What are the 3 essential components of the skull?
Brain tissue, blood, and CSF
White matter, grey matter, and yellow matter
synovial fluid, CSF, and spinal fluid
WBCs, leukocytes, and plasma
The Correct Answer is A
A. The skull contains and protects three essential components: brain tissue, blood, and cerebrospinal fluid (CSF), which together maintain intracranial pressure and brain function.
B. White matter and grey matter are parts of the brain, but "yellow matter" is not a recognized term.
C. Synovial fluid is found in joints, not in the skull; spinal fluid refers to CSF but listing both is redundant.
D. WBCs, leukocytes, and plasma are components of blood, not components contained within the skull.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Decorticate posturing is characterized by arms flexed at the elbows with wrists and fingers bent inward toward the chest, indicating damage to the cerebral hemispheres or corticospinal tract.
B. Grimacing and leg movement with neck flexion describe a positive Brudzinski’s sign, related to meningeal irritation, not posturing.
C. Inability to extend the leg with hip flexion causing pain describes a positive Kernig’s sign, also related to meningeal irritation.
D. Arms extended and rigid with palms turned outward describe decerebrate posturing, indicating more severe brainstem injury.
Correct Answer is A
Explanation
A. Initiate isolation precautions — This is the first action the nurse should take. Bacterial meningitis is highly contagious (often spread via droplet transmission), and immediate isolation (droplet precautions) helps prevent spread to others.
B. Administer antibiotics after collecting cultures — This is a critical next step, but only after the client is placed in isolation to protect others.
C. Prepare for a lumbar puncture after ruling out increased ICP — While a lumbar puncture is important for diagnosis, increased ICP must be ruled out first, and this is not the immediate first action.
D. Start IV fluids — Supportive care is important, but it is not the priority over infection control measures.
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