MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Clinical Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Batch of cells labeled as A: In the hypoxic condition, the amount of dosage required is 3 Gy but in oxygenic condition, the amount of dosage needed is 2.
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| A. | nFrom the above information, what conclusions can be drawn? |
| B. | Batch A is not cancerous |
| C. | Batch B has a higher OER |
| D. | Batch A has a higher OER |
| E. | Batch B is cancerous |
| Answer» C. Batch B has a higher OER | |
| 2. |
Since there is a tumour, we can ensure that there will be oxygen present. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What role does oxygen play? |
| A. | It causes a damage to the DNA |
| B. | It oxygenates the cells that have undergone necrosis |
| C. | It regulates the work of free radicals |
| D. | It reduces the tumour size |
| Answer» D. It reduces the tumour size | |
| 4. |
There are two cells, one with OER as 2.5 and other as 7. Which cell is more sensitive to radiation? |
| A. | The cell with OER 2.5 |
| B. | The Cell with OER 7 |
| C. | Both the cells |
| D. | Insufficient data |
| Answer» B. The Cell with OER 7 | |
| 5. |
What is the oxygen effect? |
| A. | Detrimental effect of oxygen in presence of therapeutic radiations |
| B. | A positive effect of oxygen in absence of therapeutic radiations |
| C. | Enhancement effect of oxygen in presence of therapeutic radiation |
| D. | Presence of oxygen during radiation treatment |
| Answer» D. Presence of oxygen during radiation treatment | |
| 6. |
What radiations occur when the electrons are used in radio therapy? |
| A. | Ionizing Radiations |
| B. | Gamma Rays |
| C. | Bremsstrahlung Radiation |
| D. | Infrared Rays |
| Answer» D. Infrared Rays | |
| 7. |
When radiation therapy is done to reduce the effect of cancer, it is called as ______ |
| A. | Mutative Treatment |
| B. | Reduction Treatment |
| C. | Palliative Treatment |
| D. | Genesis Treatment |
| Answer» D. Genesis Treatment | |
| 8. |
The machine used for radiotherapy is called as _________ |
| A. | Therapeutic X-Ray machine |
| B. | Linear Accelerator |
| C. | Diathermy Machine |
| D. | Radioactive Ultrasound Machine |
| Answer» C. Diathermy Machine | |
| 9. |
Why are the fast dividing cells more easily targeted? |
| A. | Due to the high protein and carbohydrate content of the cells |
| B. | Due to the higher energy of the cells |
| C. | Due to the low energy of the cells |
| D. | Due to the high oxygen content of the cells |
| Answer» C. Due to the low energy of the cells | |
| 10. |
In the cardiovascular system, which is more affected by the radiations? |
| A. | Capillaries |
| B. | Artery |
| C. | Vein |
| D. | Cardiac Muscles |
| Answer» B. Artery | |
| 11. |
Between the oesophagus and lungs, lungs are more sensitive to radiations. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Which of the following cells have a low resistance to radiations? |
| A. | Lymphocytes, Spermatogonia, Erythroblasts, Intestinal crypt cells |
| B. | Megakaryocytes, embryo, pancreatic cells, Intestinal crypt cells |
| C. | Lymphocytes, Spermatogonia, hepatic cells, nephrons |
| D. | Megakaryocytes, neurons, cardiac cells, Intestinal crypt cells |
| Answer» B. Megakaryocytes, embryo, pancreatic cells, Intestinal crypt cells | |
| 13. |
Which of the following pair of scattering is important for diagnostic purposes? |
| A. | Coherent and Compton |
| B. | Photoelectric and Pair Production |
| C. | Compton and Photoelectric |
| D. | Pair Production and Disintegration |
| Answer» D. Pair Production and Disintegration | |
| 14. |
Which of the following pair of scattering is important for therapeutic purposes? |
| A. | Coherent and Pair Production |
| B. | Photoelectric and Disintegration |
| C. | Compton and Photoelectric |
| D. | Pair Production and Disintegration |
| Answer» E. | |
| 15. |
The process of destroying cancer cells with the help of radiation is ________ |
| A. | radiotherapy |
| B. | physiotherapy |
| C. | uroplasty |
| D. | rehabilitation |
| Answer» B. physiotherapy | |