2.6 Disease, defence and treatments

Practice questions on Disease, defence and treatments

• Describe how new medicines are tested before they are made available to patients. (4 marks, Describe)
• Explain why a person who has a bacterial infection may be given antibiotics, and why antib… (4 marks, Explain)
• Explain why it is difficult to develop drugs that can be used to treat viral infections. (4 marks, Explain)
• Explain how white blood cells protect the body after a pathogen enters the bloodstream for… (4 marks, Explain)
• Describe how pathogens are spread between people. Give four different methods of transmiss… (4 marks, Describe)
• Explain how bacteria cause disease in the human body. (4 marks, Explain)
• Describe how viruses cause disease in the human body. (4 marks, Describe)
• Explain why diseases caused by fungi are more difficult to treat than diseases caused by b… (4 marks, Explain)
• Explain why a person who is infected with a pathogen may not show symptoms of disease imme… (4 marks, Explain)
• Describe how vaccination protects a person from becoming ill when they are exposed to a pa… (4 marks, Describe)
• Explain why a person who has received a blood transfusion containing antibodies against a … (4 marks, Explain)
• Explain why a person who has recovered from a bacterial infection is unlikely to become se… (4 marks, Explain)
• Explain why a vaccine made from a dead or weakened pathogen can protect a person against t… (4 marks, Explain)
• Explain why the development of antibiotic-resistant bacteria is a serious concern for huma… (4 marks, Explain)
• Explain why it is important that people complete the full course of antibiotics prescribed… (4 marks, Explain)