2025 NBCRNA TEST QUESTIONS AND
ANSWERS
Why is CSF acidic compared to plasma? - ANSWER This is due to lower
protein content in CSF. Lack of protein lowers the ability to buffer H+ ions,
leading to a higher level of dissolved CO2 and a lower pH
Compared to blood, the CSF has less of:
- ANSWER Glucose and Potassium
Awareness and recall are avoided at ___ to ___ MAC - ANSWER 0.4 to 0.5
Nitric oxide significantly inhibits ________ amplitude. It's because of this that
it's avoided when ______ monitoring is utilized. - ANSWER Signal
SSEP
The ideal anesthetic technique used for SSEP monitoring is ______ with a
combination of _________ and _______. - ANSWER TIVA
Propofol
Opioids
Damage to the sciatic nerve is associated with foot drop? T/F
Common peroneal is associated with such a pattern of injury? - ANSWER True
Failure to evert the foot
What test result confirms that an affected patient has TB? - ANSWER A
Mantoux test read at 50 hrs shows 15mm induration
A noncompetitive antagonist is irreversibly attached to its receptor. Its effect
cannot be overcome by increasing the level of an agonist. ________ is a
ANSWERS
Why is CSF acidic compared to plasma? - ANSWER This is due to lower
protein content in CSF. Lack of protein lowers the ability to buffer H+ ions,
leading to a higher level of dissolved CO2 and a lower pH
Compared to blood, the CSF has less of:
- ANSWER Glucose and Potassium
Awareness and recall are avoided at ___ to ___ MAC - ANSWER 0.4 to 0.5
Nitric oxide significantly inhibits ________ amplitude. It's because of this that
it's avoided when ______ monitoring is utilized. - ANSWER Signal
SSEP
The ideal anesthetic technique used for SSEP monitoring is ______ with a
combination of _________ and _______. - ANSWER TIVA
Propofol
Opioids
Damage to the sciatic nerve is associated with foot drop? T/F
Common peroneal is associated with such a pattern of injury? - ANSWER True
Failure to evert the foot
What test result confirms that an affected patient has TB? - ANSWER A
Mantoux test read at 50 hrs shows 15mm induration
A noncompetitive antagonist is irreversibly attached to its receptor. Its effect
cannot be overcome by increasing the level of an agonist. ________ is a