Question 1

Which of the following are recognized classes of abortion?

Accepted Answer

A) spontaneous 
B) therapeutic 
C) induced 
D) spontaneous and induced 
E) All of the answers are correct. 
A) spontaneous 
B) therapeutic 
C) induced 
D) spontaneous and induced 
E) All of the answers are correct.

Question 2

Differentiation among blastomeres is the result of

Accepted Answer

A) enzymes introduced by the sperm. 
B) hormones produced by the ovum. 
C) an unequal distribution of regulatory molecules in the cytoplasm of the ovum. 
D) regulator molecules supplied by cells of the uterus. 
E) enzymes activated by the sperm. 
A) enzymes introduced by the sperm. 
B) hormones produced by the ovum. 
C) an unequal distribution of regulatory molecules in the cytoplasm of the ovum. 
D) regulator molecules supplied by cells of the uterus. 
E) enzymes activated by the sperm.

Question 3

The gradual modification of anatomical structures during the period from conception to maturity is

Accepted Answer

A) development. 
B) differentiation. 
C) embryogenesis. 
D) capacitation. 
E) All of the answers are correct. 
A) development. 
B) differentiation. 
C) embryogenesis. 
D) capacitation. 
E) All of the answers are correct.

Question 4

The hormone that increases the flexibility of the pubic symphysis during pregnancy is

Accepted Answer

A) luteinizing hormone. 
B) progesterone. 
C) human chorionic gonadotropin. 
D) human placental lactogen. 
E) relaxin. 
A) luteinizing hormone. 
B) progesterone. 
C) human chorionic gonadotropin. 
D) human placental lactogen. 
E) relaxin.

Question 5

After ovulation,the layer of follicle cells that surround the unfertilized egg is called the

Accepted Answer

A) zona pellucida. 
B) corona radiata. 
C) Graafian follicle. 
D) functional zone. 
E) tunica follicularis. 
A) zona pellucida. 
B) corona radiata. 
C) Graafian follicle. 
D) functional zone. 
E) tunica follicularis.

Question 6

The ectoderm forms

Accepted Answer

A) muscle. 
B) blood. 
C) neural tissues. 
D) the lining of the digestive tract. 
E) the urinary system. 
A) muscle. 
B) blood. 
C) neural tissues. 
D) the lining of the digestive tract. 
E) the urinary system.

Question 7

A blastocyst is a(n)

Accepted Answer

A) extraembryonic membrane. 
B) solid ball of cells. 
C) hollow ball of cells. 
D) portion of the placenta. 
E) origin of the urinary bladder. 
A) extraembryonic membrane. 
B) solid ball of cells. 
C) hollow ball of cells. 
D) portion of the placenta. 
E) origin of the urinary bladder.

Question 8

Twins that result from two different ova are called ________.

Accepted Answer

dizygotic

Question 9

By day 12 of embryonic development,mesoderm begins to form through

Accepted Answer

A) embryolization. 
B) gastrulation. 
C) mitosis. 
D) meiosis. 
E) None of the answers are correct. 
A) embryolization. 
B) gastrulation. 
C) mitosis. 
D) meiosis. 
E) None of the answers are correct.

Question 10

The part of the endometrium that covers the implanted embryo and lacks chorionic villi is the

Accepted Answer

A) decidua parietalis. 
B) decidua albicans. 
C) decidua functionalis. 
D) decidua capsularis. 
E) decidua basalis. 
A) decidua parietalis. 
B) decidua albicans. 
C) decidua functionalis. 
D) decidua capsularis. 
E) decidua basalis.

Question 11

The inner cell mass of the blastocyst will

Accepted Answer

A) form the placenta. 
B) form the morula. 
C) form the embryo. 
D) form blood vessels of the placenta. 
E) provide nutrients for early growth. 
A) form the placenta. 
B) form the morula. 
C) form the embryo. 
D) form blood vessels of the placenta. 
E) provide nutrients for early growth.

Question 12

Initially,the nutrients absorbed by the trophoblast easily reach the inner cell mass by simple

Accepted Answer

A) osmosis. 
B) diffusion. 
C) peristalsis. 
D) ciliary action. 
E) convection. 
A) osmosis. 
B) diffusion. 
C) peristalsis. 
D) ciliary action. 
E) convection.

Question 13

Figure 29-1 Early Human Development
Use Figure 29-1 to answer the following question:
-Identify the stage labeled "8."

Accepted Answer

A) zygote 
B) early morula 
C) blastomere 
D) trophoblast 
E) advanced morula 
A) zygote 
B) early morula 
C) blastomere 
D) trophoblast 
E) advanced morula

Question 14

The ________ chromosomes determine gender.

Accepted Answer

The answer of The ________ chromosomes determine gender....

Question 15

The presence of a recessive gene can be detected (seen)only if the individual is

Accepted Answer

A) homozygous recessive. 
B) heterozygous dominant. 
C) heterozygous recessive. 
D) homozygous dominant. 
E) epistatic recessive. 
A) homozygous recessive. 
B) heterozygous dominant. 
C) heterozygous recessive. 
D) homozygous dominant. 
E) epistatic recessive.

Question 16

The infancy stage of life is considered to be over at

Accepted Answer

A) age 1. 
B) age 2. 
C) 6 months. 
D) 1 month. 
E) 18 months. 
A) age 1. 
B) age 2. 
C) 6 months. 
D) 1 month. 
E) 18 months.

Question 17

Figure 29-1 Early Human Development
Use Figure 29-1 to answer the following question:
-Identify the stage labeled "12."

Accepted Answer

A) zygote 
B) early morula 
C) blastocyst 
D) trophoblast 
E) late morula 
A) zygote 
B) early morula 
C) blastocyst 
D) trophoblast 
E) late morula

Question 18

All of the following occur during pregnancy,except that

Accepted Answer

A) a woman's respiratory rate and tidal volume increase. 
B) maternal blood volume increases. 
C) maternal nutrient requirements increase. 
D) a woman's glomerular filtration rate increases. 
E) a woman's bladder capacity increases. 
A) a woman's respiratory rate and tidal volume increase. 
B) maternal blood volume increases. 
C) maternal nutrient requirements increase. 
D) a woman's glomerular filtration rate increases. 
E) a woman's bladder capacity increases.

Question 19

Placental functions are concentrated in a disc-shaped area in the endometrium called the ________.

Accepted Answer

The answer of Placental functions are concentrated in a disc-shaped...

Question 20

If an individual carries a pair of alleles that are the same,the individual is ________ for the trait.

Accepted Answer

A) homologous 
B) homozygous 
C) heterozygous 
D) autosomous 
E) polygenic 
A) homologous 
B) homozygous 
C) heterozygous 
D) autosomous 
E) polygenic

Exam 29: Development and Inheritance

Which of the following are recognized classes of abortion?

Differentiation among blastomeres is the result of

The gradual modification of anatomical structures during the period from conception to maturity is

The hormone that increases the flexibility of the pubic symphysis during pregnancy is

After ovulation,the layer of follicle cells that surround the unfertilized egg is called the

The ectoderm forms

A blastocyst is a(n)

Twins that result from two different ova are called ________.

By day 12 of embryonic development,mesoderm begins to form through

The part of the endometrium that covers the implanted embryo and lacks chorionic villi is the

The inner cell mass of the blastocyst will

Initially,the nutrients absorbed by the trophoblast easily reach the inner cell mass by simple

Figure 29-1 Early Human Development Use Figure 29-1 to answer the following question: -Identify the stage labeled "8."

The ________ chromosomes determine gender.

The presence of a recessive gene can be detected (seen)only if the individual is

The infancy stage of life is considered to be over at

Figure 29-1 Early Human Development Use Figure 29-1 to answer the following question: -Identify the stage labeled "12."

All of the following occur during pregnancy,except that

Placental functions are concentrated in a disc-shaped area in the endometrium called the ________.

If an individual carries a pair of alleles that are the same,the individual is ________ for the trait.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

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