Which one of the following is not a property of cancerous cells, whereas the remaining three are?
1. | They compete with normal cells for vital nutrients |
2. | They do not remain confined in the area of formation |
3. | They divide in an uncontrolled manner |
4. | They show contact inhibition |
Which one of the following techniques is safest for the detection of cancers:
1. Radiography (X-ray)
2. Computed tomography (CT)
3. Histopathological studies
4. Magnetic resonance imaging (MRI)
Which one of the following statements is correct?
1. | Patients, who have undergone surgery are given cannabinoids to relieve pain |
2. | Benign tumours show the property of metastasis |
3. | Heroin accelerates body functions |
4. | Malignant tumours may exhibit metastasis |