The Nurse Is Explaining the Difference Between Active and Passive

The nurse is explaining the difference between active and passive immunity to the student nurse. Which of the following statements accurately describes a characteristic of the process of immunity?

A) Active immunity is produced when the immunoglobulins of one person are transferred to another.
B) Passive immunity can be obtained by injection of exogenous immunoglobulins.
C) Active immunity can be transferred from mothers to infants via colostrum or the placenta.
D) Passive immunity is acquired when a person's own immune system generates the immune response.