TNCC ENA 9th Edition Pre Test Questions
with Correct Answers
Which of the following is considered a cornerstone of a high-performance trauma team?
A. Individual goals
B. Use of TeamSTEPPS
C. Identification of a single decision maker
D. Effective communication D. Effective communication
Rationale: Skilled communication, cooperation, and coordination are the cornerstones of high-
performance and high-quality trauma care.
In a patient with severe traumatic brain injury, hypocapnia causes which condition?
A. Respiratory acidosis
B. Metabolic acidosis
C. Neurogenic shock
D. Cerebral vasoconstriction D. Cerebral vasoconstriction
, Rationale: Hypocapnia, or low levels or carbon dioxide, will cause vasoconstriction, especially
in the cerebral vasculature. A - hypercapnia from inadequate ventilation causes respiratory
acidosis. B - metabolic acidosis results from tissue hypoperfusion and oxygen deficit. C -
neurogenic shock is associated with spinal cord injuries and results in generalized vasodilation.
Which of following accurately describes ventilation principles associated with use of bag-mask
device for an adult?
A. Compress the bag-mask device at a rate of one breath every 6 seconds
B. Delivers 100% oxygen
C. Squeeze the bag-mask device completely for each breath
D. Maintain the oxygen saturation levels between 92% and 94% A. Compress the bag-
mask device at a rate of one breath every 6 seconds
Rationale: If breathing is ineffective for an adult, assist ventilations by compressing the bag-
mask device at a rate of one breath every 6 seconds.
with Correct Answers
Which of the following is considered a cornerstone of a high-performance trauma team?
A. Individual goals
B. Use of TeamSTEPPS
C. Identification of a single decision maker
D. Effective communication D. Effective communication
Rationale: Skilled communication, cooperation, and coordination are the cornerstones of high-
performance and high-quality trauma care.
In a patient with severe traumatic brain injury, hypocapnia causes which condition?
A. Respiratory acidosis
B. Metabolic acidosis
C. Neurogenic shock
D. Cerebral vasoconstriction D. Cerebral vasoconstriction
, Rationale: Hypocapnia, or low levels or carbon dioxide, will cause vasoconstriction, especially
in the cerebral vasculature. A - hypercapnia from inadequate ventilation causes respiratory
acidosis. B - metabolic acidosis results from tissue hypoperfusion and oxygen deficit. C -
neurogenic shock is associated with spinal cord injuries and results in generalized vasodilation.
Which of following accurately describes ventilation principles associated with use of bag-mask
device for an adult?
A. Compress the bag-mask device at a rate of one breath every 6 seconds
B. Delivers 100% oxygen
C. Squeeze the bag-mask device completely for each breath
D. Maintain the oxygen saturation levels between 92% and 94% A. Compress the bag-
mask device at a rate of one breath every 6 seconds
Rationale: If breathing is ineffective for an adult, assist ventilations by compressing the bag-
mask device at a rate of one breath every 6 seconds.
