Question 1

The first milk that is produced after birth is a yellowish fluid called

Accepted Answer

A) prolactase. 
B) colostrum. 
C) hCG. 
D) chorionic lactase. 
E) allantoicasE. 
A) prolactase. 
B) colostrum. 
C) hCG. 
D) chorionic lactase. 
E) allantoicasE.

Question 2

Which of the following animals undergoes rotational cleavage?

Accepted Answer

A) echinoderms 
B) annelids 
C) amphibians 
D) mammals 
E) reptiles 
A) echinoderms 
B) annelids 
C) amphibians 
D) mammals 
E) reptiles

Question 3

Which of the following is not formed by the developing mesoderm?

Accepted Answer

A) skeleton 
B) nervous system 
C) muscles 
D) dermis of skin 
E) blood 
A) skeleton 
B) nervous system 
C) muscles 
D) dermis of skin 
E) blood

Question 4

All of the following are stages of vertebrate development except

Accepted Answer

A) cleavage. 
B) fertilization. 
C) inversion. 
D) gastrulation. 
E) organogenesis. 
A) cleavage. 
B) fertilization. 
C) inversion. 
D) gastrulation. 
E) organogenesis.

Question 5

In human females,milk production is a result of

Accepted Answer

A) stimulation of the alveoli of the mammary glands by prolactin from the anterior pituitary gland. 
B) stimulation of the alveoli of the mammary glands by oxytocin from the anterior pituitary gland. 
C) stimulation of the alveoli of the mammary glands by prolactin from the posterior pituitary gland. 
D) stimulation of the alveoli of the mammary glands by oxytocin from the posterior pituitary glanD. 
E) stimulation of the alveoli of the mammary glands by LH from the anterior pituitary gland. 
A) stimulation of the alveoli of the mammary glands by prolactin from the anterior pituitary gland. 
B) stimulation of the alveoli of the mammary glands by oxytocin from the anterior pituitary gland. 
C) stimulation of the alveoli of the mammary glands by prolactin from the posterior pituitary gland. 
D) stimulation of the alveoli of the mammary glands by oxytocin from the posterior pituitary glanD. 
E) stimulation of the alveoli of the mammary glands by LH from the anterior pituitary gland.

Question 6

The ______ trimester of pregnancy is characterized by growth,formation of major nerve tracts,and formation of new brain cells.

Accepted Answer

A) first 
B) second 
C) third 
A) first 
B) second 
C) third

Question 7

The pattern of cleavage division characteristic of mammalian cells is

Accepted Answer

A) holoblastic cleavage with eggs containing little or no yolk. 
B) more yolk-containing egg-cleavage resulting in vegetal and animal pole. 
C) meroblastic cleavage with eggs containing almost entirely yolk. 
D) holoblastic cleavage with eggs containing very little yolk,but with the inner cell mass concentrated at one pole. 
E) holoblastic cleavage with eggs containing very little yolk,but with the inner cell mass distributed uniformly. 
A) holoblastic cleavage with eggs containing little or no yolk. 
B) more yolk-containing egg-cleavage resulting in vegetal and animal pole. 
C) meroblastic cleavage with eggs containing almost entirely yolk. 
D) holoblastic cleavage with eggs containing very little yolk,but with the inner cell mass concentrated at one pole. 
E) holoblastic cleavage with eggs containing very little yolk,but with the inner cell mass distributed uniformly.

Question 8

All of the following occur within the placenta except

Accepted Answer

A) the bloods of the mother and the embryo come in close contact without mixing. 
B) oxygen can diffuse from the mother to the embryo. 
C) carbon dioxide can diffuse from the embryo to the mother. 
D) the placenta provides nourishment,hormones,and detoxifying functions to the embryo. 
E) the antibodies made in the embryo protect the mother from infections. 
A) the bloods of the mother and the embryo come in close contact without mixing. 
B) oxygen can diffuse from the mother to the embryo. 
C) carbon dioxide can diffuse from the embryo to the mother. 
D) the placenta provides nourishment,hormones,and detoxifying functions to the embryo. 
E) the antibodies made in the embryo protect the mother from infections.

Question 9

According to the figure,which diagram shows the initial determination of primary germ layers?

Accepted Answer

A) diagram I 
B) diagram II 
C) both diagram I and diagram II 
D) neither diagram I nor diagram II 
A) diagram I 
B) diagram II 
C) both diagram I and diagram II 
D) neither diagram I nor diagram II

Question 10

Choose the letter of the best match from the following:
-The embryo is now called the fetus.

Accepted Answer

A) third trimester of pregnancy 
B) second month of pregnancy 
C) first month of pregnancy 
D) second trimester of pregnancy 
E) third month of pregnancy 
A) third trimester of pregnancy 
B) second month of pregnancy 
C) first month of pregnancy 
D) second trimester of pregnancy 
E) third month of pregnancy

Question 11

Choose the letter of the best match from the following:
-The limbs,tail bud,and internal organs form.

Accepted Answer

A) third trimester of pregnancy 
B) second month of pregnancy 
C) first month of pregnancy 
D) second trimester of pregnancy 
E) third month of pregnancy 
A) third trimester of pregnancy 
B) second month of pregnancy 
C) first month of pregnancy 
D) second trimester of pregnancy 
E) third month of pregnancy

Question 12

Select the incorrect statement from the choices in reference to postnatal development of human infants.

Accepted Answer

A) Human babies can double their birth weight in their first two months of life. 
B) The head of newborn humans is disproportionate to the rest of their bodies. 
C) The pattern of growth exhibited by human babies is called allometric growth. 
D) In human babies the cerebral skull grows faster than the jaw. 
E) In human babies the brain grows at the same rate as the skull. 
A) Human babies can double their birth weight in their first two months of life. 
B) The head of newborn humans is disproportionate to the rest of their bodies. 
C) The pattern of growth exhibited by human babies is called allometric growth. 
D) In human babies the cerebral skull grows faster than the jaw. 
E) In human babies the brain grows at the same rate as the skull.

Exam 54: Animal Development

The first milk that is produced after birth is a yellowish fluid called

Which of the following animals undergoes rotational cleavage?

Which of the following is not formed by the developing mesoderm?

All of the following are stages of vertebrate development except

In human females,milk production is a result of

The ______ trimester of pregnancy is characterized by growth,formation of major nerve tracts,and formation of new brain cells.

The pattern of cleavage division characteristic of mammalian cells is

All of the following occur within the placenta except

According to the figure,which diagram shows the initial determination of primary germ layers?

Choose the letter of the best match from the following: -The embryo is now called the fetus.

Choose the letter of the best match from the following: -The limbs,tail bud,and internal organs form.

Select the incorrect statement from the choices in reference to postnatal development of human infants.

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Coelomate Invertebrates

Vertebrates

Plant Form

Vegetative Plant Development

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Behavioral Biology

Population Ecology

Community of Ecology

Dynamics of Ecosystems

The Biosphere

Conservation Biology

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