*NURSING > EXAM > Relias - Fetal Heart Monitoring | Latest Questions With Complete Grade A Answers ( Updated 2024 ) (All)

Relias - Fetal Heart Monitoring | Latest Questions With Complete Grade A Answers ( Updated 2024 )

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1. uterine blood supply Answer: - uterine arteries deliver oxygenated blood to spiral arteries which bring oxygen rich blood to intervillous space of placenta that has fetal capillaries - fetal c... apillaries carry the O2 rich blood to umbilical VEIN that goes to fetus -in contrast, the umbilical ARTERIES return waste productsto that intervillousspacethat go into mother's venous system 2. Potential issuesthat negatively affect fetal oxygenation Answer: *Maternal Oxygenation:* asthma, hyper- or hypo- ventilation *Maternal Circulation:* decreased maternal cardiac output, hypotension, decreasedHgb *Placental O2 and CO2 Exchange:* postterm, abruption, HTN, hypotension, uterine tachysystole *Fetal circulation:* cord compression or occlusion 3. Fetal hypoxemia Answer: - can occur d/t reduced fetal O2 reserves, excessive uterineactivity, or reduced uteroplacental blood flow - worsening fetal hypoxemia can lead to abnormal FHR patterns, mostly minimal orabsent variability from acidemia 4. (1) hypoxemia vs. (2) hypoxia Answer: 1 - reduce O2 in blood 2 - reduced O2 delivery at tissue level 5. Fetal anaerobic metabolism Answer: - occurs when long term O2 delivery is insufficientto meet cellular needs of tissues - results in production of lactic acid and other noncarbonic acids - ACIDOSIS is the presence of excessive acids in tissue [Show More]

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