Brian, 22, has a right-sided closed head injury and is unconscious. Which position would be best for him?
Flat with a small pillow under the head
Head of the bed elevated 20 to 30 degrees
Right lateral decubitus position
Supine, with the head turned to the left.
The Correct Answer is B
A. This position can lead to increased intracranial pressure (ICP) and is not recommended for patients with head injuries.
B. Elevating the head of the bed helps promote venous drainage from the brain, reducing intracranial pressure.
C. This position is not typically used for patients with head injuries, as it may not provide optimal cerebral perfusion.
D. This position can compromise venous drainage from the brain and is not recommended for patients with head injuries.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. This mechanism is more relevant in conditions like pancreatitis or tissue injury involving enzyme release, not specifically in traumatic inflammation.
B. Inflammation leads to increased vascular permeability and fluid accumulation (edema), which can compress nerve endings and cause pain.
C. Lysis refers to the breakdown of cells, which may release heat, but this is not typically a significant factor in localized inflammation from trauma.
D. Acidic waste accumulation occurs in cell death processes like necrosis, but it's not the primary mechanism causing pain in traumatic inflammation.
Correct Answer is A
Explanation
A. B lymphocytes, also known as B cells, are responsible for generating sensitized lymphocytes (memory cells) and antibodies (immunoglobulins).
B. Suppressor T cells (T regulatory cells) are involved in modulating the immune response, but they do not generate sensitized lymphocytes or antibodies.
C. T cells play various roles in the immune response, including cell-mediated immunity, but they are not primarily responsible for generating antibodies.
D. Hematopoietic stem cells are multipotent stem cells that give rise to all blood cells, including B and T lymphocytes, but they do not directly generate sensitized lymphocytes or antibodies.
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