A patient is unable to taste in the 2/3 anterior of his tongue. Which cranial nerve is affected?
VII
XII
V
II
The Correct Answer is A
A. VII: The Facial nerve (VII) is responsible for taste sensation in the anterior two-thirds of the tongue. An inability to taste in this area indicates a dysfunction in this nerve.
B. XII: The Hypoglossal nerve (XII) controls tongue movements but does not involve taste sensation.
C. V: The Trigeminal nerve (V) provides sensation to the face and mouth but is not responsible for taste.
D. II: The Optic nerve (II) is involved in vision, not taste.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. False: Tobacco use and excessive alcohol consumption are well-established risk factors for oral carcinoma. They contribute significantly to the development of oral cancers.
B. True: Both tobacco products and excessive alcohol consumption are principal risk factors for oral carcinoma due to their carcinogenic properties, making this statement accurate.
Correct Answer is A
Explanation
A. Pulses: The finger pads are particularly effective for detecting the presence, strength, and regularity of pulses due to their sensitivity and the ability to apply gentle pressure.
B. Vibrations: Vibrations are best assessed with the ulnar surface of the hand rather than the finger pads.
C. Fremitus: Fremitus, or the vibrations transmitted through the chest wall, is best assessed using the palmar or ulnar surface of the hand.
D. Temperature: Temperature is more effectively assessed using the back of the hand, not the finger pads.
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