BIOL 404-Exam 4-Reproduction 21

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BIOL 404-Exam 4-Reproduction 21
2013-04-28 15:21:44
BIOL 404 Exam Reproduction 21

BIOL 404-Exam 4-Reproduction 21
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  1. What action does estrogen, progesterone, prolactin and human placental prolactin cause all together?
    Development of glandular breast tissue
  2. What hormone causes the erythrocyte volume to increase during pregnancy?
  3. Why does the hematocrit decrease very slightly during pregnancy?
    The plasma volume increases slightly more than the RBC volume
  4. What causes the plasma volume to increase during pregnancy?
    Retention of salt and water, via aldosterone, vasopressin and estrogen
  5. What happens to the bones during pregnancy?
    Bone turn over
  6. What hormones promote bone turnover during pregnancy?
    parathyroid hormone and 1,25-dihydroxyvitamin D
  7. What action do parathyroid hormone and 1,25-dihydroxyvitamin D have together during pregnancy?
    Increased bone turnover
  8. What is the average increase in body weight during pregnancy?
    12.5 kg
  9. How much of the increased body weight during pregnancy is water?
  10. What happens to cardiac output during pregnancy?
  11. What happens to total peripheral resistance during pregnancy?
  12. What happens to mean aterial pressure during pregnancy?
    It stays the same
  13. Why does mean arterial pressure stay the same during pregnancy when cardiac output increases?
    The total peripheral resistance decreases
  14. What metabolic activities increase during pregnancy?
    • Gluconeogenisis
    • FA mobilization
    • Gluconeogenisis
  15. Why are pregnant women hyporesponsive to insulin?
    placental lactogen and cortiol secretion
  16. What do placental lactogen and cortisol secretion cause together during pregnancy?
    Hyposensitivity to insulin
  17. what time period are appetite and thirst most increased during pregnancy?
    The first trimester
  18. What is parturition?
  19. What is another name for childbirth?
  20. What is the term of loss of amniotic fluid?
    Water breaking
  21. What two things move the baby out?
    • Uterine contractions
    • Abdominal contractions
  22. What general type of cues cause the positive feedback that induces labor?
    • neural
    • chemical
  23. What is major stimulus for labor to begin?
    Cervical stretch from the fetus's head pushing downward
  24. Stretch of the cervix provides positive feedback to what organs?
    • Uterus
    • Hypothalamus