Reproductive system

66問 • 1年前

eiren

通報

問題一覧

What is the scrotum?

A sac of skin and superficial fascia

Why are the testes located in the scrotum and not the body?

Keep the testes temperature 3 degrees Celsius lower than core body temperature

Why is a lower temperature necessary in the testes?

For sperm production

Where in the testes is sperm produced?

Seminiferous tubules

Why is the rete testis an important part of the testes?

Its where sperm will partially mature

Where do sperm FULLY mature?

Tail of epididymis

Where are sperm stored until ejaculation occurs?

Tail of epididymis

Where are interstitial cells?

In connective tissue between tubules

What do interstitial cells secrete?

Testosterone

What is the function of spermatogenic cells?

Forming sperm

Who is testicular cancer most common in?

Males aged 15 to 35

What is the most important risk factor of testicular cancer?

Cryptorchidism

What is cryptorchidism?

Nondescent of the testes

Testicular cancer is common

False

Where does the spermatic chores pass through?

The inguinal canal

The spermatic cord encloses the sympathetic/parasympathetic nervous system, blood vessels, lymphatic vessels, and ductus deferens that supply the testes

True

The male copulatory organ is the ___

Penis

The reproductive function of the penis is to

Deliver sperm into the female reproductive tract

The male external genitalia include ___

Scrotum and penis

What is the female copulatory organ?

The vagina

What is the largest part of the penis?

The shaft

Where are most nerve endings located on the penis?

The glans penis

What is the prepuce of the penis more commonly known as?

The foreskin

There are 3 different erectile tissues

True

What erectile tissue is wrapped around the urethra?

Corpus spongiosum

2 of the 3 erectile tissue are called the

Corpora cavernosa

Which erectile tissue's main function is creating the erection?

Corpora cavernosum

The ___ nervous system causes more blood flow to enter the erectile tissue for an erection

Parasympathetic

What is the main function of the corpus spongiosum?

Keep the urethra during ejaculation

Erectile tissue can break like a bone

True

Anything that enlarges is called a(n) ___

Ampulla

How are sperm moved from testes to penis for ejaculation?

Peristalsis

What part of male anatomy is altered during a vasectomy?

Vas deferens are cut

A vasectomy works by inhibiting sperm production

False

What are seminal gland (vesicles) responsible for?

60 -70% of semen

The prostate gland makes 20 -30% of semen

True

Where are the bulbo-urethral glands located?

At the bulb of the penis

What do bulbo-urethral glands produce?

Clear fluid prior to ejaculation

The bulbo-urethral gland's clear fluid aids in neutralizing the urethra for semen

True

There can be sperm in the bulbo-urethral fluid

True

Semen contains ___

Fructose, fibrinogen, and prostaglandins

Prostaglandins in semen ___ the viscosity of mucus in the cervix

Decrease

Fructose in semen is for ___

ATP production

Fibrinogen is a ____ to ____ semen

Clotting factor, coagulate

Semen is liquified by ____

Fibrinolysin

Prostaglandins in semen stimulate _____ in the uterus to facilitate the movement of sperm through the female reproduce tract

Reverse peristalsis

What fills the erectile tissue for an erection to occur?

Blood

During sexual carousel, the parasympathetic nervous reflex promotes the release of ___ locally

Nitric oxide

Nitric oxide is a ___

Vasodilator

Ejaculation is defined as

The propulsion of semen from the male duct system

What prevents the expulsion of urine during ejaculation?

Constriction of the bladder internal sphincter muscle

What is a latent period?

A time frame when a manis unable to achieve another orgasm after ejaculation

At ejaculation, ____ nerves cause the bladder's internal sphincter muscle to close

Sympathetic

Resolution after ejaculation is;

When cavernous bodies lose blood and the blood is forced back into general circulation

Most human cells have ___ pairs of homologous chromosomes

Gamete formation is by ___

Meiosis

Gametes have ___ chromosomes

Every cell in the body except gametes are ___

Diploid

Gametes are ___

Haploid

A fertilized egg is called a ___

Zygote

What is meiosis?

Nuclear division in the gonads

Meiosis produces ___ daughter cells

Four haploid

Meiosis consists of two consecutive cell divisions, but only one round of DNA replication

Both statements are true

Meiosis introduces genetic variability because

All daughter cells are genetically different from original cell

Meiosis reduces the chromosome number by half

True

Choose the correct order for the path of sperm to exit the body

Epididymis → ductus deferens → ejaculatory duct → urethra

211 exam 2 ch18 part 1

eiren · 100問 · 1年前

211 exam 2 ch18 part 1

100問 • 1年前

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211 exam 2 ch18 part 2

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211 exam 2 ch18 part 2

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211 exam 2 ch19 part 1

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211 exam 2 ch19 part 1

The cardiac cycle

The cardiac cycle

211 exam 2 ch22

211 exam 2 ch22

211 lab quiz 4

211 lab quiz 4

211 exam 3 ch 24

211 exam 3 ch 24

211 lab quiz 4 cat anatomy

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211 lab quiz 4 cat anatomy

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211 lab quiz 4 reproductive anatomy extra

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211 lab quiz 4 reproductive anatomy extra

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211 lab quiz 4 urinalysis

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211 lab quiz 4 urinalysis

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211 lab quiz 4 urinary system

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211 lab quiz 4 urinary system

Urinary system

Urinary system

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211 exam 3 ch 23

211 exam 3 ch 25

211 exam 3 ch 25

211 exam 3 ch 26

211 exam 3 ch 26

211 lab quiz 3 terms

211 lab quiz 3 terms

General practice quiz

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General practice quiz

Quiz 5 histology

Quiz 5 histology

Hormones

Hormones

Diabetes

Diabetes

Endocrine system

Endocrine system

Blood

Blood

Lymphatic system

Lymphatic system

Cardiovascular system

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Cardiovascular system

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Cardiovascular system; Blood vessels

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Cardiovascular system; Blood vessels

Respiratory system

Respiratory system

Urinary System

Urinary System

Digestive system

Digestive system

Reproductive system

Reproductive system

Terminology

Terminology

Ch 1

Ch 1

Mini practical

Mini practical

Chapter 2

Chapter 2

Chapter 4

Chapter 4

Chapter 6

Chapter 6

Chapter 7

Chapter 7

Chapter l

Chapter l

Chapter 2

Chapter 2

Chapter 4

Chapter 4

Chapter 5 Microbial Metabolism

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Chapter 5 Microbial Metabolism

33問 • 1年前

eiren

Chapter 5 Microbial Metabolism

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Chapter 5 Microbial Metabolism

Mini practical 2

Mini practical 2

Skills 8

Skills 8

Chapter 6 Microbial Growth

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Chapter 6 Microbial Growth

Skills 7

Skills 7

Chapter 7 Control Of Microbial Growth

eiren · 18問 · 1年前

Chapter 7 Control Of Microbial Growth

Skills 5

Skills 5

Chapter 8 Microbial Genetics

eiren · 41問 · 1年前

Chapter 8 Microbial Genetics

Skills 4

Skills 4

Skills 6

Skills 6

Chapter 9

Chapter 9

Chapter 10

Chapter 10

Chapter 11

Chapter 11

Chapter 13

Chapter 13

Chapter 12 Fungi, Algae, Protozoa, Multicellular Parasites

eiren · 65問 · 1年前

Chapter 12 Fungi, Algae, Protozoa, Multicellular Parasites

65問 • 1年前

eiren

問題一覧

What is the scrotum?

A sac of skin and superficial fascia

Why are the testes located in the scrotum and not the body?

Keep the testes temperature 3 degrees Celsius lower than core body temperature

Why is a lower temperature necessary in the testes?

For sperm production

Where in the testes is sperm produced?

Seminiferous tubules

Why is the rete testis an important part of the testes?

Its where sperm will partially mature

Where do sperm FULLY mature?

Tail of epididymis

Where are sperm stored until ejaculation occurs?

Tail of epididymis

Where are interstitial cells?

In connective tissue between tubules

What do interstitial cells secrete?

Testosterone

What is the function of spermatogenic cells?

Forming sperm

Who is testicular cancer most common in?

Males aged 15 to 35

What is the most important risk factor of testicular cancer?

Cryptorchidism

What is cryptorchidism?

Nondescent of the testes

Testicular cancer is common

False

Where does the spermatic chores pass through?

The inguinal canal

The spermatic cord encloses the sympathetic/parasympathetic nervous system, blood vessels, lymphatic vessels, and ductus deferens that supply the testes

True

The male copulatory organ is the ___

Penis

The reproductive function of the penis is to

Deliver sperm into the female reproductive tract

The male external genitalia include ___

Scrotum and penis

What is the female copulatory organ?

The vagina

What is the largest part of the penis?

The shaft

Where are most nerve endings located on the penis?

The glans penis

What is the prepuce of the penis more commonly known as?

The foreskin

There are 3 different erectile tissues

True

What erectile tissue is wrapped around the urethra?

Corpus spongiosum

2 of the 3 erectile tissue are called the

Corpora cavernosa

Which erectile tissue's main function is creating the erection?

Corpora cavernosum

The ___ nervous system causes more blood flow to enter the erectile tissue for an erection

Parasympathetic

What is the main function of the corpus spongiosum?

Keep the urethra during ejaculation

Erectile tissue can break like a bone

True

Anything that enlarges is called a(n) ___

Ampulla

How are sperm moved from testes to penis for ejaculation?

Peristalsis

What part of male anatomy is altered during a vasectomy?

Vas deferens are cut

A vasectomy works by inhibiting sperm production

False

What are seminal gland (vesicles) responsible for?

60 -70% of semen

The prostate gland makes 20 -30% of semen

True

Where are the bulbo-urethral glands located?

At the bulb of the penis

What do bulbo-urethral glands produce?

Clear fluid prior to ejaculation

The bulbo-urethral gland's clear fluid aids in neutralizing the urethra for semen

True

There can be sperm in the bulbo-urethral fluid

True

Semen contains ___

Fructose, fibrinogen, and prostaglandins

Prostaglandins in semen ___ the viscosity of mucus in the cervix

Decrease

Fructose in semen is for ___

ATP production

Fibrinogen is a ____ to ____ semen

Clotting factor, coagulate

Semen is liquified by ____

Fibrinolysin

Prostaglandins in semen stimulate _____ in the uterus to facilitate the movement of sperm through the female reproduce tract

Reverse peristalsis

What fills the erectile tissue for an erection to occur?

Blood

During sexual carousel, the parasympathetic nervous reflex promotes the release of ___ locally

Nitric oxide

Nitric oxide is a ___

Vasodilator

Ejaculation is defined as

The propulsion of semen from the male duct system

What prevents the expulsion of urine during ejaculation?

Constriction of the bladder internal sphincter muscle

What is a latent period?

A time frame when a manis unable to achieve another orgasm after ejaculation

At ejaculation, ____ nerves cause the bladder's internal sphincter muscle to close

Sympathetic

Resolution after ejaculation is;

When cavernous bodies lose blood and the blood is forced back into general circulation

Most human cells have ___ pairs of homologous chromosomes

Gamete formation is by ___

Meiosis

Gametes have ___ chromosomes

Every cell in the body except gametes are ___

Diploid

Gametes are ___

Haploid

A fertilized egg is called a ___

Zygote

What is meiosis?

Nuclear division in the gonads

Meiosis produces ___ daughter cells

Four haploid

Meiosis consists of two consecutive cell divisions, but only one round of DNA replication

Both statements are true

Meiosis introduces genetic variability because

All daughter cells are genetically different from original cell

Meiosis reduces the chromosome number by half

True

Choose the correct order for the path of sperm to exit the body

Epididymis → ductus deferens → ejaculatory duct → urethra