Prenatal Development Stages and Influences Quiz

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What is the major achievement during the germinal stage of development?

Rapid cell division leading to the formation of blastocyst (correct)

Formation of bones

Growth from ¼ inch to 1 inch

Formation of major organs

Which of the following terms describes the direction of development from head to tail or top-down?

Cell migration

Cephalocaudal (correct)

Cell differentiation

Proximal-Distal

What is the critical period during pregnancy when the major organs are formed and are susceptible to external influences?

Germinal stage

Apoptosis

Embryonic stage (correct)

Fetal stage

Which event marks the beginning of the fetal stage of development?

Start of bone formation Signup and view all the answers

What structure eventually becomes the brain and spinal cord in human development?

Neural Tube Signup and view all the answers

Which term refers to cell death in the process of cell development and differentiation?

Apoptosis Signup and view all the answers

Which of the following best describes the germinal stage of prenatal development?

The zygote divides into a ball of cells and travels to the uterus. Signup and view all the answers

Which of the following is a major achievement of the embryonic stage of prenatal development?

The formation of the neural tube, which will become the brain and spinal cord. Signup and view all the answers

Which of the following is a characteristic of the fetal stage of prenatal development?

The fetus grows rapidly and develops most internal and external structures. Signup and view all the answers

Which of the following is an example of a teratogen that can affect prenatal development?

Exposure to high levels of radiation. Signup and view all the answers

Which stage of prenatal development is considered the most sensitive to environmental factors that can cause birth defects?

Embryonic stage Signup and view all the answers

Which of the following best describes a critical period in prenatal development?

A specific time when the embryo is highly sensitive to environmental factors that can cause birth defects. Signup and view all the answers

Which stage of prenatal development is considered the most susceptible to teratogens?

Embryonic stage Signup and view all the answers

What is a critical or sensitive period in prenatal development?

A timeframe when the developing organism is more vulnerable to damage from teratogens Signup and view all the answers

Which of the following is NOT a factor that influences the extent of harm caused by teratogens?

The socioeconomic status of the mother Signup and view all the answers

During which stage of prenatal development does the germinal stage occur?

First two weeks after conception Signup and view all the answers

What is the leading non-genetic cause of mental retardation in the United States?

Prenatal exposure to alcohol Signup and view all the answers

Which of the following is NOT a potential consequence of high prenatal exposure to alcohol?

Increased risk of childhood obesity Signup and view all the answers

Which of the following is a major achievement of the embryonic stage of prenatal development?

Formation of the nervous system and sensory organs Signup and view all the answers

Which stage of prenatal development is considered the most susceptible to teratogens, or environmental factors that can cause birth defects?

Embryonic stage Signup and view all the answers

Which of the following best describes a critical period in prenatal development?

A time when the fetus is particularly sensitive to environmental influences that can cause permanent changes or damage Signup and view all the answers

What structure eventually becomes the brain and spinal cord in human development?

The neural tube Signup and view all the answers

Which of the following is a factor that influences the extent of harm caused by teratogens?

All of the above Signup and view all the answers

Which of the following is a major achievement of the germinal stage of prenatal development?

Fertilization of the egg by the sperm Signup and view all the answers

What is the major achievement during the germinal stage of prenatal development?

Rapid cell division and formation of the blastocyst Signup and view all the answers

Which stage of prenatal development is considered the most susceptible to teratogens?

Embryonic stage Signup and view all the answers

What term describes the direction of development from head to tail or top-down?

Cephalocaudal Signup and view all the answers

Which event marks the beginning of the fetal stage of development?

Attachment to the uterine wall Signup and view all the answers

Which term refers to cell death in the process of cell development and differentiation?

Apoptosis Signup and view all the answers

What is a critical or sensitive period in prenatal development?

The embryonic stage Signup and view all the answers

Which of the following best describes the development of the baby's skin during the 18th week of pregnancy?

The skin is very vulnerable and the baby has sleeping and waking states. Signup and view all the answers

What is the average length and weight of a baby at birth?

20 inches (51 cm) and 7 lbs (3.2 kg) Signup and view all the answers

Which of the following is a major achievement of the fetal stage of prenatal development?

The formation of the baby's bones and the development of reflexes. Signup and view all the answers

What is the critical period during pregnancy when the major organs are formed and are susceptible to external influences?

The embryonic stage Signup and view all the answers

Which of the following best describes the process of brain development during the prenatal period?

Brain development occurs throughout the prenatal period and continues after birth. Signup and view all the answers

What is the potential consequence of maintaining the same growth rate throughout pregnancy?

The baby would weigh around 200 lbs (90 kg) at birth. Signup and view all the answers

During which stage of prenatal development do major organ systems begin to form and function, with each organ having a unique sensitive period influenced by different teratogens?

Embryonic stage Signup and view all the answers

What specific factors influence prenatal development the most during the embryonic stage?

Dose, heredity, and timing Signup and view all the answers

Why is the embryonic stage considered the most susceptible to teratogens?

Organs start to form and are vulnerable to damage. Signup and view all the answers

What is a critical period in prenatal development?

A time of greater vulnerability to damage from teratogens. Signup and view all the answers

Which of the following is a key factor determining the extent of harm caused by teratogens during prenatal development?

Heredity Signup and view all the answers

What effect can high prenatal exposure to alcohol have on the developing fetus?

Facial and limb defects Signup and view all the answers

What is a potential risk associated with maternal smoking during pregnancy?

Higher likelihood of premature labor Signup and view all the answers

Which of the following can be a consequence of prenatal exposure to Thalidomide?

Development of deformities in limbs Signup and view all the answers

How might exposure to environmental pollutants affect prenatal development?

Increased risk of developmental issues Signup and view all the answers

What role does the age of the mother play in prenatal development?

Impact on the cumulative effects of various factors Signup and view all the answers

Why are infants of mothers with low socioeconomic status particularly at risk during prenatal development?

The cumulative impact of multiple risk factors Signup and view all the answers

Which factor plays a significant role in increasing the risk of Sudden Infant Death Syndrome (SIDS)?

Low birth weight of the baby Signup and view all the answers

Prenatal Development Stages and Influences Quiz

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Questions and Answers

What is the major achievement during the germinal stage of development?

Which of the following terms describes the direction of development from head to tail or top-down?

What is the critical period during pregnancy when the major organs are formed and are susceptible to external influences?

Which event marks the beginning of the fetal stage of development?

What structure eventually becomes the brain and spinal cord in human development?

Which term refers to cell death in the process of cell development and differentiation?

Which of the following best describes the germinal stage of prenatal development?

Which of the following is a major achievement of the embryonic stage of prenatal development?

Which of the following is a characteristic of the fetal stage of prenatal development?

Which of the following is an example of a teratogen that can affect prenatal development?

Which stage of prenatal development is considered the most sensitive to environmental factors that can cause birth defects?

Which of the following best describes a critical period in prenatal development?

Which stage of prenatal development is considered the most susceptible to teratogens?

What is a critical or sensitive period in prenatal development?

Which of the following is NOT a factor that influences the extent of harm caused by teratogens?

During which stage of prenatal development does the germinal stage occur?

What is the leading non-genetic cause of mental retardation in the United States?

Which of the following is NOT a potential consequence of high prenatal exposure to alcohol?

Which of the following is a major achievement of the embryonic stage of prenatal development?

Which stage of prenatal development is considered the most susceptible to teratogens, or environmental factors that can cause birth defects?

Which of the following best describes a critical period in prenatal development?

What structure eventually becomes the brain and spinal cord in human development?

Which of the following is a factor that influences the extent of harm caused by teratogens?

Which of the following is a major achievement of the germinal stage of prenatal development?

What is the major achievement during the germinal stage of prenatal development?

Which stage of prenatal development is considered the most susceptible to teratogens?

What term describes the direction of development from head to tail or top-down?

Which event marks the beginning of the fetal stage of development?

Which term refers to cell death in the process of cell development and differentiation?

What is a critical or sensitive period in prenatal development?

Which of the following best describes the development of the baby's skin during the 18th week of pregnancy?

What is the average length and weight of a baby at birth?

Which of the following is a major achievement of the fetal stage of prenatal development?

What is the critical period during pregnancy when the major organs are formed and are susceptible to external influences?

Which of the following best describes the process of brain development during the prenatal period?

What is the potential consequence of maintaining the same growth rate throughout pregnancy?

During which stage of prenatal development do major organ systems begin to form and function, with each organ having a unique sensitive period influenced by different teratogens?

What specific factors influence prenatal development the most during the embryonic stage?

Why is the embryonic stage considered the most susceptible to teratogens?

What is a critical period in prenatal development?

Which of the following is a key factor determining the extent of harm caused by teratogens during prenatal development?

What effect can high prenatal exposure to alcohol have on the developing fetus?

What is a potential risk associated with maternal smoking during pregnancy?

Which of the following can be a consequence of prenatal exposure to Thalidomide?

How might exposure to environmental pollutants affect prenatal development?

What role does the age of the mother play in prenatal development?

Why are infants of mothers with low socioeconomic status particularly at risk during prenatal development?

Which factor plays a significant role in increasing the risk of Sudden Infant Death Syndrome (SIDS)?

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