Taste in the 1/3 posterior of your tongue is given by:

CNV

CNX

CNIX

CN VII

Answer and Explanation

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.

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Correct Answer is A

Explanation

A. 3- This is the lowest possible score on the GCS and reflects no eye opening, no verbal response, and no motor response to stimuli. Score of 4-6: The patient might exhibit some responses, but these responses are still severely impaired. For example, the patient might open their eyes to pain but not respond verbally or move purposefully.
B. A GCS score in the range of 13 to 15 reflects a higher level of consciousness.
C. A GCS score of 0 is not a valid score on the scale.
D. A GCS score in the range of 9 to 12 reflects moderate impairment of consciousness.

A. perseveration B. flight of ideas C. derailment D. confabulation E. negative Babinski reflex

Correct Answer is D

Explanation

A. Perseveration refers to the repetition of a particular response or behavior despite the cessation of the stimulus that prompted it. This often occurs in individuals with neurological disorders, where they keep repeating the same word, phrase, or action.
B. Flight of ideas is a rapid flow of thoughts where the person moves quickly from one topic to another, often with tangential or disconnected ideas. It is commonly observed in conditions such as mania or hypomania.
C. Derailment, also known as loosening of associations, is a thought disorder where a person’s speech goes off-topic and seems disorganized. The connections between ideas are loose or fragmented, making the conversation difficult to follow.
D. Confabulation is a memory disturbance where a person creates false memories or fabricated details to fill in gaps in their memory. The individual does not intentionally deceive but genuinely believes their fabricated information is true.

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Taste in the 1/3 posterior of your tongue is given by:

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