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_____ are abnormal FHR rhythms associated with disordered impulse formation, conduction, or
both.
A. Arrhythmias
B. Supraventricular tachycardias
C. Dysrhythmias - CORRECT ANSWER C. Dysrhythmias
_____ are patterns of abnormal FHR associated with variability in R-to-R intervals, but with
normal P-waves preceding normal QRS complexes.
A. Arrhythmias
B. Complete heart blocks
C. Dysrhythmias - CORRECT ANSWER A. Arrhythmias
_____ cord blood sampling is predictive of uteroplacental function.
A. Arterial
B. Venous
C. Maternal - CORRECT ANSWER B. Venous
_____ denotes the ability of cardiac cells to conduct electrical impulses from one cell to another.
A. Automaticity
B. Excitability
C. Conductivity - CORRECT ANSWER C. Conductivity
_____ denotes the readiness of cardiac cells to receive and respond to electrical stimuli.
A. Automaticity
B. Excitability
C. Conductivity - CORRECT ANSWER B. Excitability
_____ denotes the spontaneous, rhythmic depolarization of cardiac cells.
A. Automaticity
B. Excitability
C. Conductivity - CORRECT ANSWER A. Automaticity
_______ _______ occurs when the HCO3 concentration is higher than normal.
A. Base deficit
B. Base excess
C. Metabolic acidosis - CORRECT ANSWER B. Base excess
,_______ _______ occurs when the HCO3 concentration is lower than normal.
A. Base deficit
B. Base excess
C. Metabolic acidosis - CORRECT ANSWER A. Base deficit
_______ _______ occurs when there is high PCO2 with normal bicarbonate levels.
A. Metabolic acidosis
B. Respiratory acidosis
C. Metabolic alkalosis - CORRECT ANSWER B. Respiratory acidosis
_______ _______ occurs when there is low bicarbonate (base excess) in the presence of
normal pressure of carbon dioxide (PCO2) values.
A. Metabolic acidosis
B. Respiratory acidosis
C. Metabolic alkalosis - CORRECT ANSWER A. Metabolic acidosis
_______ are protective stretch receptors located in the aortic arch and the carotid sinuses at
the bifurcation of the external and internal carotid arteries.
A. Baroreceptors
B. Chemoreceptors
C. Arteries - CORRECT ANSWER A. Baroreceptors
_______ decelerations occur with greater than or equal to 50% of contractions.
A. Recurrent
B. Intermittent
C. Repetitive - CORRECT ANSWER A. Recurrent
_______ decelerations occur with less than 50% of contractions.
A. Recurrent
B. Intermittent
C. Repetitive - CORRECT ANSWER B. Intermittent
_______ denotes a decrease in oxygen content of the fetal blood.
A. Hypercapnia
B. Hypoxia
C. Hypoxemia - CORRECT ANSWER C. Hypoxemia
_______ denotes a decrease in oxygenation of the fetal tissues.
A. Hypercapnia
B. Hypoxia
C. Hypoxemia - CORRECT ANSWER B. Hypoxia
,_______ denotes an increase in carbon dioxide in the fetal blood.
A. Hypercapnia
B. Hypoxia
C. Hypoxemia - CORRECT ANSWER A. Hypercapnia
_______ denotes an increase in hydrogen ions in the fetal blood.
A. Acidosis
B. Acidemia
C. Hypercapnia - CORRECT ANSWER B. Acidemia
_______ denotes an increase in hydrogen ions in the fetal tissues.
A. Acidosis
B. Acidemia
C. Hypercapnia - CORRECT ANSWER A. Acidosis
_______ FHR patterns are those associated with uterine contractions.
A. Periodic
B. Episodic
C. Recurrent
D. Irregular - CORRECT ANSWER A. Periodic
_______ FHR patterns are those that are not associated with uterine contractions.
A. Periodic
B. Episodic
C. Recurrent
D. Irregular - CORRECT ANSWER B. Episodic
_______ is defined as the energy-consuming process of metabolism. - CORRECT ANSWER
Anabolism
_______ is defined as the energy-releasing process of metabolism. - CORRECT ANSWER
Catabolism
_______ primarily function(s) to regulate respiratory activity and control circulation by
responding to changes in arterial PO2, PCO2, and acid-base balance.
A. Baroreceptors
B. Chemoreceptors
C. Cardioregulatory center - CORRECT ANSWER B. Chemoreceptors
_______ represents increased sympathetic or decreased parasympathetic autonomic tone.
A. Bradycardia
B. Tachycardia - CORRECT ANSWER B. Tachycardia
, _______ respond to increases in fetal arterial blood pressure by detecting the amount of stretch
and sending impulses via the vagus nerve to the midbrain, decreasing FHR, CO, and BP.
A. Baroreceptors
B. Chemoreceptors
C. Veins - CORRECT ANSWER A. Baroreceptors
_______ variability warrants cesarean section delivery.
A. Minimal