A Student Asks Why Carbon Monoxide Causes Tissue Damage

question 22

Multiple Choice

A student asks why carbon monoxide causes tissue damage. What response by the professor is best?

• A)Competes with carbon dioxide so that it cannot be excreted
• B)Binds to hemoglobin so that it cannot carry oxygen
• C)Destroys the chemical bonds of hemoglobin so it cannot carry oxygen
• D)Removes iron from hemoglobin so it cannot carry oxygen

---

Definitions:

Average Fixed Cost

The total fixed costs of production divided by the quantity of output produced, showing the cost of fixed resources per unit of output.

Total Fixed Costs

Expenses incurred by a business that do not vary with the level of production or sales, including lease payments and salaries of permanent staff.

Total Variable Costs

The sum of all costs that vary with the level of production, including materials and labor.

Total Variable Costs

The sum of all costs that vary directly with the level of production or output.