Question 1

Match each hormone with its correct description.
-inhibin

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 2

Figure 44-1  
-In Figure 44-1, which number refers to the structure that is covered with cilia?

Accepted Answer

A)  1 
B)  3 
C)  4 
D)  5 
A)  1 
B)  3 
C)  4 
D)  5

Question 3

Which statement describes the starting point for the ovarian cycle?

Accepted Answer

A)  A secondary oocyte is arrested in meiosis II. 
B)  A secondary oocyte is arrested in meiosis I. 
C)  A primary oocyte is arrested in meiosis I. 
D)  A primary oocyte is arrested in meiosis II. 
A)  A secondary oocyte is arrested in meiosis II. 
B)  A secondary oocyte is arrested in meiosis I. 
C)  A primary oocyte is arrested in meiosis I. 
D)  A primary oocyte is arrested in meiosis II.

Question 4

Which of these terms refers to the unequal distribution of yolk in an egg?

Accepted Answer

A)  neurulation 
B)  cleavage 
C)  polarity 
D)  involution 
A)  neurulation 
B)  cleavage 
C)  polarity 
D)  involution

Question 5

An egg's polarity determines the orientation of body axes.

Accepted Answer

A) True 
 B)False

Question 6

Figure 44-2  
-In Figure 44-2, what structure is indicated by number 3?

Accepted Answer

A)  the secondary oocyte 
B)  the primary oocyte 
C)  the ootid 
D)  the oogonium 
A)  the secondary oocyte 
B)  the primary oocyte 
C)  the ootid 
D)  the oogonium

Question 7

Match each hormone with its correct description.
-follicle stimulating hormone (FSH)

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 8

Approximately how long is gestation in humans?

Accepted Answer

A)  266 days 
B)  231 days 
C)  206 days 
D)  178 days 
A)  266 days 
B)  231 days 
C)  206 days 
D)  178 days

Question 9

Which of the following serves as a temporary endocrine gland in females, and what does it secrete?

Accepted Answer

A)  the corpus luteum; estrogen and progesterone 
B)  the uterus; luteinizing hormone and follicle-stimulating hormone 
C)  the endometrium; estrogen and follicle-stimulating hormone 
D)  the ovaries; estrogen and luteinizing hormone 
A)  the corpus luteum; estrogen and progesterone 
B)  the uterus; luteinizing hormone and follicle-stimulating hormone 
C)  the endometrium; estrogen and follicle-stimulating hormone 
D)  the ovaries; estrogen and luteinizing hormone

Question 10

Compare and contrast the processes of spermatogenesis and oogenesis.

Accepted Answer

Both spermatogenesis and oogenesis are t

Question 11

Which of these statements describes how the amount of yolk relates to the nourishment of the organism?

Accepted Answer

A)  An egg lacking yolk contains all the nutrients necessary for the embryo's development. 
B)  An egg with a large amount of yolk contains all the nutrients necessary for the embryo's development. 
C)  An egg with a small amount of yolk contains all the nutrients necessary for the embryo's development. 
D)  The amount of yolk does not affect the embryo's development. 
A)  An egg lacking yolk contains all the nutrients necessary for the embryo's development. 
B)  An egg with a large amount of yolk contains all the nutrients necessary for the embryo's development. 
C)  An egg with a small amount of yolk contains all the nutrients necessary for the embryo's development. 
D)  The amount of yolk does not affect the embryo's development.

Question 12

When is the endometrium thickest in the female reproductive cycle?

Accepted Answer

A)  during the secretory phase 
B)  shortly before ovulation 
C)  during ovulation 
D)  during the proliferative phase 
A)  during the secretory phase 
B)  shortly before ovulation 
C)  during ovulation 
D)  during the proliferative phase

Question 13

Match each term to its definition.
-blastula

Accepted Answer

A) fluid-filled cavity within the blastomere 
B) stage in which an embryo has three tissue layers 
C) solid ball of blastomeres 
D) opening that eventually becomes the anus 
E) process that involves an increase in number of cells, but not an increase in mass
F)early stage in formation of the nervous system
G)second stage of cleavage; a formed hollow cavity 
A) fluid-filled cavity within the blastomere 
B) stage in which an embryo has three tissue layers 
C) solid ball of blastomeres 
D) opening that eventually becomes the anus 
E) process that involves an increase in number of cells, but not an increase in mass
F)early stage in formation of the nervous system
G)second stage of cleavage; a formed hollow cavity

Question 14

Figure 44-2  
-In Figure 44-2, which structures can still undergo meiosis at the time of fertilization?

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  2 and 5 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  2 and 5

Question 15

Which of the following is an advantage that internal fertilization has over external fertilization?

Accepted Answer

A)  protection of gametes from drying 
B)  protection of gametes from relatives 
C)  production of more offspring 
D)  production of more eggs 
A)  protection of gametes from drying 
B)  protection of gametes from relatives 
C)  production of more offspring 
D)  production of more eggs

Question 16

Figure 44-3  
-In Figure 44-3, in a human male, how many total chromatids are present in the cell that is numbered 4?

Accepted Answer

A)  2 
B)  23 
C)  46 
D)  92 
A)  2 
B)  23 
C)  46 
D)  92

Question 17

Match each term with its definition.
-blastodisc

Accepted Answer

A) undifferentiated muscle cells 
B) pigmented layer of cytoplasm opposite from point of entry of sperm 
C) rounded layer of cells at the surface of yolk in birds 
D) solid rod of tissue that is involved in neurulation 
E) fingerlike extensions into the endometrium
F)clear fibrous protein
G)programmed cell death
H)event when a group of cells influences a nearby group of cells 
A) undifferentiated muscle cells 
B) pigmented layer of cytoplasm opposite from point of entry of sperm 
C) rounded layer of cells at the surface of yolk in birds 
D) solid rod of tissue that is involved in neurulation 
E) fingerlike extensions into the endometrium
F)clear fibrous protein
G)programmed cell death
H)event when a group of cells influences a nearby group of cells

Question 18

Identify each labelled part of the illustration.  
-gastrulation

Accepted Answer

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

Question 19

Progesterone is produced in the pituitary and acts directly on the uterus.

Accepted Answer

A) True 
 B)False

Question 20

What needs to happen for menstruation to begin?

Accepted Answer

A)  Estrogen levels must rise. 
B)  FSH and LH levels must rise. 
C)  GnRH levels must fall. 
D)  Progesterone levels must fall. 
A)  Estrogen levels must rise. 
B)  FSH and LH levels must rise. 
C)  GnRH levels must fall. 
D)  Progesterone levels must fall.

Exam 44: Animal Reproduction

Match each hormone with its correct description. -inhibin

Figure 44-1 -In Figure 44-1, which number refers to the structure that is covered with cilia?

Which statement describes the starting point for the ovarian cycle?

Which of these terms refers to the unequal distribution of yolk in an egg?

An egg's polarity determines the orientation of body axes.

Figure 44-2 -In Figure 44-2, what structure is indicated by number 3?

Match each hormone with its correct description. -follicle stimulating hormone (FSH)

Approximately how long is gestation in humans?

Which of the following serves as a temporary endocrine gland in females, and what does it secrete?

Compare and contrast the processes of spermatogenesis and oogenesis.

Which of these statements describes how the amount of yolk relates to the nourishment of the organism?

When is the endometrium thickest in the female reproductive cycle?

Match each term to its definition. -blastula

Figure 44-2 -In Figure 44-2, which structures can still undergo meiosis at the time of fertilization?

Which of the following is an advantage that internal fertilization has over external fertilization?

Figure 44-3 -In Figure 44-3, in a human male, how many total chromatids are present in the cell that is numbered 4?

Match each term with its definition. -blastodisc

Identify each labelled part of the illustration. -gastrulation

Progesterone is produced in the pituitary and acts directly on the uterus.

What needs to happen for menstruation to begin?

Light and Life

The Cell: an Overview

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

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

Muscles, Skeletons, and Body Movements

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