Download GTU BE/B.Tech 2019 Summer 7th Sem New 2170303 Medical Imaging Techniques Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 7th Sem New 2170303 Medical Imaging Techniques Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2170303 Date:10/05/2019

Subject Name:Medical Imaging techniques

Time:02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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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