One of the biggest issues facing medicine is helping patients with chronic disea

Question

One of the biggest issues facing medicine is helping patients with chronic diseases deal with their pain. The pain needs to be monitored so the patient can perform normal tasks and help play a role in society. However, a lot of treatments can cause serious mental side effects and physical side effects. Your research team is working on non opioid medications for dealing with pain. Your medication prevents nerve cells from firing at a rapid rate causing pain. Your team is testing dosages of the drug and their influence on pain. After your team determines the best dosage, the second experiment is testing pain levels and side effects of the drug in comparison to traditional opioids.

State the dependent and independent variable in the first experiment.

State the dependent and independent variable in the second experiment.

State 3 controlled variables in both experiments

Explanation / Answer

Answer:

In the first experiment, dosage is the independent variable because it is not dependent on any other factor and it is the known factor. Influence on pain measured at various levels is the dependent variable because it will depend on the dosage of the drug and is not known at the start of the experiment.

For the same reasons, in the second experiment, dosage of various opioids is the independent variable and pain levels and side effects are the dependent variables.

Controlled variables are ones that are constant in an experiment. In both experiments, the following can serve as controlled variables:

1. Placebos used instead of actual drug.

2. Patients not suffering from any chronic disease.

3. Patients suffering from specific chronic diseases.

4. Age of patients.

5. Dose of the drug.

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