Pernicious anemia develops if there is a vitamin ________ deficiency.
A. C
B. D
C. B6
D. B12
Answer: D
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Membrane channels can be open or closed, but carriers are always "open for business."
a. True b. False Indicate whether the statement is true or false
Which of the following contains cell bodies but no synapses?
a. dorsal root ganglia b. anterior grey horns c. chain ganglia d. ciliary ganglia
Which of the following symptoms would a patient with a deficiency of parathyroid hormone be most likely to experience?
A. low plasma calcium levels and decreased muscular excitability B. low plasma calcium levels and increased muscular excitability C. high plasma calcium levels and decreased muscular excitability D. high plasma calcium levels and increased muscular excitability E. high plasma calcium levels and abnormally weak bones
Which digestive secretion is correctly matched to its function?
A. Secretin - release of hydrochloric acid B. Cholecystokinin (CCK) - release of alkaline pancreatic juices and bile C. GIP - decreased release of bile D. Gastrin - release of alkaline secretions from the pancreas