#february2020mccqe1
A 70-year-old woman undergoes a gastrectomy for Zollinger-Ellison syndrome. Her physician informs her that she will need to take intramuscular vitamin B12 shots for the rest of her life. Absence of which of the following cell types is responsible for this vitamin replacement requirement?
(A) Chief cells
(B) G cells
(C) Goblet cells
(D) Mucous neck cells
(E) Parietal cells
A 70-year-old woman undergoes a gastrectomy for Zollinger-Ellison syndrome. Her physician informs her that she will need to take intramuscular vitamin B12 shots for the rest of her life. Absence of which of the following cell types is responsible for this vitamin replacement requirement?
(A) Chief cells
(B) G cells
(C) Goblet cells
(D) Mucous neck cells
(E) Parietal cells
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