Pathophysiology Quiz 5:

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1. Which of the following statements is TRUE about malignant brain tumors? a. Most brain tumors arise from malignant neurons. b. Primary brain tumors rarely metastasize outside the CNS. c. The bloo... d-brain barrier prevents secondary brain tumors. d. Brainstem tumors do not manifest signs until they are quite large. 2. Which of the following dietary supplements has reduced the incidence of spina bifida in recent years? a. Vitamin B6 b. Folic acid c. Vitamins A and D d. Zinc and magnesium 3. With regard to meningitis, choose the correct combination of microbe and the age group commonly affected. a. E. coli: elderly b. H. influenzae: neonate c. N. meningitides: children and youth d. S. pneumoniae: young children 4. Which statement is TRUE about amyotrophic lateral sclerosis (ALS)? a. Cognitive function remains normal. b. ALS affects primarily young women. c. Sensory neurons are damaged initially. d. Cause of death is usually a cardiac arrhythmia. 5. What is an early indicator of increased intracranial pressure? a. Papilledema b. Bilateral fixed dilated pupils c. Decreasing responsiveness d. Rapid heart rate [Show More]

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