When hearing is evaluated, which cranial nerve is being tested?
VII
X
I
II
The Correct Answer is A
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.
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Correct Answer is D
Explanation
A. The severity of the condition may correlate with pain but is not a direct measure of the individual's pain experience.
B. Vital signs can change due to pain but are not specific indicators of pain intensity or presence.
C. Nonverbal behavior can provide clues about pain but is subjective and can vary greatly between individuals.
D. Self-rating of pain is considered the most reliable indicator of pain because it reflects the individual's personal experience and perception of their pain, making it the gold standard for assessing pain intensity.
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.