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This section includes 5 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. |
With what energy must the radiation be given to image a bone of thickness 5 cm which has covering of skin of thickness of 2 cm on the both sides and the emerging intensity of the X Ray is 200MeV. (impedance for bone = b for skin = s ) |
A. | 2000e<sup>9</sup> |
B. | 200e<sup>(4s + 5b)</sup> |
C. | 20/e |
D. | 2e |
Answer» C. 20/e | |
2. |
In a hypothetical radioactive material, the total number of active photons are 20000 and the decay constant is found out to be 4.916 X 10-17 per second. How much of the material will be left in a 100 years? (1 year = 365 days. Leap year is not assumed in the calculations) |
A. | 1589.99999 |
B. | 19,999.9999 |
C. | 19.999999 |
D. | 123.99999 |
Answer» C. 19.999999 | |
3. |
The two known units of radioactivity and the relation between the two are _______ |
A. | Curie and Becquerel 1 Ci = 3.7 x 1010 Bq |
B. | Curie and Becquerel 1 Bq = 3.7 x 1010 Ci |
C. | Curie and Roentgens 1 Ci = 1000 R |
D. | Roentgen and Becquerel 1 R = 1000 Bq |
Answer» B. Curie and Becquerel 1 Bq = 3.7 x 1010 Ci | |
4. |
What is the relation between 1 Rad, 1 Rem and 1 R? |
A. | 1 Rad 1.5 Rem 1000 R |
B. | 1 Rad 10 Rem 1.8 R |
C. | 1 Rad 1 Rem 1 R |
D. | 1 Rad 10 Rem 100 R |
Answer» D. 1 Rad 10 Rem 100 R | |
5. |
For what all purposes is diathermy principal used? |
A. | Surgical and Therapeutic |
B. | Therapeutic and Diagnostic |
C. | Diagnostic and surgical |
D. | Diagnostic and rehabilitative |
Answer» B. Therapeutic and Diagnostic | |