Take this Exam: GCSE Biology: Defences, Vaccination and Drugs | Zestly

Question 1

What is the primary difference between painkillers and antibiotics?

Accepted Answer

Painkillers treat symptoms, while antibiotics kill the bacteria causing the infection

Question 2

Which of the following drugs were originally derived from plants or fungi?

Accepted Answer

Digitalis

Question 3

In the context of clinical trials, what is the purpose of a double-blind trial?

Accepted Answer

To prevent bias by ensuring neither the patients nor the doctors know who is receiving the drug or the placebo

Question 4

What is the main goal of preclinical testing in the development of a new drug?

Answer

To test for toxicity and efficacy using cells, tissues, and live animals

Answer

To test the drug on healthy volunteers to check for side effects

Answer

To test the drug on patients with the disease to see if it works

Answer

To determine the best marketing strategy for the new medicine

Question 5

What is the role of a placebo in a clinical trial?

Answer

To provide a secondary treatment to the patient

Answer

To act as a control to compare against the effects of the real drug

Answer

To speed up the recovery process of the patient

Answer

To ensure the patient does not know they are in a trial