With a Budget of $200 Million,the Government Can Choose to Purchase

question 38

Multiple Choice

With a budget of $200 million,the government can choose to purchase 4 helicopters or repair 200 km of highway. FIGURE 1-1
-Refer to Figure 1-1.For the government,the opportunity cost of one kilometre of highway repair is

• A)1 search and rescue helicopter.
• B)1/2 of a search and rescue helicopter.
• C)1/10 of a search and rescue helicopter.
• D)1/50 of a search and rescue helicopter.
• E)1/100 of a search and rescue helicopter.

Understand the concept of primary and secondary immune responses, including memory cell function.

Describe the mechanisms of immunological tolerance and the implications of its failure.

Identify methods and principles of vaccination and immunization.

Recognize the immune system’s role in organ transplantation and the concept of MHC compatibility.