Question 1

If each of the vas deferens of a male human is cut, his semen does not contain:

Accepted Answer

A) acid-neutralizing fluid. 
B) sperm. 
C) fructose. 
D) mucus. 
E) enzymes. 
A) acid-neutralizing fluid. 
B) sperm. 
C) fructose. 
D) mucus. 
E) enzymes. B

Question 2

Ovulation test kits measure the level of LH. Why does this help to predict when ovulation will occur?

Accepted Answer

LH levels surge just prior to ovulation. Knowing when the level peaks gives the approximate time of ovulation.

Question 3

FSH causes the Sertoli cells to produce testosterone. True or False?

Accepted Answer

A) True 
 B)False  False

Question 4

In men, as testosterone levels increase, LH levels:

Accepted Answer

A) decrease. 
B) increase. 
C) remain the same. 
D) move up or down depending on the point in the cycle. 
A) decrease. 
B) increase. 
C) remain the same. 
D) move up or down depending on the point in the cycle.

Question 5

The interstitial cells of the testes produce:

Accepted Answer

A) sperm. 
B) LH. 
C) FSH. 
D) testosterone. 
E) alkaline mucus. 
A) sperm. 
B) LH. 
C) FSH. 
D) testosterone. 
E) alkaline mucus.

Question 6

The vaginal ring:

Accepted Answer

A) blocks sperm from reaching the egg. 
B) kills sperm. 
C) releases hormones that prevent ovulation. 
D) prevents STDs. 
E) decreases testosterone production. 
A) blocks sperm from reaching the egg. 
B) kills sperm. 
C) releases hormones that prevent ovulation. 
D) prevents STDs. 
E) decreases testosterone production.

Question 7

At around day 21 of the menstrual cycle, levels of ________ peak.

Accepted Answer

The answer of At around day 21 of the menstrual...

Question 8

What is the function of Sertoli cells?

Accepted Answer

to regulate sperm pr

Question 9

Which of the following is the correct path sperm travel on their way to fertilize an egg?

Accepted Answer

A) cervix → uterine tube → vagina → uterus 
B) uterus → uterine tube → cervix → vagina 
C) vagina → cervix → uterus → uterine tube 
D) uterine tube → vagina → uterus → cervix 
A) cervix → uterine tube → vagina → uterus 
B) uterus → uterine tube → cervix → vagina 
C) vagina → cervix → uterus → uterine tube 
D) uterine tube → vagina → uterus → cervix

Question 10

An animal, such as an earthworm, that is hermaphroditic:

Accepted Answer

A) reproduces by unfertilized eggs. 
B) reproduces by regeneration. 
C) produces both eggs and sperm. 
D) spawns. 
E) reproduces by budding. 
A) reproduces by unfertilized eggs. 
B) reproduces by regeneration. 
C) produces both eggs and sperm. 
D) spawns. 
E) reproduces by budding.

Question 11

Sea stars prey on clams. Clam fishermen used to cut up sea stars and throw the parts back into the ocean in order to protect the clam beds they fished. Within months, the beds were crawling with even more sea stars, and there were almost no clams. Why, in hindsight, was cutting up the sea stars not such a good idea?

Accepted Answer

A) Sea stars do not eat clams. 
B) This allowed the sea stars to reproduce parthenogenically. 
C) Sea stars have the ability to regenerate new individuals from body parts. 
D) This allowed sea stars to spawn more easily. 
E) The cut-up sea stars spawn. 
A) Sea stars do not eat clams. 
B) This allowed the sea stars to reproduce parthenogenically. 
C) Sea stars have the ability to regenerate new individuals from body parts. 
D) This allowed sea stars to spawn more easily. 
E) The cut-up sea stars spawn.

Question 12

Day 1 of the menstrual cycle is when ovulation occurs. True or False?

Accepted Answer

A) True 
 B)False

Question 13

Animals that have internal fertilization without copulation often package their sperm in ________, which are inserted into the female.

Accepted Answer

The answer of Animals that have internal fertilization without copulation...

Question 14

During an erection, blood flow to the penis is decreased. True or False?

Accepted Answer

A) True 
 B)False

Question 15

All male honeybees develop from unfertilized eggs. This is an example of:

Accepted Answer

A) sexual reproduction. 
B) external fertilization. 
C) parthenogenesis. 
D) hermaphrodism. 
E) budding. 
A) sexual reproduction. 
B) external fertilization. 
C) parthenogenesis. 
D) hermaphrodism. 
E) budding.

Question 16

What role do hormones play in spawning?

Accepted Answer

Many spawning animal

Question 17

After ejaculation, sperm live approximately ________ in the female reproductive tract.

Accepted Answer

A) 24 hours 
B) 2 to 4 days 
C) 1 week 
D) 2 weeks 
E) 1 month 
A) 24 hours 
B) 2 to 4 days 
C) 1 week 
D) 2 weeks 
E) 1 month

Question 18

Oogenesis begins:

Accepted Answer

A) during embryonic development. 
B) at puberty. 
C) after copulation. 
D) after the sperm and egg merge. 
E) at around day 14 of each menstrual cycle. 
A) during embryonic development. 
B) at puberty. 
C) after copulation. 
D) after the sperm and egg merge. 
E) at around day 14 of each menstrual cycle.

Question 19

The most important function of sexual reproduction is:

Accepted Answer

A) preserving genetic purity. 
B) keeping the genes from changing. 
C) creating genetic variability. 
D) limiting genetic recombination. 
E) producing offspring identical to the parents. 
A) preserving genetic purity. 
B) keeping the genes from changing. 
C) creating genetic variability. 
D) limiting genetic recombination. 
E) producing offspring identical to the parents.

Question 20

What are the three glands that contribute fluid to semen?

Accepted Answer

seminal ve

Exam 41: Animal Reproduction

If each of the vas deferens of a male human is cut, his semen does not contain:

Ovulation test kits measure the level of LH. Why does this help to predict when ovulation will occur?

FSH causes the Sertoli cells to produce testosterone. True or False?

In men, as testosterone levels increase, LH levels:

The interstitial cells of the testes produce:

The vaginal ring:

At around day 21 of the menstrual cycle, levels of ________ peak.

What is the function of Sertoli cells?

Which of the following is the correct path sperm travel on their way to fertilize an egg?

An animal, such as an earthworm, that is hermaphroditic:

Day 1 of the menstrual cycle is when ovulation occurs. True or False?

Animals that have internal fertilization without copulation often package their sperm in ________, which are inserted into the female.

During an erection, blood flow to the penis is decreased. True or False?

All male honeybees develop from unfertilized eggs. This is an example of:

What role do hormones play in spawning?

After ejaculation, sperm live approximately ________ in the female reproductive tract.

Oogenesis begins:

The most important function of sexual reproduction is:

What are the three glands that contribute fluid to semen?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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