When T Helper Cells Are Exposed for the Second Time

question 65

Multiple Choice

When T helper cells are exposed for the second time to hapten-peptide on antigen presenting cells, they

• A) lyse cells using perforin
• B) release cytokines which attract more macrophages
• C) make antibodies
• D) kill macrophages

Understand and apply the concept of activity-based costing (ABC).

Calculate overhead rates and costs under a traditional costing system.

Calculate product costs using both traditional costing and activity-based costing systems.

Understand the impact of costing systems on product pricing decisions.