ATI RN
Questions to Ask About Neurological System Questions
Question 1 of 5
What does an abnormal finding in the assessment of cranial nerve VII (Facial nerve) indicate?
Correct Answer: A
Rationale: Facial asymmetry or difficulty with facial expressions indicates dysfunction of cranial nerve VII (Facial nerve). Clear facial movements, normal taste sensation, and equal pupils are normal findings.
Question 2 of 5
When assessing a patient's level of consciousness, which response would indicate a decreased level of consciousness?
Correct Answer: A
Rationale: A drowsy patient who can be easily aroused indicates a decreased level of consciousness. Alertness, quick responses, and full wakefulness are normal findings.
Question 3 of 5
If a patient displays a positive Babinski sign, the nurse should:
Correct Answer: A
Rationale: A positive Babinski sign in an adult indicates possible neurological dysfunction and requires documentation and further evaluation. Ignoring the finding or assessing unrelated parameters is inappropriate.
Question 4 of 5
The diameter of a motor nerve fibre is
Correct Answer: D
Rationale: Motor nerve fibers, such as alpha motor neurons, typically have a diameter of 12-20 micrometers. Larger diameters allow for faster conduction of action potentials.
Question 5 of 5
The vagus nerve
Correct Answer: B
Rationale: The vagus nerve receives motor fibers from the nucleus ambiguus, which also contributes to the accessory nerve. It innervates muscles of the pharynx and larynx.