Question 1

What is the definition of the following terms?
-Cephalocaudal principle

Accepted Answer

The pattern of growth in which development begins in the anterior (head) and later occurs in the posterior (tail) of the organism.

Question 2

During which prenatal stage does exposure to teratogens pose the greatest risk to the development of major organ systems and structures?

Accepted Answer

A)  germinal 
B)  embryonic 
C)  fetal 
D)  neonatal 
A)  germinal 
B)  embryonic 
C)  fetal 
D)  neonatal B

Question 3

What is the definition of the following terms?
-Mitosis

Accepted Answer

The life-long process of cell division in which a cell divides into two identical cells.

Question 4

All of the following statements about twins are correct except

Accepted Answer

A)  when a single fertilized ovum divides into two separate cells, it results in monozygotic twins 
B)  when two different eggs are released and fertilized by two different sperm, the result is dizygotic twins 
C)  in some twin pregnancies, one of the twins "vanishes" when each of the twins possesses a different variant of a gene on the same chromosome 
D)  monozygotic twins can be the same sex (two boys or two girls) or different sexes (one boy and one girl) 
A)  when a single fertilized ovum divides into two separate cells, it results in monozygotic twins 
B)  when two different eggs are released and fertilized by two different sperm, the result is dizygotic twins 
C)  in some twin pregnancies, one of the twins "vanishes" when each of the twins possesses a different variant of a gene on the same chromosome 
D)  monozygotic twins can be the same sex (two boys or two girls) or different sexes (one boy and one girl)

Question 5

What is the definition of the following terms?
-Assisted reproductive technology (ART)

Accepted Answer

Fertility treatments

Question 6

The procedure in which blastocysts resulting from in vitro fertilization are biopsied in order to determine whether they are carriers of a known hereditary disease is

Accepted Answer

A)  gamete intrafallopian transfer 
B)  zygote intrafallopian transfer 
C)  preimplantation genetic diagnosis 
D)  placental gamete differentiation 
A)  gamete intrafallopian transfer 
B)  zygote intrafallopian transfer 
C)  preimplantation genetic diagnosis 
D)  placental gamete differentiation

Question 7

Which of the following statements about chromosomes is correct?

Accepted Answer

A)  females have two pairs of sex chromosomes, males have one pair 
B)  females have two X chromosomes, males have one X and one Y 
C)  males have more sex chromosomes than females have 
D)  males have sex chromosomes, females have autosomes 
A)  females have two pairs of sex chromosomes, males have one pair 
B)  females have two X chromosomes, males have one X and one Y 
C)  males have more sex chromosomes than females have 
D)  males have sex chromosomes, females have autosomes

Question 8

The prenatal stage of development that begins with fertilization and ends at approximately 2 weeks is the _____ stage.

Accepted Answer

A)  preconception 
B)  germinal 
C)  embryonic 
D)  fetal 
A)  preconception 
B)  germinal 
C)  embryonic 
D)  fetal

Question 9

Which types of birth defects are the most common in the United States?

Accepted Answer

A)  spina bifida 
B)  anencephaly 
C)  congenital heart defects 
D)  gastrointestinal tract defects 
A)  spina bifida 
B)  anencephaly 
C)  congenital heart defects 
D)  gastrointestinal tract defects

Question 10

What is the definition of the following terms?
-Deoxyribonucleic acid (DNA) (62)

Accepted Answer

Strands of molecules

Question 11

Which of the following lists different forms of prenatal diagnosis from least to most risky?

Accepted Answer

A)  amniocentesis, ultrasound, maternal serum alpha fetoprotein test 
B)  ultrasound, maternal serum alpha fetoprotein test, amniocentesis 
C)  maternal serum alpha fetoprotein test, amniocentesis, ultrasound 
D)  maternal serum alpha fetoprotein test, ultrasound, amniocentesis 
A)  amniocentesis, ultrasound, maternal serum alpha fetoprotein test 
B)  ultrasound, maternal serum alpha fetoprotein test, amniocentesis 
C)  maternal serum alpha fetoprotein test, amniocentesis, ultrasound 
D)  maternal serum alpha fetoprotein test, ultrasound, amniocentesis

Question 12

What is the definition of the following terms?
-Mesoderm

Accepted Answer

The middle layer of the inner

Question 13

What is the definition of the following terms?
-Germinal stage

Accepted Answer

The first prenatal s

Question 14

A couple who have not been able to become pregnant despite trying for 12 months without using any contraception might consider using assisted reproductive technology (ART). All of the following are considered ART procedures except

Accepted Answer

A)  intrauterine insemination (IUI) 
B)  in vitro fertilization (IVF) 
C)  gamete intrafallopian transfer (GIFT) 
D)  intracytoplasmic sperm injection (ICSI) 
A)  intrauterine insemination (IUI) 
B)  in vitro fertilization (IVF) 
C)  gamete intrafallopian transfer (GIFT) 
D)  intracytoplasmic sperm injection (ICSI)

Question 15

What is the definition of the following terms?
-Proximodistal principle

Accepted Answer

The pattern of growth in which

Question 16

What is the definition of the following terms?
-Meiosis

Accepted Answer

The process through

Question 17

What is the definition of the following terms?
-Genes

Accepted Answer

Units of hereditary informatio

Question 18

What is the definition of the following terms?
-Neural tube defects

Accepted Answer

Birth defects that involve abn

Question 19

A genetic counselor is meeting with a couple considering trying to become pregnant. One of the prospective parents tells the counselor that her father has Huntington's disease. The counselor will probably tell this couple

Accepted Answer

A)  that the chance of their child having Huntington's disease is relatively low because they would need to pass on two recessive genes for the disease 
B)  that any child they have together has a 100 percent chance of developing Huntington's disease 
C)  to adopt rather than have a biological child because it is impossible to calculate the chance that their offspring will have Huntington's disease 
D)  that any biological children they have will develop Huntington's if they receive even one mutant HD gene 
A)  that the chance of their child having Huntington's disease is relatively low because they would need to pass on two recessive genes for the disease 
B)  that any child they have together has a 100 percent chance of developing Huntington's disease 
C)  to adopt rather than have a biological child because it is impossible to calculate the chance that their offspring will have Huntington's disease 
D)  that any biological children they have will develop Huntington's if they receive even one mutant HD gene

Question 20

What is the definition of the following terms?
-Autosomes

Accepted Answer

Any of the chromosom

What is the definition of the following terms? -Cephalocaudal principle

During which prenatal stage does exposure to teratogens pose the greatest risk to the development of major organ systems and structures?

What is the definition of the following terms? -Mitosis

All of the following statements about twins are correct except

What is the definition of the following terms? -Assisted reproductive technology (ART)

The procedure in which blastocysts resulting from in vitro fertilization are biopsied in order to determine whether they are carriers of a known hereditary disease is

Which of the following statements about chromosomes is correct?

The prenatal stage of development that begins with fertilization and ends at approximately 2 weeks is the _____ stage.

Which types of birth defects are the most common in the United States?

What is the definition of the following terms? -Deoxyribonucleic acid (DNA) (62)

Which of the following lists different forms of prenatal diagnosis from least to most risky?

What is the definition of the following terms? -Mesoderm

What is the definition of the following terms? -Germinal stage

A couple who have not been able to become pregnant despite trying for 12 months without using any contraception might consider using assisted reproductive technology (ART). All of the following are considered ART procedures except

What is the definition of the following terms? -Proximodistal principle

What is the definition of the following terms? -Meiosis

What is the definition of the following terms? -Genes

What is the definition of the following terms? -Neural tube defects

A genetic counselor is meeting with a couple considering trying to become pregnant. One of the prospective parents tells the counselor that her father has Huntington's disease. The counselor will probably tell this couple

What is the definition of the following terms? -Autosomes

Beliefs About Babies: Historical Perspectives on Children and Childhood

Research Methods

Birth and the Newborn

Physical Growth, Health, and Nutrition

Sensation, Perception, and Motor Development

Cognition, Learning, and Intelligence

Language and Communication

Relationships and Social Development

Temperament, Emotions, and the Self

Building Better Babies: Childcare and Early Intervention

Babies of Today and Tomorrow: Music, Media, and Computers

Filters

Exam 3: Genetics, Conception, and Prenatal Development

What is the definition of the following terms? -Cephalocaudal principle

During which prenatal stage does exposure to teratogens pose the greatest risk to the development of major organ systems and structures?

What is the definition of the following terms? -Mitosis

All of the following statements about twins are correct except

What is the definition of the following terms? -Assisted reproductive technology (ART)

The procedure in which blastocysts resulting from in vitro fertilization are biopsied in order to determine whether they are carriers of a known hereditary disease is

Which of the following statements about chromosomes is correct?

The prenatal stage of development that begins with fertilization and ends at approximately 2 weeks is the _____ stage.

Which types of birth defects are the most common in the United States?

What is the definition of the following terms? -Deoxyribonucleic acid (DNA) (62)

Which of the following lists different forms of prenatal diagnosis from least to most risky?

What is the definition of the following terms? -Mesoderm

What is the definition of the following terms? -Germinal stage

A couple who have not been able to become pregnant despite trying for 12 months without using any contraception might consider using assisted reproductive technology (ART). All of the following are considered ART procedures except

What is the definition of the following terms? -Proximodistal principle

What is the definition of the following terms? -Meiosis

What is the definition of the following terms? -Genes

What is the definition of the following terms? -Neural tube defects

A genetic counselor is meeting with a couple considering trying to become pregnant. One of the prospective parents tells the counselor that her father has Huntington's disease. The counselor will probably tell this couple

What is the definition of the following terms? -Autosomes

Beliefs About Babies: Historical Perspectives on Children and Childhood

Research Methods

Birth and the Newborn

Physical Growth, Health, and Nutrition

Sensation, Perception, and Motor Development

Cognition, Learning, and Intelligence

Language and Communication

Relationships and Social Development

Temperament, Emotions, and the Self

Building Better Babies: Childcare and Early Intervention

Babies of Today and Tomorrow: Music, Media, and Computers

Filters