GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Name:Medical Imaging techniques
Time:02:30 PM TO 05:00 PM Total Marks: 70
3. Figures to the right indicate full marks.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII(NEW) EXAMINATION — SUMMER 2019
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Subject Code:2170303 Date:10/05/2019Subject Name:Medical Imaging techniques
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
| MARKS | |
|---|---|
| Q.1 (a) Describe the characteristics of X-rays. | 03 |
| (b) Explain the function of Grid and Collimator with the help of diagram. | 04 |
| (c) Explain different generation of CT-scan with neat diagram. | 07 |
| Q.2 (a) What is Piezoelectric effect? Enlist the types of Piezoelectric materials. | 03 |
| (b) Write a short note on Fluoroscopy. | 04 |
| (c) Explain interaction between X-rays and matter with neat diagram. | 07 |
| OR | |
| (c) Explain construction & working of Rotating anode X-ray tube with neat diagram. | 07 |
| Q.3 (a) Explain the need for Time-Gain compensation in A-mode display. | 03 |
| (b) Draw & explain construction of single element Ultrasonic Transducer. | 04 |
| (c) Explain block diagram of B-mode pulse echo system in detail. | 07 |
| OR | |
| Q.3 (a) Define Attenuation, Absorption & Scattering in terms of Ultrasound. | 03 |
| (b) Explain Biological effects of Ultrasound. | 04 |
| (c) Explain Color Doppler Flow Imaging system with diagram. | 07 |
| Q.4 (a) Describe the Biological effects of NMR imaging. | 03 |
| (b) What is CT number? Give CT number for water, air & dense material. | 04 |
| (c) Explain the principle of Magnetic Resonance Imaging technique. What are the advantages of MRI technique over other imaging techniques? | 07 |
| OR | |
| Q.4 (a) What is Computed Tomography? Give its advantages over conventional X-ray. | 03 |
| (b) Explain T1 and T2 Relaxation time. | 04 |
| (c) Explain basic NMR components in MRI. | 07 |
| Q.5 (a) Explain the principle of Medical Thermography with its applications. | 03 |
| (b) Explain role of Radio-isotopes in medical diagnosis with applications. | 04 |
| (c) Draw & explain block diagram of Gamma camera in detail. | 07 |
| OR | |
| Q.5 (a) Write a short note on Infrared detectors used for Medical Thermography. | 03 |
| (b) Explain any two types of Nuclear Radiation detectors in brief. | 04 |
| (c) Describe SPECT scan and PET scan in brief. | 07 |
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