An older adult is admitted to the hospital following a closed head injury from a fall that resulted in a 5-minute period of unconsciousness. Which priority nursing assessment indicates neurological deterioration in the patient?
Polyphasia and nystagmus
Increased respiratory rate and depth.
Decreased level of consciousness and difficulty arousing upon stimulation.
Decreased pulse pressure and pupils slowly reactive and round to light.
The Correct Answer is C
Choice A reason: This is incorrect. Polyphasia and nystagmus are not signs of neurological deterioration, but rather of speech and eye disorders. Polyphasia is the excessive use of words or speech, and nystagmus is the involuntary movement of the eyes.
Choice B reason: This is incorrect. Increased respiratory rate and depth are not signs of neurological deterioration, but rather of respiratory distress or hyperventilation. They may indicate a problem with the lungs or the blood gases, not the brain.
Choice C reason: This is correct. Decreased level of consciousness and difficulty arousing upon stimulation are signs of neurological deterioration, as they indicate a decrease in the brain's ability to function and respond to stimuli. They may be caused by increased intracranial pressure, bleeding, swelling, or infection in the brain.
Choice D reason: This is incorrect. Decreased pulse pressure and pupils slowly reactive and round to light are not signs of neurological deterioration, but rather of cardiovascular or autonomic dysfunction. They may indicate a problem with the heart or the blood pressure, not the brain.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Elevating the head of the bed 20 to 30 degrees is an appropriate intervention for a patient who had a craniotomy to relieve increased intracranial pressure. It helps to reduce the venous pressure and improve the cerebral perfusion.
Choice B reason: Maintaining bright lighting in the room to assess bleeding at the surgical site is not an appropriate intervention for a patient who had a craniotomy to relieve increased intracranial pressure. It can increase the sensory stimulation and aggravate the intracranial pressure. The nurse should use dim lighting and monitor the dressing and the drainage system for signs of bleeding.
Choice C reason: Stimulating the patient every half hour to assess changes in level of consciousness is not an appropriate intervention for a patient who had a craniotomy to relieve increased intracranial pressure. It can increase the cerebral metabolic demand and worsen the intracranial pressure. The nurse should assess the level of consciousness using the Glasgow Coma Scale and avoid unnecessary stimulation.
Choice D reason: Allowing the patient to change positions frequently to maintain comfort is not an appropriate intervention for a patient who had a craniotomy to relieve increased intracranial pressure. It can increase the intrathoracic pressure and affect the cerebral blood flow. The nurse should limit the patient's movement and avoid extreme flexion, extension, or rotation of the head and neck.
Correct Answer is B
Explanation
Choice A reason: This is incorrect. After the age of 60, the plasma volume decreases and there is a decreased ability to fight infections. The decrease in plasma volume reduces the blood flow and oxygen delivery to the tissues, which impairs the immune function.
Choice B reason: This is correct. Healthy bone marrow function decreases with aging, which lowers the immune response to infection. The bone marrow produces fewer white blood cells, which are essential for fighting infections. The older adult also has a reduced response to vaccines, which makes them more susceptible to infections.
Choice C reason: This is incorrect. Older adults have an underactive antibody response to vaccines. This means that they do not produce enough antibodies to protect themselves from the pathogens that the vaccine is supposed to prevent.
Choice D reason: This is incorrect. An older person's blood is more prone to clotting, but this does not affect the infection-fighting cells. The infection-fighting cells can still travel through the blood vessels and reach the source of infection. However, the increased risk of clotting can lead to other complications such as stroke or heart attack.
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