Question 1

The cessation of regular menstrual cycles due to age is called ____.

Accepted Answer

A)  menopause 
B)  the luteal phase 
C)  the follicular phase 
D)  PMS 
E)  menstruation 
A)  menopause 
B)  the luteal phase 
C)  the follicular phase 
D)  PMS 
E)  menstruation

Question 2

By the end of the fourth week of development, the embryo is ____ times larger than its starting size, although it is still less than a centimeter long.

Accepted Answer

A)  100 
B)  200 
C)  300 
D)  400 
E)  500 
A)  100 
B)  200 
C)  300 
D)  400 
E)  500

Question 3

During a human pregnancy, implantation occurs at which stage?

Accepted Answer

A)  zygote 
B)  early cleavage 
C)  blastocyst 
D)  gastrula 
E)  embryo 
A)  zygote 
B)  early cleavage 
C)  blastocyst 
D)  gastrula 
E)  embryo

Question 4

What is the order of anatomical structures through which a sperm cell passes during maturation and expulsion from the body? 1. vas deferens
2) epididymis
3) urethra

Accepted Answer

A)  1 → 2 → 3 
B)  1 → 3 → 2 
C)  2 → 3 → 1 
D)  2 → 1 → 3 
E)  3 → 1 → 2 
A)  1 → 2 → 3 
B)  1 → 3 → 2 
C)  2 → 3 → 1 
D)  2 → 1 → 3 
E)  3 → 1 → 2

Question 5

A penis becomes erect because of ____.

Accepted Answer

A)  muscle contractions 
B)  blood flow into spongy tissue 
C)  hydrostatic pressure 
D)  osmosis 
E)  abdominal wall contractions 
A)  muscle contractions 
B)  blood flow into spongy tissue 
C)  hydrostatic pressure 
D)  osmosis 
E)  abdominal wall contractions

Question 6

Menstrual flow results in the discharge of ____.

Accepted Answer

A)  the follicle 
B)  the corpus luteum 
C)  the lining of the uterus 
D)  surface cells from the vagina 
E)  blood from the blood vessels on the outer surface of the uterus 
A)  the follicle 
B)  the corpus luteum 
C)  the lining of the uterus 
D)  surface cells from the vagina 
E)  blood from the blood vessels on the outer surface of the uterus

Question 7

Gastrulation produces ____.

Accepted Answer

A)  hollow balls of cells 
B)  an embryo with germ layers 
C)  solid balls of cells 
D)  haploid cells 
E)  a yolk sac 
A)  hollow balls of cells 
B)  an embryo with germ layers 
C)  solid balls of cells 
D)  haploid cells 
E)  a yolk sac

Question 8

Shortly after fertilization, successive cell divisions convert the zygote into a multicellular embryo during a process known as ____.

Accepted Answer

A)  meiosis 
B)  parthenogenesis 
C)  gastrulation 
D)  cleavage 
E)  blastulation 
A)  meiosis 
B)  parthenogenesis 
C)  gastrulation 
D)  cleavage 
E)  blastulation

Question 9

A fully functional corpus luteum secretes ____.

Accepted Answer

A)  LH and FSH 
B)  estrogens and progesterone 
C)  GnRH and estrogens 
D)  estrogens and FSH 
E)  progesterone and LH 
A)  LH and FSH 
B)  estrogens and progesterone 
C)  GnRH and estrogens 
D)  estrogens and FSH 
E)  progesterone and LH

Question 10

Which of the listed contraceptive methods is the most effective?

Accepted Answer

A)  withdrawal 
B)  diaphragm 
C)  condoms 
D)  douching 
E)  rhythm method 
A)  withdrawal 
B)  diaphragm 
C)  condoms 
D)  douching 
E)  rhythm method

Question 11

The birth control pill is a mixture of synthetic ____.

Accepted Answer

A)  testosterone and estrogens 
B)  progesterone and estrogens 
C)  LH and FSH 
D)  LH and estrogens 
E)  progesterone and testosterone 
A)  testosterone and estrogens 
B)  progesterone and estrogens 
C)  LH and FSH 
D)  LH and estrogens 
E)  progesterone and testosterone

Question 12

Which membrane is referenced in the expression my water broke ?

Accepted Answer

A)  amnion 
B)  chorion 
C)  chorionic villi 
D)  placenta 
E)  yolk sac 
A)  amnion 
B)  chorion 
C)  chorionic villi 
D)  placenta 
E)  yolk sac

Question 13

During orgasm, _____ flood(s) the brain and evoke feelings of pleasure.

Accepted Answer

A)  epinephrine 
B)  endorphins 
C)  dopamine 
D)  GABA 
E)  oxytocin 
A)  epinephrine 
B)  endorphins 
C)  dopamine 
D)  GABA 
E)  oxytocin

Question 14

The heart in a human embryo begins to beat about ____ after fertilization.

Accepted Answer

A)  5 days 
B)  3 weeks 
C)  7 weeks 
D)  9 weeks 
E)  12 weeks 
A)  5 days 
B)  3 weeks 
C)  7 weeks 
D)  9 weeks 
E)  12 weeks

Question 15

Where in a sperm cell are mitochondria found?

Accepted Answer

A)  the head 
B)  the mid-piece 
C)  the tail 
D)  both the tail and the mid-piece 
E)  both the head and the mid-piece 
A)  the head 
B)  the mid-piece 
C)  the tail 
D)  both the tail and the mid-piece 
E)  both the head and the mid-piece

Question 16

The first cell of a new individual is the ____.

Accepted Answer

A)  blastula 
B)  gastrula 
C)  embryo 
D)  zygote 
E)  gamete 
A)  blastula 
B)  gastrula 
C)  embryo 
D)  zygote 
E)  gamete

Question 17

Which structure becomes part of the placenta?

Accepted Answer

A)  chorion 
B)  amnion 
C)  blastocoel 
D)  yolk sac 
E)  allantois 
A)  chorion 
B)  amnion 
C)  blastocoel 
D)  yolk sac 
E)  allantois

Question 18

After gastrulation, the next event in human embryo formation is ____.

Accepted Answer

A)  formation of the bones 
B)  formation of the neural tube 
C)  the initiation of the heartbeat 
D)  formation of the pharyngeal arches 
E)  apoptosis between fingers and toes 
A)  formation of the bones 
B)  formation of the neural tube 
C)  the initiation of the heartbeat 
D)  formation of the pharyngeal arches 
E)  apoptosis between fingers and toes

Question 19

The end result of cleavage is a(n) ____.

Accepted Answer

A)  blastula 
B)  gastrula 
C)  zygote 
D)  embryo 
E)  mesoderm 
A)  blastula 
B)  gastrula 
C)  zygote 
D)  embryo 
E)  mesoderm

Question 20

What is the fate of most of a woman's mature eggs?

Accepted Answer

A)  T hey are fertilized. 
B)  T hey are stored for future use. 
C)  T hey die. 
D)  T hey are reset back to primary oocytes. 
E)  They stay immature . 
A)  T hey are fertilized. 
B)  T hey are stored for future use. 
C)  T hey die. 
D)  T hey are reset back to primary oocytes. 
E)  They stay immature .

Exam 27: Animal Reproduction and Development

The cessation of regular menstrual cycles due to age is called ____.

By the end of the fourth week of development, the embryo is ____ times larger than its starting size, although it is still less than a centimeter long.

During a human pregnancy, implantation occurs at which stage?

What is the order of anatomical structures through which a sperm cell passes during maturation and expulsion from the body? 1. vas deferens 2) epididymis 3) urethra

A penis becomes erect because of ____.

Menstrual flow results in the discharge of ____.

Gastrulation produces ____.

Shortly after fertilization, successive cell divisions convert the zygote into a multicellular embryo during a process known as ____.

A fully functional corpus luteum secretes ____.

Which of the listed contraceptive methods is the most effective?

The birth control pill is a mixture of synthetic ____.

Which membrane is referenced in the expression my water broke ?

During orgasm, _____ flood(s) the brain and evoke feelings of pleasure.

The heart in a human embryo begins to beat about ____ after fertilization.

Where in a sperm cell are mitochondria found?

The first cell of a new individual is the ____.

Which structure becomes part of the placenta?

After gastrulation, the next event in human embryo formation is ____.

The end result of cleavage is a(n) ____.

What is the fate of most of a woman's mature eggs?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Plant Form and Function

Life Cycles of Flowering Plants

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