Question 1

Which substance is not contained in semen?

Accepted Answer

A)  Sperm 
B)  Fructose 
C)  Albumin 
D)  Prostaglandins 
A)  Sperm 
B)  Fructose 
C)  Albumin 
D)  Prostaglandins

Question 2

Refer to the figure shown.
  Which of the following hormones would not be surging at the time of arrow III in the figure?

Accepted Answer

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

Question 3

In an adult, there is a strong correlation between the _______ and both testis size and the rate of sperm production.

Accepted Answer

A)  number of Leydig cells that exist 
B)  number of Sertoli cells that exist 
C)  amount of follicle-stimulating hormone produced 
D)  amount of testosterone produced 
A)  number of Leydig cells that exist 
B)  number of Sertoli cells that exist 
C)  amount of follicle-stimulating hormone produced 
D)  amount of testosterone produced

Question 4

An important advantage of internal fertilization over external fertilization is

Accepted Answer

A)  the species recognition receptor on the egg. 
B)  species recognition through courtship behaviors. 
C)  the protected development of young inside the mother. 
D)  yolk partitioning. 
A)  the species recognition receptor on the egg. 
B)  species recognition through courtship behaviors. 
C)  the protected development of young inside the mother. 
D)  yolk partitioning.

Question 5

During the birthing process, oxytocin stimulates the myometrial muscle to produce

Accepted Answer

A)  estrogen. 
B)  prostaglandin. 
C)  progesterone. 
D)  chorionic gonadotropin. 
A)  estrogen. 
B)  prostaglandin. 
C)  progesterone. 
D)  chorionic gonadotropin.

Question 6

Explain the functional significance of the scrotum.

Accepted Answer

The scrotum houses the testes outside th

Question 7

Briefly compare and contrast the production of female and male gametes in humans.

Accepted Answer

The prevailing view is that most of the

Question 8

Refer to the figure shown.
  In a sexually indifferent embryo whose gonads will develop into ovaries, which external structure will become the labia majora?

Accepted Answer

A)  Labioscrotal swelling 
B)  Urethral groove 
C)  Urethral fold 
D)  Perineum 
A)  Labioscrotal swelling 
B)  Urethral groove 
C)  Urethral fold 
D)  Perineum

Question 9

Refer to the figure shown.   The graphs in the figure represent the

Accepted Answer

A)  number of offspring produced in a given season. 
B)  number of copulating animals in a given season. 
C)  percentage of the population capable of reproducing. 
D)  percentage of pregnant females as a function of the season. 
A)  number of offspring produced in a given season. 
B)  number of copulating animals in a given season. 
C)  percentage of the population capable of reproducing. 
D)  percentage of pregnant females as a function of the season.

Question 10

Sperm are produced in the

Accepted Answer

A)  seminal vesicles. 
B)  seminiferous tubules. 
C)  epididymis. 
D)  vas deferens. 
A)  seminal vesicles. 
B)  seminiferous tubules. 
C)  epididymis. 
D)  vas deferens.

Question 11

Diapause is important for Antarctic fur seals because

Accepted Answer

A)  it helps control the number of young being produced in a population. 
B)  it ensures young are born during the warmest time of year. 
C)  it allows more than one reproductive event to occur per year. 
D)  it allows only one reproductive event to occur per year. 
A)  it helps control the number of young being produced in a population. 
B)  it ensures young are born during the warmest time of year. 
C)  it allows more than one reproductive event to occur per year. 
D)  it allows only one reproductive event to occur per year.

Question 12

When studying the control of the annual cycle of reproduction in an aquatic mammal, which of the following questions would be considered mechanistic?

Accepted Answer

A)  Why did this particular annual cycle of reproduction come to be? 
B)  What hormones control the annual cycle of reproduction? 
C)  What other related animals possess this particular annual cycle of reproduction? 
D)  Is there an advantage to having this particular annual cycle of reproduction? 
A)  Why did this particular annual cycle of reproduction come to be? 
B)  What hormones control the annual cycle of reproduction? 
C)  What other related animals possess this particular annual cycle of reproduction? 
D)  Is there an advantage to having this particular annual cycle of reproduction?

Question 13

The oocyte and its layer of somatic cells together are called a

Accepted Answer

A)  secondary follicle. 
B)  primordial follicle. 
C)  granulosa cell. 
D)  primary follicle. 
A)  secondary follicle. 
B)  primordial follicle. 
C)  granulosa cell. 
D)  primary follicle.

Question 14

Describe the role of luteinizing hormone as it leads to ovulation.

Accepted Answer

When the anterior pituitary gland secret

Question 15

Some species of female crabs, queen honey bees, certain bats, sharks, turtles, snakes, and birds all share a common adaptation that permits flexible timing between copulation and fertilization. This is called

Accepted Answer

A)  embryonic diapause. 
B)  sperm storage. 
C)  delayed implantation. 
D)  seasonal estrous. 
A)  embryonic diapause. 
B)  sperm storage. 
C)  delayed implantation. 
D)  seasonal estrous.

Question 16

Species that provision large amounts of yolk per egg typically _______ compared to species that provision small amounts of yolk per egg.

Accepted Answer

A)  release more and smaller offspring 
B)  release fewer and larger offspring 
C)  release more and larger offspring 
D)  release fewer and smaller offspring 
A)  release more and smaller offspring 
B)  release fewer and larger offspring 
C)  release more and larger offspring 
D)  release fewer and smaller offspring

Question 17

The entry of the early embryo into the cellular matrix of the endometrium is called

Accepted Answer

A)  capacitation. 
B)  competition. 
C)  fertilization. 
D)  implantation. 
A)  capacitation. 
B)  competition. 
C)  fertilization. 
D)  implantation.

Question 18

Which structure is homologous to the scrotum?

Accepted Answer

A)  Labia minora 
B)  Clitoris 
C)  Glans penis 
D)  Labia majora 
A)  Labia minora 
B)  Clitoris 
C)  Glans penis 
D)  Labia majora

Question 19

Refer to the figure shown.
  According to the figure, copulation triggers an increase in

Accepted Answer

A)  luteinizing hormone. 
B)  follicle-stimulating hormone. 
C)  progesterone. 
D)  estrogen. 
A)  luteinizing hormone. 
B)  follicle-stimulating hormone. 
C)  progesterone. 
D)  estrogen.

Question 20

Which event occurs during (or just prior to) parturition?

Accepted Answer

A)  Estrogen stimulates myometrial cells to remove gap junctions. 
B)  Oxytocin stimulates myometrial cells to produce estrogen receptors. 
C)  Mechanoreceptors in the placenta send action potentials to the hypothalamus. 
D)  Oxytocin is secreted into the general circulation at an increased rate. 
A)  Estrogen stimulates myometrial cells to remove gap junctions. 
B)  Oxytocin stimulates myometrial cells to produce estrogen receptors. 
C)  Mechanoreceptors in the placenta send action potentials to the hypothalamus. 
D)  Oxytocin is secreted into the general circulation at an increased rate.

Exam 17: Reproduction

Which substance is not contained in semen?

Refer to the figure shown. Which of the following hormones would not be surging at the time of arrow III in the figure?

In an adult, there is a strong correlation between the _______ and both testis size and the rate of sperm production.

An important advantage of internal fertilization over external fertilization is

During the birthing process, oxytocin stimulates the myometrial muscle to produce

Explain the functional significance of the scrotum.

Briefly compare and contrast the production of female and male gametes in humans.

Refer to the figure shown. In a sexually indifferent embryo whose gonads will develop into ovaries, which external structure will become the labia majora?

Refer to the figure shown. The graphs in the figure represent the

Sperm are produced in the

Diapause is important for Antarctic fur seals because

When studying the control of the annual cycle of reproduction in an aquatic mammal, which of the following questions would be considered mechanistic?

The oocyte and its layer of somatic cells together are called a

Describe the role of luteinizing hormone as it leads to ovulation.

Some species of female crabs, queen honey bees, certain bats, sharks, turtles, snakes, and birds all share a common adaptation that permits flexible timing between copulation and fertilization. This is called

Species that provision large amounts of yolk per egg typically _______ compared to species that provision small amounts of yolk per egg.

The entry of the early embryo into the cellular matrix of the endometrium is called

Which structure is homologous to the scrotum?

Refer to the figure shown. According to the figure, copulation triggers an increase in

Which event occurs during (or just prior to) parturition?

Animals and Environments: Function on the Ecological Stage

Molecules and Cells in Animal Physiology

Genomics, Proteomics, and Related Approaches to Physiology

Physiological Development and Epigenetics

Transport of Solutes and Water

Nutrition, Feeding, and Digestion

Energy Metabolism

Aerobic and Anaerobic Forms of Metabolism

The Energetics of Aerobic Activity

Thermal Relations

Food, Energy, and Temperature at Work: The Lives of Mammals in Frigid Places

Neurons

Synapses

Sensory Processes

Nervous System Organization and Biological Clocks

Endocrine and Neuroendocrine Physiology

Integrating Systems at Work: Animal Navigation

Control of Movement

Muscle

Movement and Muscle at Work: Plasticity in Response to Use and Disuse

Introduction to Oxygen and Carbon Dioxide in Physiology

External Respiration: the Physiology of Breathing

Transport of Oxygen and Carbon Dioxide in Body Fluids With an Introduction to Acid- Base Physiology

Circulation

Oxygen, Carbon Dioxide, and Internal Transport at Work: Diving by Marine Mammals

Water and Salt Physiology: Introduction and Mechanisms

Kidneys and Excretion With Notes on Nitrogen Excretion

Water, Salts, and Excretion at Work: Mammals of Deserts and Dry Savannas

Water and Salt Physiology of Animals in Their Environments

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