MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Biomedical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which threshold of hearing is measured by a pure-tone audiometer? |
| A. | air-conduction thresholds of hearing |
| B. | bone-conduction thresholds of hearing |
| C. | speech reception thresholds for diagnostic purposes |
| D. | air-conduction and bone-conduction thresholds of hearing |
| Answer» E. | |
| 2. |
__________ is specialized equipment, which is used for the identification of hearing the loss in individuals. |
| A. | gaugemeter |
| B. | tachometer |
| C. | manometer |
| D. | audiometer |
| Answer» E. | |
| 3. |
What is the unit of dB? |
| A. | watts per sq cm |
| B. | dyne per sq cm |
| C. | unit less |
| D. | watts per cm |
| Answer» D. watts per cm | |
| 4. |
Decibel expresses the logarithm of the ratio between two sound _________ |
| A. | intensities |
| B. | powers |
| C. | pressures |
| D. | intensities, powers and pressures |
| Answer» E. | |
| 5. |
Sound intensity is proportional to the _________ of sound pressure. |
| A. | cube |
| B. | square |
| C. | inverse square |
| D. | inverse square root |
| Answer» C. inverse square | |
| 6. |
Unit of sound intensity ________ |
| A. | joules per sq. cm |
| B. | watt per sq. cm |
| C. | joules per cm |
| D. | watt per cm |
| Answer» C. joules per cm | |