Page 410 - Saunders Comprehensive Review For NCLEX-RN
P. 410

neurological sign that is found when a client exhibits a loss of balance when closing
               the eyes. This may occur with cerebellar ataxia, loss of proprioception, and loss of
               vestibular function. A lack of normal sense of position coupled with an inability to
               return extended fingers to a point of reference is a finding that indicates a problem
               with coordination. A positive gaze nystagmus evaluation results in an involuntary
               rhythmic, rapid twitching of the eyeballs. A positive Babinski’s test results in
               dorsiflexion of the great toe with fanning of the other toes; if this occurs in anyone
               older than 2 years it indicates the presence of central nervous system disease.
                  Test-Taking Strategy: Note the subject, Romberg’s sign. You can easily answer
               this question if you can recall that the client’s balance is tested in this test.
                  Level of Cognitive Ability: Analyzing
                  Client Needs: Physiological Integrity
                  Integrated Process: Nursing Process—Assessment
                  Content Area: Health Assessment/Physical Exam: Neurological
                  Health Problem: N/A
                  Priority Concepts: Clinical Judgment; Mobility
                  Reference: Ignatavicius, Workman, Rebar (2018), p. 850.


                    92. Answer: 1


                  Rationale: Cheyne-Stokes respirations are rhythmic respirations with periods of
               apnea and can indicate a metabolic dysfunction in the cerebral hemisphere or basal
               ganglia. Neurogenic hyperventilation is a regular, rapid and deep, sustained
               respiration that can indicate a dysfunction in the low midbrain and middle pons.
               Ataxic respirations are totally irregular in rhythm and depth and indicate a
               dysfunction in the medulla. Apneustic respirations are irregular respirations with
               pauses at the end of inspiration and expiration and can indicate a dysfunction in the
               middle or caudal pons.
                  Test-Taking Strategy: Focus on the subject, the characteristics of Cheyne-Stokes
               respirations. Recalling that periods of apnea occur with this type of respiration will
               help direct you to the correct answer.
                  Level of Cognitive Ability: Applying
                  Client Needs: Physiological Integrity
                  Integrated Process: Nursing Process—Assessment
                  Content Area: Health Assessment/Physical Exam: Thorax and Lungs
                  Health Problem: N/A
                  Priority Concepts: Clinical Judgment; Gas Exchange
                  Reference: Lewis et al. (2017), p. 1324.


                    93. Answer: 3

                  Rationale: A conductive hearing loss occurs as a result of a physical obstruction to
               the transmission of sound waves. A sensorineural hearing loss occurs as a result of a
               pathological process in the inner ear, a defect in cranial nerve VIII, or a defect of the
               sensory fibers that lead to the cerebral cortex.
                  Test-Taking Strategy: Focus on the subject, a conductive hearing loss. Noting the
               relationship of the word conductive in the question and transmission in the correct



                                                          410
   405   406   407   408   409   410   411   412   413   414   415