Fetal Development and Twins Quiz

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Questions and Answers

During which period of prenatal development does organogenesis occur?

  • Fetal period
  • Embryonic period (correct)
  • Third trimester
  • Germinal period

What is the critical level of neurological maturation achieved by 32 weeks of prenatal development?

  • Ability to regulate body temperature
  • Ability to hear sounds
  • Ability to trigger the birth process (correct)
  • Ability to see light

Which aspect of prenatal development does the third trimester mainly focus on?

  • Quickening
  • Fetal growth and maturation (correct)
  • Implantation
  • Organogenesis

What triggers the birth process at the end of the third trimester?

<p>Hormones produced by the fetal brain (A)</p> Signup and view all the answers

Which type of twins are always of the same sex and highly similar in physical appearance?

<p>Monozygotic twins (B)</p> Signup and view all the answers

What is the term used for babies born before 38 weeks of gestation?

<p>Preterm infant (A)</p> Signup and view all the answers

Which trimester marks the stage where sensory receptors of the fetus are well established?

<p>Second trimester (B)</p> Signup and view all the answers

What is the approximate size of a fetus at the end of the third month of prenatal development?

<p>~1 inch (A)</p> Signup and view all the answers

Girls exhibit slightly faster skeletal development compared to boys by approximately how many weeks?

<p>~4 weeks ahead (C)</p> Signup and view all the answers

'Quickening' in prenatal development refers to which significant event?

<p>Mother being able to feel fetal movements (A)</p> Signup and view all the answers

Which factor is considered to impact the fetus during pregnancy according to the text?

<p>Drug use (C)</p> Signup and view all the answers

What is a common emotional state experienced by pregnant women according to the text?

<p>Anxiety and depression (C)</p> Signup and view all the answers

How can physical changes during pregnancy be perceived by pregnant women?

<p>Source of stress (B)</p> Signup and view all the answers

What impact does poverty have on the fetus during pregnancy?

<p>Negative impact on fetus (C)</p> Signup and view all the answers

Which of the following is NOT considered a factor affecting the fetus during pregnancy according to the text?

<p>Physical therapy (C)</p> Signup and view all the answers

What is the term used to describe the condition when a zygote travels out of the fallopian tube and implants in the uterine wall?

<p>Implantation (B)</p> Signup and view all the answers

What process involves the establishment of all body structures and internal organs in the developing fetus?

<p>Organogenesis (A)</p> Signup and view all the answers

At what point does a fetus reach about 1 inch in length during development?

<p>In the third month (C)</p> Signup and view all the answers

What is primarily responsible for making the male and female brains slightly different during prenatal development?

<p>Sex hormones (B)</p> Signup and view all the answers

At what stage of prenatal development does a fetus grow to around 10 inches and approximately 2 pounds in weight?

<p>Second trimester (C)</p> Signup and view all the answers

What is the term used to describe when a developing fetus has grown large enough that its movements can be felt by the mother?

<p>Quickening (C)</p> Signup and view all the answers

Which type of twins may be of different sexes and have only about half their genetic material in common?

<p>Dizygotic twins (B)</p> Signup and view all the answers

What is the term used to describe babies born before the gestational period of 38 weeks?

<p>Preterm infant (D)</p> Signup and view all the answers

What is achieved by a fetus at the end of the third trimester that triggers the birth process?

<p>Neurological maturation (C)</p> Signup and view all the answers

What triggers malformations in the fetus if exposed to substances like viruses, medicines, or alcohol during prenatal development?

<p>Teratogens (B)</p> Signup and view all the answers

What is a potential impact on the fetus during pregnancy due to the mother's age?

<p>Increased risk of genetic abnormalities (C)</p> Signup and view all the answers

How can poverty potentially affect the fetus during pregnancy?

<p>Higher likelihood of premature birth (A)</p> Signup and view all the answers

Which emotional state experienced by pregnant women can be particularly harmful to the fetus?

<p>Anxiety and depression (D)</p> Signup and view all the answers

What physical changes during pregnancy may be perceived as a source of stress by pregnant women?

<p>Nausea and indigestion (A)</p> Signup and view all the answers

How do social roles change for a woman during pregnancy according to the text?

<p>Transformation from mother/father to grandmother/grandfather (C)</p> Signup and view all the answers

Which substance is mentioned in the text as potentially harmful if used during pregnancy?

<p>Nicotine (C)</p> Signup and view all the answers

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