QUESTIONS AND ANSWERS |
100% PASS
Causes of uteroplacental perfusion decrease: - ANSWER ✔✔• HTN
• Pregnancy
• DM
• Hypotension
• Excessive uterine contractions (hypertonus)
• Decreased surface area, edema, degenerative calcifications, infarcts,
infection
, FHR reflects fetal oxygenation from which extrinsic factors: -
ANSWER ✔✔• Maternal oxygenation
• Uterine blood flow
• Placental change
• Umbilical blood flow
FHR reflects oxygenation from which intrinsic factors: - ANSWER
✔✔• Fetal circulation
• Oxygenation of tissues
• FHR regulation
Fetal shunts: - ANSWER ✔✔• Ductus venosus- liver
• PFO- Right to left atria
• Ductus arteriosis- pulmonary a. to aorta
Oxygen depletion cascade: - ANSWER ✔✔• Aerobic metabolism
• Hypoxemia
• Tissue hypoxia
• Anaerobic metabolism
• Lactic acid build up