NUR424 Chapter 69 Prep-U

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Which of the following is the most common cause of acute encephalitis in the United States?

Viral infection is the most common cause of encephalitis. Herpes Simplex Virus is the most common cause of acute encephalitis in the United States.

A client with Guillain-Barré syndrome has paralysis affecting the respiratory muscles and requires mechanical ventilation. When the client asks the nurse about the paralysis, how should the nurse respond?

The nurse should inform the client that the paralysis that accompanies Guillain-Barré syndrome is only temporary. Return of motor function begins proximally and extends distally in the legs

A client who recently experienced a stroke tells the nurse that he has double vision. Which nursing intervention is the most appropriate?

Patching one eye at a time relieves diplopia (double vision). Closing the eyes and making the room dark aren't the most appropriate options because they deprive the client of sensory input. Artificial tears relieve eye dryness but don't treat diplopia.

A client is diagnosed with meningococcal meningitis. The 22-year-old client shares an apartment with one other person. What would the nurse expect as appropriate care for the client's roommate?

People in close contact with clients who have meningococcal meningitis should be treated with antimicrobial chemoprophylaxis, ideally within 24 hours after exposure.

Which of the following is the primary vector of arthropod-borne virus encephalitis in North America?

The primary vector in North America related to anthropoid-borne virus encephalitis is a mosquito. Birds are associated with the West Nile virus. Spiders and ticks are not vectors for arthropod-borne virus encephalitis.

A 45-year-old client is admitted to the facility with excruciating paroxysmal facial pain. He reports that the episodes occur most often after feeling cold drafts and drinking cold beverages. Based on these findings, the nurse determines that the client is most likely suffering from which neurologic disorder?

Trigeminal neuralgia, a painful disorder of one or more branches of cranial nerve V (trigeminal), produces paroxysmal attacks of excruciating facial pain. Attacks are precipitated by stimulation of a trigger zone on the face.

Which of the following nursing interventions is appropriate for a patient with double vision in the right eye due to MS?

An eye patch to the affected eye would help the patient with double vision see more clearly, thus promoting safety.

Bell's palsy is a disorder of which cranial nerve?

Bell's palsy is characterized by facial dysfunction, weakness, and paralysis. Trigeminal neuralgia, a disorder of the trigeminal nerve, causes facial pain. Ménière's syndrome is a disorder of the vestibulocochlear nerve. Guillain-Barré syndrome is a disorder of the vagus nerve.

Which of the following is a rare, transmissible, progressive fatal disease of the CNS characterized by spongiform degeneration of the gray matter of the brain?

Creutzfeldt-Jakob disease causes severe dementia and myoclonus. Multiple sclerosis is a chronic, degenerative, progressive disease of the CNS characterized by the occurrence of small patches of demyelination in the brain and spinal cord.

Which of the following tests confirms the diagnosis of myasthenia gravis (MG)?

Edrophonium chloride (Tensilon) is an acetylcholinesterase inhibitor that stops the breakdown of acetylcholine. The drug is used because it has a rapid onset of 30 seconds and a short duration of 5 minutes.

The nurse is assessing a client with meningitis. Which of the following signs would the nurse expect to observe?

Headache and fever are the initial symptoms of meningitis. Nuchal rigidity can be an early sign. Photophobia is also a well-recognized sign in meningitis.

Which is a chronic, degenerative, progressive disease of the central nervous system characterized by the occurrence of demyelination in the brain and spinal cord?

Multiple sclerosis (MS), the cause of MS is not known and the disease affects twice as many women as men.

The nurse is caring for a client admitted with a diagnosis of septic meningitis. The nurse is aware that this infection is caused by which of the following?

Septic meningitis is caused by bacteria. In aseptic meningitis, the cause is viral or secondary to lymphoma, leukemia, or human immunodeficiency virus.

Which drug should be available to counteract the effect of Tensilon?

Atropine should be available to control the side effects of Tensilon. Prednisone, Imuran, and Mestinon are not used to counteract these effects.

A client with a tentative diagnosis of myasthenia gravis is admitted for a diagnostic workup. Myasthenia gravis is confirmed by:

A positive edrophonium test confirms the diagnosis of myasthenia gravis. After edrophonium administration, most clients with myasthenia gravis show markedly improved muscle tone.

Glenn Middleton, a 67-year-old firefighter with a neurologic deficit, is informed that he will be transferred to a nursing home because his son is unable to care for him at home. While receiving a bed bath, the patient yells at the nurse, "You don't know what you are doing!" What is the best reaction by the nurse?

Anger is a defense or response to loss; the nurse should consider that the patient is using displacement to deal with emotional pain. Accept the patient's behavior and do not take it personally.

A client arrives at the emergency department complaining of extreme muscle weakness after minimal effort. The physician suspects myasthenia gravis. Which drug will be used to test for this disease?

Edrophonium temporarily blocks the breakdown of acetylcholine, thus increasing acetylcholine level in the blood, and relieves weakness. Because of its short duration of action, edrophonium is the drug of choice for diagnosing myasthenia gravis.

Which well-recognized sign of meningitis is exhibited when the patient's neck is flexed and flexion of the knees and hips is produced?

A positive Brudzinski sign occurs when the patient's neck is flexed (after ruling out cervical trauma or injury), flexion of the knees and hips is produced.

Bell's palsy is a paralysis of which of the following cranial nerves?

Bell's palsy (facial paralysis) is caused by unilateral inflammation of the seventh cranial nerve, which results in weakness or paralysis of the facial muscles on the ipsilateral, or same side, of the affected facial nerve.

Which diagnostic test is used for early diagnosis of HSV-1 encephalitis?

Polymerase chain reaction (PCR), the PCR is the standard test for early diagnosis of HSV-1 encephalitis.


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