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Perinatal Exam - Questions And Well Detailed Answers
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Perinatal Exam - Questions And Well Detailed AnswersFetal physiology, Antenatal CTG, Intrapartum CTG, Cord Blood Gas, Errors
with Fetal Monitoring, Auscultation
The fetal heart pumps deoxygenated blood to the placenta via ? umbilical
arteries Right Ans - Two
At the placenta there is exchange of blood gases, and the placenta can thus be
compared to a ? whilst the baby is in utero Right Ans - Lung
Oxygenated blood is pumped back to the fetus via the single ? Right Ans -
Umbilical vein
Waste CO2 is transferred from fetus to mother in the ? Right Ans - Placenta
The fetus has a (higher/lower) concentration of haemoglobin than an adult
Right Ans - Higher
Oxygen is used in the metabolism of ? to produce energy Right Ans -
Glucose
Blood ? is the measure of the concentration of free (unbuffered) hydrogen
ions Right Ans - pH
? ions are toxic to the fetus Right Ans - Hydrogen
Under normal conditions a fetus satisfies majority of energy needs using ?
metabolism Right Ans - Aerobic
Refers to a low pH in the blood Right Ans - Acidaemia
Refers to a low pH in the blood and tissues Right Ans - Acidosis
Refers to a low pH in the blood which is due to the accumulation of CO2
Right Ans - Respiratory acidaemia
Refers to low oxygen tension in the blood (a low pO2) Right Ans -
Hypoxaemia
, Refers to a low oxygen level in the fetal tissues Right Ans - Hypoxia
A hormone that is a vital part of the fetal response to hypoxia, and high levels
can be seen in a baby which has compensated for hypoxia and has an
appearance of vigour at delivery Right Ans - Catecholamines
? metabolism supplements energy supplies when there is insufficient Oxygen
Right Ans - Anaerobic
The ? system could be said to 'mop up' hydrogen ions Right Ans - Buffering
A ? base deficit means that much of the available buffer has been used up
Right Ans - High
The measure which tells us how much available buffer has been used up
Right Ans - Base deficit
The accumulation of ? leads to a metabolic acidaemia Right Ans - Lactic
acid
? monitoring is used to assess fetal well-being and is a common test for high-
risk pregnancies, such as in hypertensive mothers Right Ans - Antenatal
CTG
Name the position the pregnant person should lie in for an antenatal CTG test
Right Ans - Semi-Fowlers
A reactive pattern is defined as a fetal heart rate tracing having two
accelerations within ? minutes Right Ans - 20
A fetal heart rate of any more than ? bpm should be regarded with suspicion at
any gestation Right Ans - 160
Baseline fetal heart rate is usually ?-160 bpm Right Ans - 110
Baseline fetal heart rate is usually 110-? bpm Right Ans - 160
The fluctuation of the fetal heart rate about the baseline and is considered
'normal' between 5-25 bpm Right Ans - Variability
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