Question 1

The second meiotic division occurs within the ovary before ovulation takes place.

Accepted Answer

A) True 
 B)False

Question 2

Select the structure that serves as a common passageway for two tracts in the male.

Accepted Answer

A)  anterior pituitary 
B)  ductus deferens 
C)  ejaculatory duct 
D)  ureter 
E)  urethra 
A)  anterior pituitary 
B)  ductus deferens 
C)  ejaculatory duct 
D)  ureter 
E)  urethra

Question 3

In a sexually mature individual, pulses of GnRH are secreted once a day.

Accepted Answer

A) True 
 B)False

Question 4

Complete each of the following statments.
An undescended testis is known as a(n) ____________________.

Accepted Answer

The answer of Complete each of the following statments.
An undescended...

Question 5

During ejaculation, the sphincter at the neck of the bladder reflexively opens to allow semen to enter the urethra.

Accepted Answer

A) True 
 B)False

Question 6

Complete each of the following statments.
Prostaglandins are locally acting chemical messengers derived from the plasma-membrane component called ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Prostaglandins are...

Question 7

Several hundred million sperm may reach maturity daily.

Accepted Answer

A) True 
 B)False

Question 8

What is the advantage of having polar bodies formed in oogenesis?

Accepted Answer

A)  to produce four gametes, each with adequate amounts of nutrients 
B)  to produce one functional gamete with maximal nutrient content 
C)  to dispose of extra chromosomes 
D)  to produce four gametes, each with adequate amounts of nutrients, and one functional gamete with maximal nutrient content 
E)  to produce four gametes, each with adequate amounts of nutrients, and to dispose of extra chromosomes 
A)  to produce four gametes, each with adequate amounts of nutrients 
B)  to produce one functional gamete with maximal nutrient content 
C)  to dispose of extra chromosomes 
D)  to produce four gametes, each with adequate amounts of nutrients, and one functional gamete with maximal nutrient content 
E)  to produce four gametes, each with adequate amounts of nutrients, and to dispose of extra chromosomes

Question 9

Complete each of the following statments.
The single gene within the Y chromosome that is responsible for sex determination is the ____________________ region of the ____________________.

Accepted Answer

The answer of Complete each of the following statments.
The single...

Question 10

Complete each of the following statments.
The ____________________ of the testes secrete testosterone under the hormonal influence of ____________________.

Accepted Answer

interstitial cells o

Question 11

Which of the following secretes male sex hormone?

Accepted Answer

A)  seminal vesicles 
B)  prostate gland 
C)  Sertoli cells 
D)  bulbourethral glands 
E)  interstitial cells 
A)  seminal vesicles 
B)  prostate gland 
C)  Sertoli cells 
D)  bulbourethral glands 
E)  interstitial cells

Question 12

Which of the following is the correct order in which the glands add seminal fluid to migrating sperm cells in the male reproductive tract?

Accepted Answer

A)  bulbourethral glands, prostate, seminal vesicles 
B)  bulbourethral glands, seminal vesicles, prostate 
C)  prostate, bulbourethral glands, seminal vesicles 
D)  prostate, seminal vesicles, bulbourethral glands 
E)  seminal vesicles, prostate, bulbourethral glands 
A)  bulbourethral glands, prostate, seminal vesicles 
B)  bulbourethral glands, seminal vesicles, prostate 
C)  prostate, bulbourethral glands, seminal vesicles 
D)  prostate, seminal vesicles, bulbourethral glands 
E)  seminal vesicles, prostate, bulbourethral glands

Question 13

The placenta provides a site for maternal and fetal blood to thoroughly mix to allow O2 and nutrients to be delivered to the fetus and CO2 and other waste products to be removed from the fetus.

Accepted Answer

A) True 
 B)False

Question 14

The Müllerian ducts persist in female fetuses and develop into the uterus and oviducts.

Accepted Answer

A) True 
 B)False

Question 15

The corpus luteum

Accepted Answer

A)  develops from the polar body after ovulation 
B)  develops from the fertilized ovum through a process of division and differentiation 
C)  develops from the ruptured follicle after ovulation 
D)  of pregnancy is stimulated by estrogen and progesterone secretion from the placenta 
E)  is sloughed during menstruation if fertilization does not occur 
A)  develops from the polar body after ovulation 
B)  develops from the fertilized ovum through a process of division and differentiation 
C)  develops from the ruptured follicle after ovulation 
D)  of pregnancy is stimulated by estrogen and progesterone secretion from the placenta 
E)  is sloughed during menstruation if fertilization does not occur

Question 16

One primary oocyte containing 46 doubled chromosomes yields only one ovum containing 23 unpaired chromosomes.

Accepted Answer

A) True 
 B)False

Question 17

Complete each of the following statments.
The reproductive tract includes a system of ducts plus ____________________, which secrete into these passageways.

Accepted Answer

accessory

Question 18

The endometrium is composed primarily of smooth muscle that thickens under the influence of estrogen.

Accepted Answer

A) True 
 B)False

Question 19

The number of primary oocytes in a female

Accepted Answer

A)  is decreased continually throughout her reproductive life from puberty to menopause 
B)  is maintained constant during her reproductive life because those that are lost are continuously replaced by an equal number of new primary oocytes 
C)  increases at the time of menopause 
D)  is decreased continually throughout her reproductive life from puberty to menopause and increases at the time of menopause 
E)  is maintained constant during her reproductive life because those that are lost are continuously replaced by an equal number of new primary oocytes, and increases at the time of menopause 
A)  is decreased continually throughout her reproductive life from puberty to menopause 
B)  is maintained constant during her reproductive life because those that are lost are continuously replaced by an equal number of new primary oocytes 
C)  increases at the time of menopause 
D)  is decreased continually throughout her reproductive life from puberty to menopause and increases at the time of menopause 
E)  is maintained constant during her reproductive life because those that are lost are continuously replaced by an equal number of new primary oocytes, and increases at the time of menopause

Question 20

Complete each of the following statments.
The three major stages of spermatogenesis are ____________________, ____________________, and ____________________.

Accepted Answer

mitotic pr

Exam 20: A--The Reproductive System

The second meiotic division occurs within the ovary before ovulation takes place.

Select the structure that serves as a common passageway for two tracts in the male.

In a sexually mature individual, pulses of GnRH are secreted once a day.

Complete each of the following statments. An undescended testis is known as a(n) ____________________.

During ejaculation, the sphincter at the neck of the bladder reflexively opens to allow semen to enter the urethra.

Complete each of the following statments. Prostaglandins are locally acting chemical messengers derived from the plasma-membrane component called ____________________.

Several hundred million sperm may reach maturity daily.

What is the advantage of having polar bodies formed in oogenesis?

Complete each of the following statments. The single gene within the Y chromosome that is responsible for sex determination is the ____________________ region of the ____________________.

Complete each of the following statments. The ____________________ of the testes secrete testosterone under the hormonal influence of ____________________.

Which of the following secretes male sex hormone?

Which of the following is the correct order in which the glands add seminal fluid to migrating sperm cells in the male reproductive tract?

The placenta provides a site for maternal and fetal blood to thoroughly mix to allow O2 and nutrients to be delivered to the fetus and CO2 and other waste products to be removed from the fetus.

The Müllerian ducts persist in female fetuses and develop into the uterus and oviducts.

The corpus luteum

One primary oocyte containing 46 doubled chromosomes yields only one ovum containing 23 unpaired chromosomes.

Complete each of the following statments. The reproductive tract includes a system of ducts plus ____________________, which secrete into these passageways.

The endometrium is composed primarily of smooth muscle that thickens under the influence of estrogen.

The number of primary oocytes in a female

Complete each of the following statments. The three major stages of spermatogenesis are ____________________, ____________________, and ____________________.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

B--The Reproductive System

Filters

Complete each of the following statments. The single gene within the Y chromosome that is responsible for sex determination is the region of the .

Complete each of the following statments. The of the testes secrete testosterone under the hormonal influence of .

The placenta provides a site for maternal and fetal blood to thoroughly mix to allow O₂ and nutrients to be delivered to the fetus and CO₂ and other waste products to be removed from the fetus.

Complete each of the following statments. The three major stages of spermatogenesis are , , and .