Question 1

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; testosteroneF) A) and E)
G) All of the above

Question 2

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.F) B) and D)
G) A) and B)

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 15-28E) C) and D)
F) B) and D)

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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.F) A) and D)
G) A) and C)

Question 6

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.E) B) and D)
F) B) and C)

Question 7

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.F) All of the above
G) None of the above

Question 8

All of the following animals are likely to undergo parthenogenesis EXCEPT

Accepted Answer

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

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.E) None of the above
F) C) and D)

Question 10

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.F) A) and B)
G) All of the above

Question 11

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.F) A) and B)
G) A) and D)

Exam 41: Reproductive Systems

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

Correct Answer
verified

All of the following animals are likely to undergo parthenogenesis EXCEPT

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Exam 41: Reproductive Systems

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

Correct AnswerverifiedShow Answer

All of the following animals are likely to undergo parthenogenesis EXCEPT

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified