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 B

Explanation

A. Extinction refers to the phenomenon where a person fails to recognize a stimulus on one side of the body when another stimulus is presented simultaneously on the opposite side. This is often tested in cases of neurological impairment, particularly in the context of sensory neglect or loss
B. Stereognosis is the ability to identify an object by touch and proprioception without visual input. It involves recognizing the shape, size, and texture of an object solely through tactile information. Placing a coin in the patient’s hand and asking them to identify it with their eyes closed tests their ability to use tactile information to recognize objects, making stereognosis the correct term for this assessment.
C. Proprioception is the sense of the position and movement of the body and its parts. It involves awareness of body position in space, which is crucial for coordination and balance. While important, proprioception does not specifically involve identifying objects by touch alone; it is more about the awareness of body position.
D. Two-point discrimination is the ability to distinguish between two closely spaced points of contact on the skin. It tests the sensitivity of the skin to touch and is often used to assess sensory nerve function. It does not involve identifying objects by touch but rather measuring how well one can discern between two separate points of contact.

A. The patient demonstrates Flight of ideas B. demonstrates confabulation C. depressed D. demonstrates schizophrenia

Correct Answer is A

Explanation

A. Flight of ideas is characterized by a rapid and continuous flow of thoughts where the individual frequently shifts topics, often making it difficult to follow their conversation. This is commonly observed in conditions like mania or hypomania, often seen in bipolar disorder.
B. Confabulation involves fabricating or inventing stories or information to fill in gaps in memory. It is often seen in conditions affecting memory or cognition, such as Korsakoff’s syndrome or certain types of dementia.
C. Depression typically involves symptoms such as low mood, decreased energy, and lack of interest in activities, rather than rapid speech or topic shifts. The client’s accelerated pace of speech and jumping from topic to topic do not align with the characteristics of depression.
D. Schizophrenia is a broad term for a range of symptoms, including hallucinations, delusions, disorganized thinking, and impaired social functioning. While disorganized thinking can be a symptom of schizophrenia, the specific behavior described (accelerated speech and jumping topics) more specifically indicates flight of ideas, which is not exclusive to schizophrenia.

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

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Naxlex Comprehensive Predictor Exams

The nurse places a coin in the patient's hand, the patient is with eyes closed. The ability to identify an object by feeling it is defined as:

Correct Answer is B

Explanation

The nurse is admitting a client to the unit for surgery the next morning. The nurse notes that the client speaks at an accelerated pace and jumps from topic to topic no of which progresses to sensible conversation. What would the nurse document about this client?

Correct Answer is A

Explanation

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Which of the following tests would be most appropriate for the nurse to use when assessing motor function of the trigeminal nerve?