Question 1

During the luteal phase a low level of progesterone and estrogen will bring about

Accepted Answer

A) the disintegration of the endometrium and the rupturing of the blood vessels. 
B) the thickening of the endometrial lining in preparation for the implantation of a zygote. 
C) the development of a secondary oocyte. 
D) a spike of the lutenizing hormone causing the oocyte to be ovulated. 
E) the enlarging of the breast tissue in order to prepare for lactation. 
A) the disintegration of the endometrium and the rupturing of the blood vessels. 
B) the thickening of the endometrial lining in preparation for the implantation of a zygote. 
C) the development of a secondary oocyte. 
D) a spike of the lutenizing hormone causing the oocyte to be ovulated. 
E) the enlarging of the breast tissue in order to prepare for lactation.

Question 2

Luteinizing hormone (LH)triggers ovulation in females.What is its role in males?

Accepted Answer

A) It does not exist since males lack ovaries. 
B) It exists in rudimentary levels since LH is made by the anterior pituitary. 
C) It controls production of testosterone. 
D) It is exactly the opposite chemical from male hormones,in an antibody-antigen fashion. 
A) It does not exist since males lack ovaries. 
B) It exists in rudimentary levels since LH is made by the anterior pituitary. 
C) It controls production of testosterone. 
D) It is exactly the opposite chemical from male hormones,in an antibody-antigen fashion.

Question 3

In a 28-day cycle,the follicular phase of the ovarian cycle occurs at about ____ and the luteal phase occurs at about ______.

Accepted Answer

A) days 1-5; days 20-28 
B) days 6-13; days 1-5 
C) day 14; days 6-15 
D) days 1-13; days 15-28 
A) days 1-5; days 20-28 
B) days 6-13; days 1-5 
C) day 14; days 6-15 
D) days 1-13; days 15-28

Question 4

Which of the following features is not an advantage of an organism that has a vivaparous life history?

Accepted Answer

A) The eggs are retained within the body of the mother until the offspring are able to fend for themselves. 
B) Development of the offspring occurs inside of the female. 
C) Offspring can live independently shortly after they are born. 
D) The mother supplies the offspring with nourishment,even after birth. 
E) The unborn offspring is supplied with a continuous flow of nutrients during development. 
A) The eggs are retained within the body of the mother until the offspring are able to fend for themselves. 
B) Development of the offspring occurs inside of the female. 
C) Offspring can live independently shortly after they are born. 
D) The mother supplies the offspring with nourishment,even after birth. 
E) The unborn offspring is supplied with a continuous flow of nutrients during development.

Question 5

Semen is composed of secretions or cells produced in all of the following structures EXCEPT

Accepted Answer

A) the prostate gland. 
B) vas deferens. 
C) bulbourethral glands. 
D) seminal vesicles. 
E) the testes. 
A) the prostate gland. 
B) vas deferens. 
C) bulbourethral glands. 
D) seminal vesicles. 
E) the testes.

Question 6

The lining of the uterus that is discharged during the menstrual phase is the

Accepted Answer

A) endocardium. 
B) endometrium. 
C) oviduct. 
D) hymen. 
E) myocardium. 
A) endocardium. 
B) endometrium. 
C) oviduct. 
D) hymen. 
E) myocardium.

Question 7

Ultimate control of testes development is by the _____ which secretes _____.

Accepted Answer

A) anterior pituitary; gonadotropin-releasing hormone 
B) anterior pituitary; testosterone 
C) seminiferous tubules; inhibin 
D) hypothalamus; gonadotropin-releasing hormone 
E) hypothalamus; testosterone 
A) anterior pituitary; gonadotropin-releasing hormone 
B) anterior pituitary; testosterone 
C) seminiferous tubules; inhibin 
D) hypothalamus; gonadotropin-releasing hormone 
E) hypothalamus; testosterone

Question 8

The structure from which an egg is released during ovulation is called a(n)

Accepted Answer

A) ovarian cyst. 
B) primary follicle. 
C) corpus luteum. 
D) secondary follicle. 
E) Graafian follicle. 
A) ovarian cyst. 
B) primary follicle. 
C) corpus luteum. 
D) secondary follicle. 
E) Graafian follicle.

Question 9

In a species of desert lizard,only females are known to exist.It is necessary for two females to court and for one to assume the posture of a male to stimulate the other female to ovulate.Of course,no fertilization can occur.This is a case of

Accepted Answer

A) hermaphroditism. 
B) parthenogenesis. 
C) sexual reproduction because the mating behavior is required. 
D) a need for further research since only primitive animals can reproduce asexually. 
A) hermaphroditism. 
B) parthenogenesis. 
C) sexual reproduction because the mating behavior is required. 
D) a need for further research since only primitive animals can reproduce asexually.

Question 10

Menopause normally occurs around age 60,when women stop menstruating and their ovaries are no longer working.

Accepted Answer

A) True 
 B)False

Question 11

All of the following animals are likely to undergo parthenogenesis EXCEPT

Accepted Answer

A) humans. 
B) flatworms. 
C) fish. 
D) lizards. 
E) insects. 
A) humans. 
B) flatworms. 
C) fish. 
D) lizards. 
E) insects.

Exam 41: Reproductive Systems

During the luteal phase a low level of progesterone and estrogen will bring about

Luteinizing hormone (LH)triggers ovulation in females.What is its role in males?

In a 28-day cycle,the follicular phase of the ovarian cycle occurs at about ____ and the luteal phase occurs at about ______.

Which of the following features is not an advantage of an organism that has a vivaparous life history?

Semen is composed of secretions or cells produced in all of the following structures EXCEPT

The lining of the uterus that is discharged during the menstrual phase is the

Ultimate control of testes development is by the _____ which secretes _____.

The structure from which an egg is released during ovulation is called a(n)

In a species of desert lizard,only females are known to exist.It is necessary for two females to court and for one to assume the posture of a male to stimulate the other female to ovulate.Of course,no fertilization can occur.This is a case of

Menopause normally occurs around age 60,when women stop menstruating and their ovaries are no longer working.

All of the following animals are likely to undergo parthenogenesis EXCEPT

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Flowering Plants: Reproduction

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

Filters

In a 28-day cycle,the follicular phase of the ovarian cycle occurs at about and the luteal phase occurs at about __.

Ultimate control of testes development is by the _ which secretes _.