Taste in the 1/3 posterior of your tongue is given by:
CNV
CNX
CNIX
CN VII
The Correct Answer is C
A. The trigeminal nerve (CN V) is primarily responsible for sensory information from the face and motor control of the muscles of mastication (chewing). It does not carry taste sensations. Instead, it is involved in sensation (e.g., touch, pain, temperature) of the face and mouth, but not taste.
B. The vagus nerve (CN X) has various functions, including parasympathetic control of the heart, lungs, and digestive tract, and sensory and motor functions in the throat and voice box. It does contribute to taste sensation in the region of the pharynx and the epiglottis, but it is not primarily responsible for the taste sensation on the posterior third of the tongue.
C. The glossopharyngeal nerve (CN IX) is responsible for taste sensation on the posterior one-third of the tongue. It also contributes to the sensory innervation of the pharynx and helps in the regulation of saliva production. This nerve is specifically involved in the taste perception in the back third of the tongue.
D. The facial nerve (CN VII) provides taste sensation to the anterior two-thirds of the tongue. It also controls the muscles of facial expression and contributes to the production of saliva and tears. The facial nerve does not provide taste sensation to the posterior third of the tongue.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Concentration refers to the ability to focus on a specific task or thought for a period of time. While concentration is important for cognitive functioning, it is not the specific skill being assessed when interpreting the meaning of a proverb.
B. Attention is the ability to focus and direct mental resources towards a specific task or stimulus. While attention is necessary for understanding and processing information, the task of interpreting a proverb is more related to higher-level cognitive processes rather than just the ability to maintain focus.
C. Affect refers to the emotional state or mood of a person. It involves how emotions are expressed and experienced. Assessing affect involves observing the client’s emotional responses, not their ability to interpret abstract concepts. Therefore, affect is not the focus of this assessment.
D. Abstract reasoning is the ability to understand and interpret concepts and ideas that are not directly observable or tangible. It involves thinking beyond concrete facts to understand underlying meanings, patterns, and relationships. Interpreting a proverb, which involves understanding a figurative meaning rather than a literal one, is a test of abstract reasoning. The ability to grasp the deeper meaning behind “A penny saved is a penny earned” reflects the client's capacity for abstract reasoning.
Correct Answer is D
Explanation
A. Coma is a state of profound unconsciousness where the patient cannot be awakened and does not respond to any external stimuli. The patient is completely unresponsive, with no eye opening or verbal responses.
B. Stupor is a state where the patient is almost completely unresponsive and can only be awakened by vigorous or painful stimuli. When aroused, they may only give brief, non-purposeful responses.
C. Lethargy is characterized by drowsiness and decreased alertness. The patient may fall asleep easily but can be awakened and will respond appropriately to stimuli. They might appear sluggish or tired.
D. Obtunded refers to a state where the patient has a reduced level of consciousness and responsiveness. They may be difficult to arouse, respond slowly to stimuli, and have a dulled sense of awareness. They need increased stimulation to achieve a response.
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