EXAM QUESTIONS AND ANSWERS
The FHR is controlled by the
A. Sympathetic nervous system
B. Sinoatrial node
C. Atrioventricular node
D. Parasympathetic nervous system
B. Sinoatrial node
How do baseline heart rates differ in premature fetuses?
A. They are often lower
B. They are often higher
C. They are less likely to have decelerations
D. They experience longer accelerations
B. They are often higher
T/F: If etiology of fetal tachycardia is secondary to extrauterine infection, FHR will
return to normal as maternal fever resolves.
True
T/F: Fetal tachycardia is a normal compensatory response to transient fetal
hypoxemia.
True
Fetal heart rate bradycardia is defined as
A. FHR <110bpm lasting 10 min or greater
B. FHR <110bpm lasting 2 min or greater
C. FHR <110bpm lasting 20 min or greater
A. FHR <110bpm lasting 10 min or greater
_______ variability warrants cesarean section delivery.
A. Minimal
B. Moderate
C. Marked
D. Absent
D. Absent
, At how many weeks gestation should FHR variability be normal in manner?
A. 24 weeks
B. 28 weeks
C. 32 weeks
D. 36 weeks
B. 28 weeks
A deceleration from 145bpm down to 100bpm lasting 12 minutes may be defined
as a
A. Prolonged deceleration
B. Variable deceleration
C. Late deceleration
D. Baseline change
D. Baseline change
Reduced respiratory gas exchange from persistent decelerations may cause a
rise in fetal PCO2, which leads first to _______ _______, then _______ _______.
A. Respiratory alkalosis; metabolic acidosis
B. Respiratory acidosis; metabolic acidosis
C. Respiratory alkalosis; metabolic alkalosis
D. Respiratory acidosis; metabolic acidosis
B. Respiratory acidosis; metabolic acidosis
Decreased intervillious exchange of oxygenated blood resulting in fetal hypoxia
is typically present in _______.
A. Variable decelerations
B. Late decelerations
C. Early decelerations
D. Accelerations
B. Late decelerations
Place the following interventions for a sinusoidal FHR in the correct order:
1. Prepare for cesarean delivery
2. Place patient in lateral position
3. Determine if pattern is related to narcotic analgesic administration