Question 1

The opening that connects the right and left atria in the fetal heart is the

Accepted Answer

A)  interatrial septum. 
B)  septum primum. 
C)  septum secundum. 
D)  foramen ovale. 
E)  foramen rotundum. 
A)  interatrial septum. 
B)  septum primum. 
C)  septum secundum. 
D)  foramen ovale. 
E)  foramen rotundum.

Question 2

Which of the following is mismatched?

Accepted Answer

A)  foramen ovale - ligamentum ovale 
B)  ductus arteriosus - ligamentum arteriosus 
C)  ductus venosus - ligamentum venosus 
D)  umbilical vein - ligamentum teres of the liver 
E)  umbilical arteries - cords of umbilical arteries 
A)  foramen ovale - ligamentum ovale 
B)  ductus arteriosus - ligamentum arteriosus 
C)  ductus venosus - ligamentum venosus 
D)  umbilical vein - ligamentum teres of the liver 
E)  umbilical arteries - cords of umbilical arteries

Question 3

Which germ layer are the tonsils derived from?

Accepted Answer

A)  ectoderm 
B)  mesoderm 
C)  endoderm 
A)  ectoderm 
B)  mesoderm 
C)  endoderm

Question 4

-The picture shows a full term pregnancy. What does "E" represent?

Accepted Answer

A)  placenta 
B)  umbilical cord 
C)  urinary bladder 
D)  mucus plug in cervical canal 
E)  vagina 
A)  placenta 
B)  umbilical cord 
C)  urinary bladder 
D)  mucus plug in cervical canal 
E)  vagina

Question 5

The time period between fertilization and implantation is approximately

Accepted Answer

A)  5 days. 
B)  7 days. 
C)  10 days. 
D)  14 days. 
E)  21 days. 
A)  5 days. 
B)  7 days. 
C)  10 days. 
D)  14 days. 
E)  21 days.

Question 6

Developmental events are calculated from

Accepted Answer

A)  ovulation. 
B)  conception. 
C)  the last menstrual period. 
D)  fourteen days after the last menstrual period. 
E)  fourteen days before the last menstrual period. 
A)  ovulation. 
B)  conception. 
C)  the last menstrual period. 
D)  fourteen days after the last menstrual period. 
E)  fourteen days before the last menstrual period.

Question 7

Which germ layer is the cardiovascular system derived from?

Accepted Answer

A)  ectoderm 
B)  mesoderm 
C)  endoderm 
A)  ectoderm 
B)  mesoderm 
C)  endoderm

Question 8

Which of the following chromosome anomalies can be found in either sex?

Accepted Answer

A)  Turner's Syndrome (XO) 
B)  Klinefelter's Syndrome (XXY) 
C)  Down Syndrome (Trisomy 21) 
D)  Barker's Syndrome 
E)  They all can be found in either sex. 
A)  Turner's Syndrome (XO) 
B)  Klinefelter's Syndrome (XXY) 
C)  Down Syndrome (Trisomy 21) 
D)  Barker's Syndrome 
E)  They all can be found in either sex.

Question 9

If the secondary palate does not fuse the result is a

Accepted Answer

A)  cleft palate. 
B)  cleft throat. 
C)  facial cleft. 
D)  cleft lip. 
E)  cleft tongue. 
A)  cleft palate. 
B)  cleft throat. 
C)  facial cleft. 
D)  cleft lip. 
E)  cleft tongue.

Question 10

-The picture shows a mature placenta and fetus. What does "E" represent?

Accepted Answer

A)  umbilical vein 
B)  umbilical arteries 
C)  umbilical cord 
D)  placenta 
E)  endometrium 
A)  umbilical vein 
B)  umbilical arteries 
C)  umbilical cord 
D)  placenta 
E)  endometrium

Question 11

When more than one gene pair is involved in an inheritance pattern, it is called

Accepted Answer

A)  structural gene. 
B)  autosome. 
C)  genotype. 
D)  polygenic. 
E)  y-linked. 
A)  structural gene. 
B)  autosome. 
C)  genotype. 
D)  polygenic. 
E)  y-linked.

Question 12

The eyes develop as an evagination from the

Accepted Answer

A)  myelencephalon. 
B)  mesencephalon. 
C)  neural crest cells. 
D)  diencephalon. 
E)  telencephalon. 
A)  myelencephalon. 
B)  mesencephalon. 
C)  neural crest cells. 
D)  diencephalon. 
E)  telencephalon.

Question 13

Gastrulation is the process of development that produces the

Accepted Answer

A)  placenta. 
B)  embryonic disk. 
C)  germ layers. 
D)  rudimentary organs. 
A)  placenta. 
B)  embryonic disk. 
C)  germ layers. 
D)  rudimentary organs.

Question 14

Which of the following is derived from ectoderm?

Accepted Answer

A)  lens of the eye 
B)  thymus gland 
C)  tonsils 
D)  urinary bladder 
E)  dermis of skin 
A)  lens of the eye 
B)  thymus gland 
C)  tonsils 
D)  urinary bladder 
E)  dermis of skin

Question 15

Genes that are passed from male to male are called

Accepted Answer

A)  structural genes. 
B)  autosomes. 
C)  genotypes. 
D)  polygenic. 
E)  y-linked. 
A)  structural genes. 
B)  autosomes. 
C)  genotypes. 
D)  polygenic. 
E)  y-linked.

Question 16

Which of the following statements concerning the embryonic circulatory system is true?

Accepted Answer

A)  The heart develops from four endothelial tubes. 
B)  Blood vessels form from blood islands. 
C)  An opening in the interatrial septum is called the sinus venosus. 
D)  The bulbus cordis becomes the sinoatrial node (the adult pacemaker). 
E)  There is an opening in the interventricular septum. 
A)  The heart develops from four endothelial tubes. 
B)  Blood vessels form from blood islands. 
C)  An opening in the interatrial septum is called the sinus venosus. 
D)  The bulbus cordis becomes the sinoatrial node (the adult pacemaker). 
E)  There is an opening in the interventricular septum.

Question 17

The single layer of cells that surrounds the blastocele is the

Accepted Answer

A)  morula. 
B)  gastrula. 
C)  blastocyst. 
D)  trophoblast. 
E)  inner cell mass. 
A)  morula. 
B)  gastrula. 
C)  blastocyst. 
D)  trophoblast. 
E)  inner cell mass.

Question 18

Onset of labor may result from

Accepted Answer

A)  increased estrogen secretion by the placenta. 
B)  increased glucocorticoid secretion by the mother. 
C)  increased secretion of oxytocin by the fetus. 
D)  increased progesterone secretion by the placenta. 
E)  decreased prostaglandins. 
A)  increased estrogen secretion by the placenta. 
B)  increased glucocorticoid secretion by the mother. 
C)  increased secretion of oxytocin by the fetus. 
D)  increased progesterone secretion by the placenta. 
E)  decreased prostaglandins.

Question 19

The pleural and peritoneal cavities of the adult begin as part of the _____ cavity.

Accepted Answer

A)  cloacal 
B)  somatomeric 
C)  coelomic 
D)  apical 
E)  ventral 
A)  cloacal 
B)  somatomeric 
C)  coelomic 
D)  apical 
E)  ventral

Question 20

Which of the following vitamins are thought to play a role in decreasing the physiological changes in aging?

Accepted Answer

A)  vitamins A and B12 
B)  vitamins A and B6 
C)  vitamins E and C 
D)  vitamins A and D 
E)  vitamins A and K 
A)  vitamins A and B12 
B)  vitamins A and B6 
C)  vitamins E and C 
D)  vitamins A and D 
E)  vitamins A and K

Exam 29: Development, Growth, Aging, and Genetics

The opening that connects the right and left atria in the fetal heart is the

Which of the following is mismatched?

Which germ layer are the tonsils derived from?

-The picture shows a full term pregnancy. What does "E" represent?

The time period between fertilization and implantation is approximately

Developmental events are calculated from

Which germ layer is the cardiovascular system derived from?

Which of the following chromosome anomalies can be found in either sex?

If the secondary palate does not fuse the result is a

-The picture shows a mature placenta and fetus. What does "E" represent?

When more than one gene pair is involved in an inheritance pattern, it is called

The eyes develop as an evagination from the

Gastrulation is the process of development that produces the

Which of the following is derived from ectoderm?

Genes that are passed from male to male are called

Which of the following statements concerning the embryonic circulatory system is true?

The single layer of cells that surrounds the blastocele is the

Onset of labor may result from

The pleural and peritoneal cavities of the adult begin as part of the _____ cavity.

Which of the following vitamins are thought to play a role in decreasing the physiological changes in aging?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

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