Pernicious Anemia Is Caused by a Deficiency of Intrinsic Factor

question 41

Multiple Choice

Pernicious anemia is caused by a deficiency of intrinsic factor, which is secreted by

• A) beta cells of the pancreas.
• B) parietal cells of the stomach.
• C) the gallbladder.
• D) the adrenal glands.

---

Definitions:

Average Fixed Cost

The fixed costs of production divided by the total units of output, which decreases as production increases.

Total Cost

The complete cost of production, combining both fixed and variable costs.

Total Variable Cost

Total Variable Cost is the sum of all costs that vary with the level of production, such as materials and labor directly involved in the production.

Average Fixed Costs

The total fixed costs of production divided by the quantity of output produced, which decreases as production increases.