Pick the best answer for each case. A doctor wants to look at a thin slice of a lump under a…

Pick the best answer for each case.

1. A doctor wants to look at a thin slice of a lump under a microscope.

1. A child has too many white cells in her blood, and the doctor suspects leukaemia. Which two samples are tested?

1. A tumour sits close to a healthy organ. The doctors aim radiation at it and protect the nearby tissue.

1. A patient is given drugs that kill cancer cells. He loses his hair and becomes anaemic.

1. A patient is given α-interferon to activate the immune system.