What does a megakaryocyte eventually become?
A) Thrombocyte
B) Eosinophil
C) Erythrocyte
D) Neutrophil
Answer: A
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Epithelial tissue that can stretch or is subjected to stress would have ________.
A. intercalated discs B. gap junctions C. basement junctions D. tight junctions E. desmosomes
A scientist develops a mouse that lacks the ability to express CCK1 receptors. Compared to a normal mouse, which of the following would be expected to be increased?
A. gastric acid secretion B. gallbladder contraction after a meal C. cytosolic Ca++ in pancreatic acinar cells D. firing of duodenal vagal afferents when food is in the lumen E. gastric emptying F. histamine release from ECL cells
Which of the following is not a feature that connective tissues have in common?
A) The presence of fibroblasts B) A calcified matrix C) The presence of collagen D) Ground substance with a gelatinous to rubbery consistency E) Very conspicuous fibers
Tell how a carcinogen can cause cancer, and describe the progression of cancer