Which of the following is not a function of the neuroglia?
A) support
B) memory
C) secretion of cerebrospinal fluid
D) maintenance of blood-brain barrier
E) phagocytosis
Answer: B
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Lymph flowing from the afferent lymphatic vessel will travel next to which structure in the figure?
a) A b) B c) C d) D e) E
Tissue fluid is ______ and lymph is ______
A) forced out of blood plasma and generally lacking in proteins; absorbed into lymph capillaries B) forced out of lymph vessels; absorbed into lymph vessels C) rich in proteins; rich in proteins and foreign particles D) forced out of blood plasma; absorbed into blood capillaries
Which of the following does not characterize diabetes mellitus?
a. increased glucose utilization due to excessive glucose availability. b. polyuria due to the osmotic effect of glucose in the urine. c. acidosis due to the ketosis accompanying abnormal fat metabolism. d. polydipsia due to dehydration. e. hyperglycemia due to reduced glucose entry into the cells and increased hepatic output of glucose.
Alex went to the dentist to get a cavity filled. The dentist used an anesthetic to numb the teeth prior to drilling. Which nerve likely was anesthetized?
a. CN IV (trochlear) b. CN V (trigeminal) c. CN VII (facial) d. CN IX (glossopharyngeal)