Question 1

The hollow cavity within the blastocyst is the ________.

Accepted Answer

The answer of The hollow cavity within the blastocyst is...

Question 2

Each of the following statements concerning development is true,except that

Accepted Answer

A) the term induction refers to the chemical interplay between developing cells. 
B) the developing oocyte receives molecules that affect development from the surrounding granulosa cells. 
C) each blastomere receives exactly the same cytoplasmic composition. 
D) differences in a cell's cytoplasmic makeup affect the cell's genetic activity. 
E) cells release molecules that affect the developmental process of neighboring cells. 
A) the term induction refers to the chemical interplay between developing cells. 
B) the developing oocyte receives molecules that affect development from the surrounding granulosa cells. 
C) each blastomere receives exactly the same cytoplasmic composition. 
D) differences in a cell's cytoplasmic makeup affect the cell's genetic activity. 
E) cells release molecules that affect the developmental process of neighboring cells.

Question 3

________ is the medical specialty that focuses on postnatal development from infancy to adolescence.

Accepted Answer

A) Geriatrics 
B) Orthopedics 
C) Pediatrics 
D) Psychiatrics 
E) None of the answers are correct. 
A) Geriatrics 
B) Orthopedics 
C) Pediatrics 
D) Psychiatrics 
E) None of the answers are correct.

Question 4

If an individual carries two different alleles for the same trait,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

Question 5

Blood flows to the placenta through ________ umbilical arteries.

Accepted Answer

The answer of Blood flows to the placenta through ________...

Question 6

Which of these statements about ectopic pregnancy is false?

Accepted Answer

A) The embryo may implant in the uterine tube. 
B) The mother's life may be endangered. 
C) Vaginal delivery is often possible. 
D) It occurs in less than 1 percent of pregnancies. 
E) It does not yield a viable embryo. 
A) The embryo may implant in the uterine tube. 
B) The mother's life may be endangered. 
C) Vaginal delivery is often possible. 
D) It occurs in less than 1 percent of pregnancies. 
E) It does not yield a viable embryo.

Question 7

The gene for normal skin pigment (A)can also code for the recessive trait of albinism (a).An albino man and a homozygous normal pigmented woman marry and have four children.What is the phenotype of the children?

Accepted Answer

A) 75% normal and 25% albino 
B) 100% normal 
C) 50% normal and 50% albino 
D) 100% albino 
A) 75% normal and 25% albino 
B) 100% normal 
C) 50% normal and 50% albino 
D) 100% albino

Question 8

List and briefly characterize the three trimesters of gestation.

Accepted Answer

For convenience,we think of the gestatio

Question 9

Twins that occur when blastomeres separate are called ________.

Accepted Answer

monozygoti

Question 10

The prostaglandins produced in the endometrium

Accepted Answer

A) initiate the release of oxytocin for parturition. 
B) stimulate smooth muscle contractions. 
C) initiate secretory activity in the mammary glands. 
D) promote breast development. 
E) All of the answers are correct. 
A) initiate the release of oxytocin for parturition. 
B) stimulate smooth muscle contractions. 
C) initiate secretory activity in the mammary glands. 
D) promote breast development. 
E) All of the answers are correct.

Question 11

The ________ is the portion of the endometrium not in contact with the chorion.

Accepted Answer

The answer of The ________ is the portion of the...

Question 12

The gradual modification of anatomical structures and physiologic characteristics from fertilization to maturity is termed ________.

Accepted Answer

The answer of The gradual modification of anatomical structures and...

Question 13

All of the following occur at puberty,except that

Accepted Answer

A) FSH levels rise. 
B) GnRH levels decline. 
C) levels of sex hormones rise. 
D) gametogenesis begins. 
E) secondary sexual characteristics begin to develop. 
A) FSH levels rise. 
B) GnRH levels decline. 
C) levels of sex hormones rise. 
D) gametogenesis begins. 
E) secondary sexual characteristics begin to develop.

Question 14

The period from 2 years to puberty is known as ________.

Accepted Answer

The answer of The period from 2 years to puberty...

Question 15

The ________ period extends from birth to 1 month.

Accepted Answer

The answer of The ________ period extends from birth to...

Question 16

In a(n)________ an incision is made in the perineal musculature.

Accepted Answer

The answer of In a(n)________ an incision is made in...

Question 17

After fertilization,the first cell division is completed

Accepted Answer

A) within a few seconds. 
B) within the hour. 
C) about 6 hours later. 
D) in 12 hours. 
E) more than a day later. 
A) within a few seconds. 
B) within the hour. 
C) about 6 hours later. 
D) in 12 hours. 
E) more than a day later.

Question 18

Figure 29-2 Fetus at 10 Weeks
Use Figure 29-2 to answer the following question:
-Identify the structure labeled "4."

Accepted Answer

A) amnion 
B) chorion 
C) decidua basalis 
D) placenta 
E) endometrium 
A) amnion 
B) chorion 
C) decidua basalis 
D) placenta 
E) endometrium

Question 19

The placenta is a source of which of these hormones?

Accepted Answer

A) hCG 
B) relaxin 
C) placental lactogen 
D) progesterone 
E) All of the answers are correct. 
A) hCG 
B) relaxin 
C) placental lactogen 
D) progesterone 
E) All of the answers are correct.

Question 20

Oxygenated blood from the placenta returns to the fetus in the

Accepted Answer

A) allantois. 
B) umbilical vein. 
C) umbilical arteries. 
D) decidua capsularis. 
E) umbilical capillaries. 
A) allantois. 
B) umbilical vein. 
C) umbilical arteries. 
D) decidua capsularis. 
E) umbilical capillaries.

Exam 29: Development and Inheritance

The hollow cavity within the blastocyst is the ________.

Each of the following statements concerning development is true,except that

________ is the medical specialty that focuses on postnatal development from infancy to adolescence.

If an individual carries two different alleles for the same trait,the individual is ________ for the trait.

Blood flows to the placenta through ________ umbilical arteries.

Which of these statements about ectopic pregnancy is false?

The gene for normal skin pigment (A)can also code for the recessive trait of albinism (a).An albino man and a homozygous normal pigmented woman marry and have four children.What is the phenotype of the children?

List and briefly characterize the three trimesters of gestation.

Twins that occur when blastomeres separate are called ________.

The prostaglandins produced in the endometrium

The ________ is the portion of the endometrium not in contact with the chorion.

The gradual modification of anatomical structures and physiologic characteristics from fertilization to maturity is termed ________.

All of the following occur at puberty,except that

The period from 2 years to puberty is known as ________.

The ________ period extends from birth to 1 month.

In a(n)________ an incision is made in the perineal musculature.

After fertilization,the first cell division is completed

Figure 29-2 Fetus at 10 Weeks Use Figure 29-2 to answer the following question: -Identify the structure labeled "4."

The placenta is a source of which of these hormones?

Oxygenated blood from the placenta returns to the fetus in the

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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