Swelling damages brain tissue because:
a. It compresses blood vessels, depriving neurons of oxygen
b. It compresses neurons and damages them directly
c. It prevents Na+ influx so action potentials cannot be generated
d. It prevents neurotransmitter release at synapses
B
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A common early childhood viral infection characterized by a sudden high fever followed by a rash of tiny pink spots on the head and trunk is called ________
a. fifth disease b. roseola c. hand, foot, and mouth disease d. meningitis
The family members of a 72-year-old female state that the patient complained of a sudden, severe headache; had slurred speech; then became unresponsive. She responds to painful stimuli with decorticate posturing and has snoring respirations at a rate of 10 per minute. Her radial pulse is palpable but grossly irregular. According to her son, she also suffers from congestive heart failure,
hypertension, and diabetes. Which of the following should you do first? A) Attach the cardiac monitor. B) Manage the airway with a modified jaw-thrust maneuver. C) Check her blood sugar. D) Insert an endotracheal tube.