NURSING > QUESTIONS & ANSWERS > NR 508 Week 7 Quiz Part 2, Marked And Corrected.Grade A Guaranteed. (All)

NR 508 Week 7 Quiz Part 2, Marked And Corrected.Grade A Guaranteed.

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The existence of regular, deep, and rapid respirations after a severe closed head injury is indicative of neurologic injury to the Student Answer: lower midbrain. pontine area. supratentorial. cerebral area. Instructor Explanation: Central reflex hyperpnea, a sustained deep rapid but regular pattern (hyperpnea), may result from central nervous system damage or disease that involves the lower midbrain and upper pons. It is seen after increased intracranial pressure and blunt head trauma. Points Received: 2 of 2 Comments: Question 2.Question : Vomiting is associated with CNS injuries that compress which anatomic location(s)? Student Answer: Vestibular nuclei in the lower pons and medulla oblongata Floor of the third ventricle Vestibular nuclei in the midbrain Diencephalon Instructor Explanation: Vomiting is associated particularly with CNS injuries that (1) involve the vestibular nuclei (located in the lower pons and medulla oblongata) or their immediate projections, particularly when double vision (diplopia) also is present. Points Received: 2 of 2 Comments: Question 3.Question : The most critical aspect in diagnosing a seizure disorder and establishing its cause is Student Answer: computed tomography (CT) scan. cerebrospinal fluid analysis. skull x-ray films. health history. Instructor Explanation: Although the history may be supplemented with the remaining options, it remains the pivotal tool for establishing cause. Points Received: 2 of 2 Comments: Question 4.Question : Posthyperventilation apnea (PHVA) ceases and rhythmic breathing is resumed when levels of arterial Student Answer: carbon dioxide increase. carbon dioxide become normal. oxygen increase. oxygen decrease. Instructor Explanation: Rhythmic breathing returns when the PCO2 level returns to normal. Points Received: 0 of 2 Comments: Question 5.Question : What is the best prognostic indicator of recovery of consciousness or functional outcome? Student Answer: Glasgow Coma Scale Glasgow Outcome score Etiology of injury and time since onset of coma Pupillary reaction and reflective eye movements Instructor Explanation: To date there are no specific indicators. Etiology of the injury and time since onset of injury are the currently used prognostic indicators. Points Received: 2 of 2 Comments: Question 6.Question : Which disease process is infratentorial? Student Answer: Cerebellar neoplasm Encephalitis Parkinson disease Cerebral neoplasm Instructor Examples of infratentorial disease process include compression of the brainstem resulting Explanation: from hematomas, hemorrhage, and aneurysm as well as cerebellar hemorrhage, infarcts, abscesses, neoplasms, and demyelinating disorders.

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