Which of the Following Statements About the Oxyhemoglobin Dissociation Curve

question 4

Multiple Choice

Which of the following statements about the oxyhemoglobin dissociation curve is true?

• A) Increasing PaO₂ above 90 mm Hg greatly improves saturation.
• B) The curve shifts to the left with acidemia.
• C) The curve shifts to the right with hypercarbia (increased CO₂).
• D) An increase in PaO₂ causes a linear increase in SaO₂.

---

Definitions:

Cost Object

Any item for which cost is measured and assigned, such as products, services, or departments.

Plantwide Overhead Rate

A single overhead rate calculated for an entire manufacturing plant, used to allocate overhead costs to products.

Direct Labor Hours

The total hours worked by employees directly involved in the production process, used in calculating cost allocations and efficiency.

Allocation Base

A criterion or measure used for distributing or apportioning costs among various cost objects in a fair, equitable, and rational manner.