation.
B) puberty.
C) fertilization.
D) birth.

Question 31

Which sexually transmitted disease can be prevented with a vaccine before exposure to the virus that causes it?

A) Syphilis
B) Cervical cancer
C) Gonorrhea
D) Chlamydia

Question 32

Which of the following encloses the embryo?

A) Chorion
B) Placenta
C) Blastocoel
D) Amnion

Question 33

Skeleton,muscles,blood vessels and the heart develop from which germ layer?

A) Endoderm
B) Mesoderm
C) Ectoderm
D) All of the choices are correct.

Question 34

All of the following methods of birth control prevent fertilization of the ovum by sperm except

A) the diaphragm.
B) condoms.
C) birth control pills.
D) intrauterine devices (IUDs).
E) spermicidal foams or jellies.

Question 35

Genital herpes is the most common STD in the United States.

Question 36

What is the function of the SRY gene?

A) Formation of testes
B) Formation of ovaries
C) Production of estrogen
D) Production of progesterone

Question 37

Single-celled organisms like Euglena often reproduce by an asexual division of the organism called ________________.

Question 38

In humans,where does fertilization occur?

A) In the ovary
B) In the fallopian tubes
C) In the vagina
D) Externally

Question 39

Which hormone,secreted by the embryo,is tested for in all pregnancy tests?

A) Luteinizing hormone
B) Follicle-stimulating hormone
C) Progesterone
D) Estrogen
E) Human chorionic gonadotropin

Question 40

An egg needs to be fertilized within twenty-four hours of ovulation.

Question 41

In a process called _______________,a secondary oocyte is released from one of the ovaries into the fallopian tube.

Question 42

In the developing embryo,blocks of mesoderm that give rise to muscles and vertebrae are called ________________.

Question 43

Why are the testes suspended outside the body in humans?

Question 44

__________________ is the male sex hormone,responsible for secondary sexual characteristics.

Question 45

Compare and contrast hemaphoditism with asexual reproduction.

Question 46

The stratified epithelial membrane that lines the uterus and thickens and sheds in a monthly cycle is called the ____________________.

Question 47

Describe how oxytocin and prostaglandins function during labor and childbirth.

Question 48

Explain what kind of growth occurs in a child during the first few postnatal years.

Question 49

The muscular ring at the base of the uterus that dilates during labor and delivery is called the ___________.

Question 50

Sperm,together with the secretions from several other glands,is referred to as _____________.

Question 51

During which period of prenatal development is it especially critical not to consume alcohol and why?

Question 52

The monthly reproductive cycle of a human female is more accurately called the ______________ cycle.