Question 1

Which of the following is a recessive trait?

Accepted Answer

A) red hair 
B) color blindness 
C) eye color 
D) hemoglobin molecular structure 
E) height 
A) red hair 
B) color blindness 
C) eye color 
D) hemoglobin molecular structure 
E) height

Question 2

-Label A represents which of the following structures?

Accepted Answer

A) syncytial trophoblast 
B) developing villi 
C) lacuna 
D) uterine glands 
E) amniotic cavity 
A) syncytial trophoblast 
B) developing villi 
C) lacuna 
D) uterine glands 
E) amniotic cavity

Question 3

The outer layer of cells separating the outside world from the blastocoele is called the

Accepted Answer

A) trophoblast. 
B) chorion. 
C) inner cell mass. 
D) zona pellucida. 
E) blastomere. 
A) trophoblast. 
B) chorion. 
C) inner cell mass. 
D) zona pellucida. 
E) blastomere.

Question 4

If an X-carrying sperm fertilizes an egg,the resulting zygote will be

Accepted Answer

A) either male or female. 
B) male only. 
C) female only. 
D) nonviable. 
E) both male and female. 
A) either male or female. 
B) male only. 
C) female only. 
D) nonviable. 
E) both male and female.

Question 5

Which of the following is an example of positive feedback during labor?

Accepted Answer

A) the movement of the fetus toward the cervical canal 
B) the pressure the unborn exerts on the cervix 
C) the distortion of the myometrium stimulates oxytocin release 
D) the dilation of the cervix followed by the rupture of the amnion 
E) the ejection of the placenta at the end of the placental stage 
A) the movement of the fetus toward the cervical canal 
B) the pressure the unborn exerts on the cervix 
C) the distortion of the myometrium stimulates oxytocin release 
D) the dilation of the cervix followed by the rupture of the amnion 
E) the ejection of the placenta at the end of the placental stage

Question 6

Human somatic cells contain ________ chromosomes.

Accepted Answer

A) 24,or 12 pairs of 
B) 46,or 23 pairs of 
C) 92,or 46 pairs of 
D) 12,or 6 pairs of 
E) 16,or 8 pairs of 
A) 24,or 12 pairs of 
B) 46,or 23 pairs of 
C) 92,or 46 pairs of 
D) 12,or 6 pairs of 
E) 16,or 8 pairs of

Question 7

The aging process is called

Accepted Answer

A) neonate stage. 
B) puberty. 
C) senescence. 
D) adolescence. 
E) weaning. 
A) neonate stage. 
B) puberty. 
C) senescence. 
D) adolescence. 
E) weaning.

Question 8

The morula stage occurs during which process?

Accepted Answer

A) embryogenesis 
B) placentation 
C) gastrulation 
D) implantation 
E) cleavage 
A) embryogenesis 
B) placentation 
C) gastrulation 
D) implantation 
E) cleavage

Question 9

Which extraembryonic structure is created as migrating mesodermal cells form a layer beneath the trophoblast,separating it from the blastocoele?

Accepted Answer

A) amnion 
B) placenta 
C) allantois 
D) yolk sac 
E) chorion 
A) amnion 
B) placenta 
C) allantois 
D) yolk sac 
E) chorion

Question 10

-Label E represents which of the following structures?

Accepted Answer

A) blastocyst 
B) inner cell mass 
C) trophoblast 
D) syncytial trophoblast 
E) cellular trophoblast 
A) blastocyst 
B) inner cell mass 
C) trophoblast 
D) syncytial trophoblast 
E) cellular trophoblast

Question 11

In humans,the 22 pairs of chromosomes,which contain most of the genes that affect somatic characteristics such as hair color and skin pigmentation,are called

Accepted Answer

A) alleles. 
B) heterozygous chromosomes. 
C) homologous chromosomes. 
D) autosomal chromosomes. 
E) homozygous chromosomes. 
A) alleles. 
B) heterozygous chromosomes. 
C) homologous chromosomes. 
D) autosomal chromosomes. 
E) homozygous chromosomes.

Question 12

Neural tube formation occurs during which gestational age?

Accepted Answer

A) 4 months 
B) 2 weeks 
C) 1 month 
D) 9 weeks 
E) 5 months 
A) 4 months 
B) 2 weeks 
C) 1 month 
D) 9 weeks 
E) 5 months

Question 13

The study of the development of the human organism during the first two months after fertilization is called

Accepted Answer

A) genetics. 
B) embryology. 
C) pediatrics. 
D) anthropology. 
E) gerontology. 
A) genetics. 
B) embryology. 
C) pediatrics. 
D) anthropology. 
E) gerontology.

Question 14

-Label C represents which of the following structures?

Accepted Answer

A) blastocoele 
B) blastocyst 
C) trophoblast 
D) developing villi 
E) chorion 
A) blastocoele 
B) blastocyst 
C) trophoblast 
D) developing villi 
E) chorion

Question 15

The hollow cavity within the blastocyst is the

Accepted Answer

A) gastrula. 
B) morula. 
C) blastocoele. 
D) yolk sac. 
E) amnion. 
A) gastrula. 
B) morula. 
C) blastocoele. 
D) yolk sac. 
E) amnion.

Question 16

Which statement regarding the neonatal renal system is true?

Accepted Answer

A) Neonates can highly concentrate urine prior to excretion. 
B) As waste products build up in venous blood,they are excreted at the kidneys. 
C) Glomerular filtration does not occur until birth. 
D) Glomerular filtration is normal. 
E) Neonatal fluid requirements are proportionally much lower than those of adults. 
A) Neonates can highly concentrate urine prior to excretion. 
B) As waste products build up in venous blood,they are excreted at the kidneys. 
C) Glomerular filtration does not occur until birth. 
D) Glomerular filtration is normal. 
E) Neonatal fluid requirements are proportionally much lower than those of adults.

Question 17

Genes that appear on the X chromosome are said to be

Accepted Answer

A) X-linked. 
B) autosomal recessive. 
C) heterozygous. 
D) homologous. 
E) lethal. 
A) X-linked. 
B) autosomal recessive. 
C) heterozygous. 
D) homologous. 
E) lethal.

Question 18

The most common viable chromosome abnormality is

Accepted Answer

A) Fragile-X syndrome. 
B) Trisomy 21. 
C) Turner's syndrome. 
D) Klinefelter's syndrome. 
E) a translocation defect. 
A) Fragile-X syndrome. 
B) Trisomy 21. 
C) Turner's syndrome. 
D) Klinefelter's syndrome. 
E) a translocation defect.

Question 19

If the parents are AA and aa,the offspring are all expected to be

Accepted Answer

A) sterile. 
B) Aa. 
C) AA. 
D) aa. 
E) either AA or aa. 
A) sterile. 
B) Aa. 
C) AA. 
D) aa. 
E) either AA or aa.

Question 20

-Label F represents which of the following structures?

Accepted Answer

A) blastocyst 
B) inner cell mass 
C) trophoblast 
D) syncytial trophoblast 
E) cellular trophoblast 
A) blastocyst 
B) inner cell mass 
C) trophoblast 
D) syncytial trophoblast 
E) cellular trophoblast

Which of the following is a recessive trait?

-Label A represents which of the following structures?

The outer layer of cells separating the outside world from the blastocoele is called the

If an X-carrying sperm fertilizes an egg,the resulting zygote will be

Which of the following is an example of positive feedback during labor?

Human somatic cells contain ________ chromosomes.

The aging process is called

The morula stage occurs during which process?

Which extraembryonic structure is created as migrating mesodermal cells form a layer beneath the trophoblast,separating it from the blastocoele?

-Label E represents which of the following structures?

In humans,the 22 pairs of chromosomes,which contain most of the genes that affect somatic characteristics such as hair color and skin pigmentation,are called

Neural tube formation occurs during which gestational age?

The study of the development of the human organism during the first two months after fertilization is called

-Label C represents which of the following structures?

The hollow cavity within the blastocyst is the

Which statement regarding the neonatal renal system is true?

Genes that appear on the X chromosome are said to be

The most common viable chromosome abnormality is

If the parents are AA and aa,the offspring are all expected to be

-Label F represents which of the following structures?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

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Exam 20: Development and Inheritance

Which of the following is a recessive trait?

-Label A represents which of the following structures?

The outer layer of cells separating the outside world from the blastocoele is called the

If an X-carrying sperm fertilizes an egg,the resulting zygote will be

Which of the following is an example of positive feedback during labor?

Human somatic cells contain ________ chromosomes.

The aging process is called

The morula stage occurs during which process?

Which extraembryonic structure is created as migrating mesodermal cells form a layer beneath the trophoblast,separating it from the blastocoele?

-Label E represents which of the following structures?

In humans,the 22 pairs of chromosomes,which contain most of the genes that affect somatic characteristics such as hair color and skin pigmentation,are called

Neural tube formation occurs during which gestational age?

The study of the development of the human organism during the first two months after fertilization is called

-Label C represents which of the following structures?

The hollow cavity within the blastocyst is the

Which statement regarding the neonatal renal system is true?

Genes that appear on the X chromosome are said to be

The most common viable chromosome abnormality is

If the parents are AA and aa,the offspring are all expected to be

-Label F represents which of the following structures?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Filters