Ch. 16 Alterations in Cognitive Systems, Cerebral Hemodynamics, and Motor Function Flashcards
Which of the following is NOT a basic neural system essential for the cognitive sphere? Attentional systems Memory and language systems Affective or emotive systems Sensory systems
Sensory systems
A person has a structural problem that is located within the brain tissue, and it is causing a decreased level of consciousness. Which of the following terms BEST describes this location? Infratentorial Intracerebral Extracerebral Subdural
Intracerebral
Which of the following is NOT one of the five categories of neurologic function that are classified as critical for evaluation? Level of consciousness Pattern of breathing Heart rate Eye position
Heart rate
A person is diagnosed with Cheyne-Stokes respirations (CSR). Which of the following is a TRUE statement?
Pathophysiology involves an increased ventilatory response.
There is hypocapnia and increased ventilatory stimulus.
Changes in PaO2 produce irregular breathing.
The PaCO2 level increases when overbreathing occurs.
Pathophysiology involves an increased ventilatory response
An individual experiences significant vomiting with a CNS injury. Which of the following is TRUE regarding CNS injury and vomiting?
Impinges directly on the floor of the third ventricle
Causes a decrease in intracranial pressure
Involves the vestibular nuclei
Vomiting with no nausea indicates abdominal involvement
Involves the vestibular nuclei
An individual in a coma presents with pinhole-sized pupils. Which medication would produce this size pupil? Atropine Scopolamine Opiates Amphetamines
Opiates
Which of the following is NOT a criterion when determining brain death? Unresponsive coma No spontaneous respiration Isoelectric EEG Ocular response to head turning
Ocular response to head turning
A woman has sustained a traumatic brain injury. She is able to follow simple commands and can manipulate objects. Which of the following terms BEST describes this state? Coma Vegetative Minimally conscious Locked-in syndrome
Minimally conscious
Which of the following is the BEST definition of a person with akinetic mutism?
Has severe disturbance in motivation
Can follow simple commands and manipulate objects
Is in a wakeful unconsciousness
Is unarousable and unresponsive
Has severe disturbance in motivation
A 19-year-old woman sustains a nontraumatic brain injury. Which of the following is a TRUE statement regarding prognostic indicators?
She has a 91% death rate if pupils are nonreactive at 24 hours.
She has a 95% death rate when pupillary reflexes are absent at 6 hours.
Prognosis is established later in the course versus the prognosis of traumatic brain injury.
Absence of eye opening at 24 hours predicts death or severe disability.
Absence of eye opening at 24 hours predicts death or severe disability
Which of the following is NOT a means of classifying a seizure? Clinical manifestations Site of origin Length of activity EEG correlates
Length of activity
A person experiences a unilateral, focal seizure and maintains consciousness. Which of the following is the appropriate term for this type of seizure? Generalized Partial Secondary Status epilepticus
Partial
A person is in status epilepticus. What is the greatest concern when treating these individuals? Cerebral hypoxia Aspiration Bleeding of the tongue Musculoskeletal trauma
Cerebral hypoxia
A person is having a seizure and is currently in the tonic phase. Which of the following BEST describes this phase of a seizure?
Phase of muscle contraction with increased muscle tone
Phase of alternating contraction and relaxation of muscle
Phase immediately following seizure
Phase of complete paralysis
Phase of muscle contraction with increased muscle tone
A person is describing a loss of past memories. For which of the following disorders is this a characteristic? Extinction Dysmnesia Sensory inattentiveness Nondeclarative memory
Dysmnesia