Question 1

Which of these statements applies to the fast block to polyspermy?

Accepted Answer

A)  more pronounced in invertebrates than in vertebrates 
B)  occurs within hours after fertilization 
C)  mediated by Ca2+ ions 
D)  does not involve a wave of electrical depolarization that spreads over the egg surface 
A)  more pronounced in invertebrates than in vertebrates 
B)  occurs within hours after fertilization 
C)  mediated by Ca2+ ions 
D)  does not involve a wave of electrical depolarization that spreads over the egg surface

Question 2

Identify each labelled part of the illustration.  
-urethra

Accepted Answer

The answer of Identify each labelled part of the illustration....

Question 3

Which eye structure is matched appropriately with its developmental material?

Accepted Answer

A)  cornea: ectoderm 
B)  lens: optic cup 
C)  retina: crystallin 
D)  retina: ectoderm 
A)  cornea: ectoderm 
B)  lens: optic cup 
C)  retina: crystallin 
D)  retina: ectoderm

Question 4

Figure 44-3  
-In Figure 44-3, which numbers indicate diploid cells?

Accepted Answer

A)  2 and 3 
B)  3 and 4 
C)  4 and 5 
D)  5 and 6 
A)  2 and 3 
B)  3 and 4 
C)  4 and 5 
D)  5 and 6

Question 5

During mating in frogs, the male clasps the female tightly around the body with his forelimbs. What is the appropriate term for this specific behaviour?

Accepted Answer

A)  marriage 
B)  copulation 
C)  amplexus 
D)  fertilization 
A)  marriage 
B)  copulation 
C)  amplexus 
D)  fertilization

Question 6

In human males, the conversion of a spermatogonium into a sperm takes about 9 to 10 weeks.

Accepted Answer

A) True 
 B)False

Question 7

Which of these phases are included in the ovarian cycle?

Accepted Answer

A)  follicular and proliferative 
B)  proliferative and secretory 
C)  follicular and luteal 
D)  luteal and secretory 
A)  follicular and proliferative 
B)  proliferative and secretory 
C)  follicular and luteal 
D)  luteal and secretory

Question 8

Match each hormone with its correct description.
-gonadotropin releasing hormone (GnRH)

Accepted Answer

A) triggers ovulation 
B) stimulates Sertoli cells 
C) stimulates growth of the endometrium 
D) secreted by Sertoli cells and the corpus luteum 
E) secreted by the hypothalamus
F)secreted by follicular cells
G)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
H)secreted by Leydig cells 
A) triggers ovulation 
B) stimulates Sertoli cells 
C) stimulates growth of the endometrium 
D) secreted by Sertoli cells and the corpus luteum 
E) secreted by the hypothalamus
F)secreted by follicular cells
G)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
H)secreted by Leydig cells

Question 9

Which hormone, when present in a human female's urine, indicates a pregnancy?

Accepted Answer

A)  estrogen 
B)  luteinizing hormone 
C)  human chorionic gonadotropin 
D)  progesterone 
A)  estrogen 
B)  luteinizing hormone 
C)  human chorionic gonadotropin 
D)  progesterone

Question 10

Identify each labelled part of the illustration.  
-allantois

Accepted Answer

The answer of Identify each labelled part of the illustration....

Question 11

Which mechanism involves the separation of the parent into two or more offspring of approximately the same size?

Accepted Answer

A)  fertilization 
B)  budding 
C)  fragmentation 
D)  fission 
A)  fertilization 
B)  budding 
C)  fragmentation 
D)  fission

Question 12

In mammalian females, which of the following is a structure essential for reproduction?

Accepted Answer

A)  the urethra 
B)  the anus 
C)  the uterus 
D)  the stomach 
A)  the urethra 
B)  the anus 
C)  the uterus 
D)  the stomach

Question 13

Figure 44-2  
-In Figure 44-2, what structure is indicated by number 2?

Accepted Answer

A)  the third polar body 
B)  the first polar body 
C)  the expelled body 
D)  the Barr body 
A)  the third polar body 
B)  the first polar body 
C)  the expelled body 
D)  the Barr body

Question 14

How many mature sperm does one secondary spermatocyte ultimately produce?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 15

Where are sperm produced?

Accepted Answer

A)  in the seminiferous tubules 
B)  in the prostate gland 
C)  in the penis 
D)  in the epididymis 
A)  in the seminiferous tubules 
B)  in the prostate gland 
C)  in the penis 
D)  in the epididymis

Question 16

Which of these statements applies to the distribution of yolk in an egg?

Accepted Answer

A)  The vegetal pole does not form internal structures. 
B)  The vegetal pole does not form the posterior end of the animal. 
C)  Polarity does not relate to development of body axes. 
D)  The animal pole does not form the animal's gut. 
A)  The vegetal pole does not form internal structures. 
B)  The vegetal pole does not form the posterior end of the animal. 
C)  Polarity does not relate to development of body axes. 
D)  The animal pole does not form the animal's gut.

Question 17

In terrestrial animals, such as birds, the embryo is exposed to a dry environment while in the egg.

Accepted Answer

A) True 
 B)False

Question 18

Figure 44-3  
-In Figure 44-3, what structure is indicated by the number 1?

Accepted Answer

A)  the penis 
B)  the lumen of the seminiferous tubule 
C)  the matrix of the seminiferous tubule 
D)  the epididymis 
A)  the penis 
B)  the lumen of the seminiferous tubule 
C)  the matrix of the seminiferous tubule 
D)  the epididymis

Question 19

Identify each labelled part of the illustration.  
-vas deferens

Accepted Answer

The answer of Identify each labelled part of the illustration....

Question 20

Match each hormone with its correct description.
-luteinizing hormone (LH)

Accepted Answer

A) triggers ovulation 
B) stimulates Sertoli cells 
C) stimulates growth of the endometrium 
D) secreted by Sertoli cells and the corpus luteum 
E) secreted by the hypothalamus
F)secreted by follicular cells
G)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
H)secreted by Leydig cells 
A) triggers ovulation 
B) stimulates Sertoli cells 
C) stimulates growth of the endometrium 
D) secreted by Sertoli cells and the corpus luteum 
E) secreted by the hypothalamus
F)secreted by follicular cells
G)secreted by the corpus luteum even after it regresses later in pregnancy; blocks uterine contractions until time of birth is near
H)secreted by Leydig cells

Exam 44: Animal Reproduction

Which of these statements applies to the fast block to polyspermy?

Identify each labelled part of the illustration. -urethra

Which eye structure is matched appropriately with its developmental material?

Figure 44-3 -In Figure 44-3, which numbers indicate diploid cells?

During mating in frogs, the male clasps the female tightly around the body with his forelimbs. What is the appropriate term for this specific behaviour?

In human males, the conversion of a spermatogonium into a sperm takes about 9 to 10 weeks.

Which of these phases are included in the ovarian cycle?

Match each hormone with its correct description. -gonadotropin releasing hormone (GnRH)

Which hormone, when present in a human female's urine, indicates a pregnancy?

Identify each labelled part of the illustration. -allantois

Which mechanism involves the separation of the parent into two or more offspring of approximately the same size?

In mammalian females, which of the following is a structure essential for reproduction?

Figure 44-2 -In Figure 44-2, what structure is indicated by number 2?

How many mature sperm does one secondary spermatocyte ultimately produce?

Where are sperm produced?

Which of these statements applies to the distribution of yolk in an egg?

In terrestrial animals, such as birds, the embryo is exposed to a dry environment while in the egg.

Figure 44-3 -In Figure 44-3, what structure is indicated by the number 1?

Identify each labelled part of the illustration. -vas deferens

Match each hormone with its correct description. -luteinizing hormone (LH)

Light and Life

The Cell: an Overview

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Cellular Respiration

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Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

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Regulation of Gene Expression

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Evolution: the Development of the Theory

Microevolution: Changes Within Populations

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Introduction to Animal Organization and Physiology

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Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Control of Animal Processes: Neural Control

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