immunity types

Question 1

Describe the difference between active and passive immunity.

Answer 1

Active involves memory cells, passive does not;

2. Active involves production of antibody by plasma cells / memory cells;
3. Passive involves antibody introduced into body from outside / named source;
4. Active long term, because antibody produced in response to antigen;
5. Passive short term, because antibody (given) is broken down;
6. Active (can) take time to develop / work, passive fast acting.

Question 2

A zookeeper was bitten by a snake. The bite contained venom which is a poison.
He was given an injection of antivenom. This antivenom contained antibodies against this snake venom.

The antivenom did not give the zookeeper lasting protection against this snake venom. Explain why.

Answer 2

Zookeeper is not producing antibodies/passive immunity;

No memory cells made;