The nurse is caring for several patients in the Intensive Care Unit. Which of the following patients is at greatest risk of anoxic brain injury? A patient who:
was found facedown in water for unknown length of time.
has had multiple concussions in a short period of time.
was in an assault resulting in a basilar skull fracture.
suffered an epidural hematoma.
The Correct Answer is A
A. A patient found facedown in water is at high risk of anoxic brain injury due to potential prolonged oxygen deprivation, which is directly associated with lack of oxygen to the brain.
B. Multiple concussions can lead to other types of brain injury but are less associated with anoxic injury than prolonged oxygen deprivation.
C. A basilar skull fracture can cause complications such as CSF leaks but does not directly cause an anoxic brain injury.
D. An epidural hematoma may increase ICP, but with timely intervention, anoxic injury may be avoided; anoxic brain injury is more directly related to oxygen deprivation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The fifth intercostal space at the left midclavicular line is the location of the mitral valve, where murmurs associated with mitral valve disease are best auscultated.
B. The fourth intercostal space at the right sternal border is the location for assessing the tricuspid valve, not the mitral valve.
C. The third intercostal space at the left midclavicular line is not associated with loudest auscultation of the mitral valve murmur.
D. The second intercostal space at the right sternal border is where the aortic valve sounds are best heard.
Correct Answer is {"A":{"answers":"A"},"B":{"answers":"D"},"C":{"answers":"B"},"D":{"answers":"C"}}
Explanation
Macular degeneration: This condition leads to the loss of central vision due to damage to the macula, which is responsible for sharp, straight-ahead vision.
Presbyopia: A common age-related condition resulting in a gradual loss of near visual acuity as the lens becomes less flexible, making it harder to focus on close objects.
Glaucoma: Typically causes loss of peripheral vision due to increased intraocular pressure damaging the optic nerve, eventually leading to tunnel vision if untreated.
Cataracts: Causes blurry vision as the lens becomes clouded, leading to general visual disturbance that progresses over time.
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