Chapter 15: Pregnancy Nutrition
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Questions and Answers

What is the primary function of the placenta during pregnancy?

  • Developing the fetal nervous system
  • Producing red blood cells for the fetus
  • Regulating maternal hormone levels
  • Facilitating nutrient and waste exchange between mother and fetus (correct)
  • At how many weeks into pregnancy does the fetus typically develop a beating heart and a complete nervous system?

  • 10-12 weeks
  • 20-22 weeks
  • 5-6 weeks (correct)
  • 15-16 weeks
  • What does the neural tube ultimately develop into in the developing fetus?

  • Umbilical cord
  • Placenta
  • Respiratory system
  • Brain and spinal cord (correct)
  • When is the intake of folate most effective in reducing birth defects?

    <p>1st trimester</p> Signup and view all the answers

    What is the best indicator of an infant's overall health status?

    <p>Birth weight</p> Signup and view all the answers

    What is the minimum recommended weight gain for a pregnant woman classified as obese?

    <p>20-25 pounds</p> Signup and view all the answers

    How many extra calories per day are typically needed during the 2nd and 3rd trimesters of pregnancy?

    <p>500 calories</p> Signup and view all the answers

    Which two nutrients exhibit increased absorption rates during pregnancy due to higher demands?

    <p>Iron and Folic Acid</p> Signup and view all the answers

    What is the main purpose of taking folate during pregnancy?

    <p>To decrease the risk of birth defects</p> Signup and view all the answers

    How does the placenta contribute to pregnancy?

    <p>Supplying nutrients and oxygen to the fetus</p> Signup and view all the answers

    What is the critical period in pregnancy referring to?

    <p>A time of rapid fetal development where teratogens can cause birth defects</p> Signup and view all the answers

    Why is it important for a pregnant woman to gain weight within healthy ranges?

    <p>To support maternal and fetal health</p> Signup and view all the answers

    Which nutrient plays a crucial role in red blood cell synthesis and requires higher amounts during pregnancy?

    <p>Iron</p> Signup and view all the answers

    What is the impact of alcohol consumption during pregnancy on the developing fetus?

    <p>It can lead to fetal alcohol spectrum disorders (FASDs)</p> Signup and view all the answers

    What is the recommended approach to consuming alcohol during pregnancy according to the Surgeon General?

    <p>No alcohol consumption is safe during pregnancy</p> Signup and view all the answers

    How does nutritional inadequacy affect milk production in lactating women?

    <p>'Dries up' milk production completely</p> Signup and view all the answers

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