Podcast
Questions and Answers
Which structure carries oxygen and nutrients acquired from the mother’s intervillous spaces into the fetus?
Which structure carries oxygen and nutrients acquired from the mother’s intervillous spaces into the fetus?
What is the process called when the embryo is converted from a flat, two-dimensional trilaminar embryonic disc to a three-dimensional cylinder?
What is the process called when the embryo is converted from a flat, two-dimensional trilaminar embryonic disc to a three-dimensional cylinder?
Which part of the embryo undergoes rapid longitudinal growth and is mainly responsible for embryonic folding?
Which part of the embryo undergoes rapid longitudinal growth and is mainly responsible for embryonic folding?
Which body system begins to develop by the end of the eighth week of embryonic development?
Which body system begins to develop by the end of the eighth week of embryonic development?
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During the fifth week of development, which part of the body shows considerable growth due to rapid brain development?
During the fifth week of development, which part of the body shows considerable growth due to rapid brain development?
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At what point does the upper limb development begin in the embryo?
At what point does the upper limb development begin in the embryo?
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What is formed on each side of the future head and neck regions during the fourth week?
What is formed on each side of the future head and neck regions during the fourth week?
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Which structure appears around 22 days after fertilization and is a sign of developing ear in the embryo?
Which structure appears around 22 days after fertilization and is a sign of developing ear in the embryo?
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When do the beginnings of digits appear in the limbs?
When do the beginnings of digits appear in the limbs?
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What percentage of total body mass is body fat in a fetus with visible toenails?
What percentage of total body mass is body fat in a fetus with visible toenails?
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During which period does the fetus experience a remarkable rate of body growth, especially in the second half?
During which period does the fetus experience a remarkable rate of body growth, especially in the second half?
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At what stage can the heartbeat of the fetus be detected?
At what stage can the heartbeat of the fetus be detected?
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During which stage do external ears develop and become low set on the fetus?
During which stage do external ears develop and become low set on the fetus?
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At what percentage of total body mass does body fat reach its peak before birth?
At what percentage of total body mass does body fat reach its peak before birth?
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Which of the following statements about fetal development is true?
Which of the following statements about fetal development is true?
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In which part of the fetal body does skin appear pink and wrinkled as birth approaches?
In which part of the fetal body does skin appear pink and wrinkled as birth approaches?
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What happens to the growth rate as birth approaches?
What happens to the growth rate as birth approaches?
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Which of the following statements about the placenta is incorrect?
Which of the following statements about the placenta is incorrect?
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By the beginning of the twelfth week, the placenta has two distinct parts. Which of the following correctly identifies these parts?
By the beginning of the twelfth week, the placenta has two distinct parts. Which of the following correctly identifies these parts?
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What is the primary function of the placenta?
What is the primary function of the placenta?
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Which of the following statements about the placenta is correct?
Which of the following statements about the placenta is correct?
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What happens during the exchange of nutrients and wastes between the mother and embryo/fetus?
What happens during the exchange of nutrients and wastes between the mother and embryo/fetus?
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Which of the following substances can pass freely through the placenta?
Which of the following substances can pass freely through the placenta?
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At what stage of development does the placenta begin to form?
At what stage of development does the placenta begin to form?
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Which of the following statements about the maternal and embryonic blood vessels in the placenta is correct?
Which of the following statements about the maternal and embryonic blood vessels in the placenta is correct?
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What gives the umbilical cord its shiny appearance?
What gives the umbilical cord its shiny appearance?
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During embryonic folding, what is the main force responsible for the process?
During embryonic folding, what is the main force responsible for the process?
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What differentiates into an anterior foregut, an intermediate midgut, and a posterior hindgut during embryonic development?
What differentiates into an anterior foregut, an intermediate midgut, and a posterior hindgut during embryonic development?
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What structures begin their development on the 22nd day after fertilization and form swellings on the surface of the embryo?
What structures begin their development on the 22nd day after fertilization and form swellings on the surface of the embryo?
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What appears at 22 days after fertilization as a sign of developing ear in the embryo?
What appears at 22 days after fertilization as a sign of developing ear in the embryo?
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During which week of development does a very rapid development of the brain occur?
During which week of development does a very rapid development of the brain occur?
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What begins their development as outgrowths of mesoderm covered by ectoderm called upper limb buds?
What begins their development as outgrowths of mesoderm covered by ectoderm called upper limb buds?
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Which part brings the developing heart and mouth into their eventual adult positions as a result of embryonic folding?
Which part brings the developing heart and mouth into their eventual adult positions as a result of embryonic folding?
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At what stage does the fetal head size transition from being half the length of the body to only one-quarter the length of the body?
At what stage does the fetal head size transition from being half the length of the body to only one-quarter the length of the body?
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According to the information provided, during which period do the limbs increase in size from one-eighth to one-half the fetal length?
According to the information provided, during which period do the limbs increase in size from one-eighth to one-half the fetal length?
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Which of the following statements accurately describes the development of the fetus during the fetal period?
Which of the following statements accurately describes the development of the fetus during the fetal period?
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At what stage does the fetus begin to move, although the movements cannot be felt by the mother?
At what stage does the fetus begin to move, although the movements cannot be felt by the mother?
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Which of the following statements accurately describes the development of the fetus during the fetal period?
Which of the following statements accurately describes the development of the fetus during the fetal period?
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According to the information provided, which of the following statements is true about the development of the fetus during the fetal period?
According to the information provided, which of the following statements is true about the development of the fetus during the fetal period?
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During which stage of fetal development does the fetus assume an upside-down position?
During which stage of fetal development does the fetus assume an upside-down position?
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According to the information provided, what percentage of total body mass is body fat in a full-term fetus?
According to the information provided, what percentage of total body mass is body fat in a full-term fetus?
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Which of the following statements is true about the development of the fetus during the fetal period?
Which of the following statements is true about the development of the fetus during the fetal period?
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Which of the following best describes the function of the placenta?
Which of the following best describes the function of the placenta?
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What is unique about the development of the placenta?
What is unique about the development of the placenta?
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Which of the following substances can cross the placental barrier and potentially harm the developing fetus?
Which of the following substances can cross the placental barrier and potentially harm the developing fetus?
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At what stage of development does the placenta begin to form?
At what stage of development does the placenta begin to form?
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Which statement accurately describes the relationship between maternal and embryonic blood vessels in the placenta?
Which statement accurately describes the relationship between maternal and embryonic blood vessels in the placenta?
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By the beginning of the twelfth week, which of the following correctly identifies the two distinct parts of the placenta?
By the beginning of the twelfth week, which of the following correctly identifies the two distinct parts of the placenta?
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Which of the following statements about the exchange of nutrients and wastes between the mother and embryo/fetus is correct?
Which of the following statements about the exchange of nutrients and wastes between the mother and embryo/fetus is correct?
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Which of the following statements best describes the protective function of the placenta?
Which of the following statements best describes the protective function of the placenta?
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The placenta is the site where carbon dioxide and wastes diffuse from maternal blood into fetal blood.
The placenta is the site where carbon dioxide and wastes diffuse from maternal blood into fetal blood.
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The placenta develops solely from the mother's reproductive organs.
The placenta develops solely from the mother's reproductive organs.
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The maternal and embryonic blood vessels in the placenta join and their blood mixes freely.
The maternal and embryonic blood vessels in the placenta join and their blood mixes freely.
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The placenta is permeable to all microorganisms, allowing them to pass through freely.
The placenta is permeable to all microorganisms, allowing them to pass through freely.
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Certain viruses such as AIDS can cross the placenta and affect the developing fetus.
Certain viruses such as AIDS can cross the placenta and affect the developing fetus.
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Alcohol, drugs, and substances that can cause birth defects cannot pass through the placenta.
Alcohol, drugs, and substances that can cause birth defects cannot pass through the placenta.
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The fetal portion of the placenta develops from the endometrium of the uterus.
The fetal portion of the placenta develops from the endometrium of the uterus.
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Nutrients and oxygen diffuse from fetal blood into maternal blood through the placenta.
Nutrients and oxygen diffuse from fetal blood into maternal blood through the placenta.
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The placenta begins to form during the 1st week of development.
The placenta begins to form during the 1st week of development.
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The placenta does not play a role in sustaining the pregnancy by producing essential hormones.
The placenta does not play a role in sustaining the pregnancy by producing essential hormones.
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During the fetal period, new structures appear frequently.
During the fetal period, new structures appear frequently.
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At the end of the fetal period, the head size is one-third the length of the body.
At the end of the fetal period, the head size is one-third the length of the body.
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During the fetal period, the limbs increase in size from one-tenth to one-half the fetal length.
During the fetal period, the limbs increase in size from one-tenth to one-half the fetal length.
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Fetuses are more vulnerable to drugs, radiation, and microbes during the fetal period than they were as embryos.
Fetuses are more vulnerable to drugs, radiation, and microbes during the fetal period than they were as embryos.
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The gender of the fetus becomes distinguishable from external genitals during the embryonic period.
The gender of the fetus becomes distinguishable from external genitals during the embryonic period.
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During the fetal period, brain development slows down significantly.
During the fetal period, brain development slows down significantly.
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A fetus typically assumes an upright position during the fetal period.
A fetus typically assumes an upright position during the fetal period.
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At 32 weeks, testes are usually in scrotum in full-term male infants.
At 32 weeks, testes are usually in scrotum in full-term male infants.
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Fetal body fat reaches its peak percentage at 12% before birth.
Fetal body fat reaches its peak percentage at 12% before birth.
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Even after birth, an infant is completely developed and does not require any additional time for development.
Even after birth, an infant is completely developed and does not require any additional time for development.
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The main force responsible for embryonic folding is the different rates of growth of various parts of the embryo.
The main force responsible for embryonic folding is the different rates of growth of various parts of the embryo.
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The term 'organogenesis' specifically refers to the development of body organs and systems during the fourth through eighth weeks of embryonic development.
The term 'organogenesis' specifically refers to the development of body organs and systems during the fourth through eighth weeks of embryonic development.
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The primitive gut differentiates into an anterior foregut, a posterior hindgut, and an intermediate midgut.
The primitive gut differentiates into an anterior foregut, a posterior hindgut, and an intermediate midgut.
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During the fifth week of development, there is considerable growth in the limbs due to rapid brain development.
During the fifth week of development, there is considerable growth in the limbs due to rapid brain development.
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By the end of the sixth week of development, the head grows even larger relative to the trunk.
By the end of the sixth week of development, the head grows even larger relative to the trunk.
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The heart prominence is a distinct projection on the dorsal surface of the embryo.
The heart prominence is a distinct projection on the dorsal surface of the embryo.
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The otic placode appears around 22 days after fertilization and is a sign of developing eyes in the embryo.
The otic placode appears around 22 days after fertilization and is a sign of developing eyes in the embryo.
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The lateral folds in embryonic development form as the lateral margins bend dorsally.
The lateral folds in embryonic development form as the lateral margins bend dorsally.
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The upper limb buds begin their development by the middle of the fourth week.
The upper limb buds begin their development by the middle of the fourth week.
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During organogenesis, all major body systems have already begun to develop by the end of the eighth week.
During organogenesis, all major body systems have already begun to develop by the end of the eighth week.
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Match the following fetal development stages with the corresponding descriptions:
Match the following fetal development stages with the corresponding descriptions:
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Match the following fetal developments with their corresponding characteristics:
Match the following fetal developments with their corresponding characteristics:
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Match the following about fetal body changes with their corresponding features:
Match the following about fetal body changes with their corresponding features:
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Match the following fetal growth characteristics with their corresponding stages:
Match the following fetal growth characteristics with their corresponding stages:
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Match the following features of fetal development with their corresponding periods:
Match the following features of fetal development with their corresponding periods:
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What are the two distinct parts of the placenta by the beginning of the twelfth week?
What are the two distinct parts of the placenta by the beginning of the twelfth week?
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How do oxygen and nutrients move between maternal and fetal blood in the placenta?
How do oxygen and nutrients move between maternal and fetal blood in the placenta?
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Which viruses are able to cross the placenta barrier according to the text?
Which viruses are able to cross the placenta barrier according to the text?
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What substances can freely pass through the placenta and potentially cause birth defects?
What substances can freely pass through the placenta and potentially cause birth defects?
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What is the protective function of the placenta against microorganisms?
What is the protective function of the placenta against microorganisms?
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Why is the development of the placenta considered unique?
Why is the development of the placenta considered unique?
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During which week of fetal development does the head size transition from being half the length of the body to only one-quarter?
During which week of fetal development does the head size transition from being half the length of the body to only one-quarter?
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What is the percentage of total body mass that body fat reaches in a full-term fetus?
What is the percentage of total body mass that body fat reaches in a full-term fetus?
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At what stage of development does the fetus assume an upside-down position?
At what stage of development does the fetus assume an upside-down position?
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What is the proportion of body fat in a fetus with visible toenails?
What is the proportion of body fat in a fetus with visible toenails?
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At what point does the upper limb development begin in the embryo?
At what point does the upper limb development begin in the embryo?
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When does the fetal abdomen circumference become greater than that of the head?
When does the fetal abdomen circumference become greater than that of the head?
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What percentage of total body mass does body fat reach its peak before birth?
What percentage of total body mass does body fat reach its peak before birth?
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During which fetal stage does the fetus experience substantial weight gain and have pink, wrinkled skin?
During which fetal stage does the fetus experience substantial weight gain and have pink, wrinkled skin?
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What are the components of the umbilical cord and their respective functions?
What are the components of the umbilical cord and their respective functions?
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Explain the process of embryonic folding and its significance in development.
Explain the process of embryonic folding and its significance in development.
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Describe the development of pharyngeal arches during embryonic development.
Describe the development of pharyngeal arches during embryonic development.
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What are the key developments in the fifth week of embryonic development?
What are the key developments in the fifth week of embryonic development?
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Discuss the differentiation of the primitive gut during organogenesis.
Discuss the differentiation of the primitive gut during organogenesis.
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Explain the appearance and significance of the otic placode during embryonic development.
Explain the appearance and significance of the otic placode during embryonic development.
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