A client has dysfunction of the cochlear division of the vestibulocochlear nerve (cranial nerve VIII). The nurse should determine that the client is adequately adapting to this problem if he or she states a plan to obtain which item?
A pulse oximeter
A hearing aid
Eyeglasses
A bath thermometer
The Correct Answer is B
A. A pulse oximeter is used to measure oxygen saturation and is not relevant to cochlear dysfunction.
B. A hearing aid is appropriate for someone with cochlear dysfunction as it can help amplify sound and improve hearing, indicating the client is adapting to the hearing loss.
C. Eyeglasses are used for vision problems and do not relate to the function of the cochlear division of the vestibulocochlear nerve.
D. A bath thermometer is used to measure water temperature and is not relevant to auditory issues.
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Correct Answer is C
Explanation
A. This would show a regular rhythm with a consistent rate (60-100 bpm) and clear P waves before each QRS complex, which is not present in asystole.
B. This indicates a slow heart rate (below 60 bpm) but would still display P waves and QRS complexes; asystole shows no electrical activity.
C. This is the correct interpretation as it represents a flatline on the ECG, indicating no electrical activity in the heart.
D. This would show a rapid heart rate (above 100 bpm) with present P waves, which is not the case in asystole.
Correct Answer is A
Explanation
A. Cranial nerve VII (facial nerve) is not primarily responsible for hearing; however, it does have some sensory function in the ear region. The primary cranial nerve responsible for hearing is cranial nerve VIII (vestibulocochlear), which is not listed among the options.
B. Cranial nerve X (vagus nerve) is primarily involved in autonomic functions and does not directly relate to hearing.
C. Cranial nerve I (olfactory nerve) is responsible for the sense of smell.
D. Cranial nerve II (optic nerve) is responsible for vision.