Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2170303 Medical Imaging Techniques Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2170303 Date: 15/11/2018
Subject Name: Medical Imaging techniques
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Why is tungsten used as a target material in X-ray tube? 03
(b) Write the comparisons between fluoroscopy and radiography. 04
(c) Explain in detail the fundamental interactions between x-rays and matter. 07
Q.2 (a) Define the characteristic x-rays. 03
(b) Draw and Explain the electrical circuit of X ray generator. 04
(c) What is an image intensifier tube? Draw and explain the construction and
working of image intensifier tube.
07
OR
(c) Explain functions of beam restrictor. Draw and explain collimator. 07
Q.3 (a) State and explain Clinical applications of Thermography. 03
(b) Draw and explain xeroradiography. 04
(c) Write a note on nuclear radiation detectors. 07
OR
Q.3 (a) What is piezoelectric effect? Give the example of piezoelectric material. 03
(b) Explain Gamma camera in detail. 04
(c) Write a detail note on SPECT. 07
Q.4 (a) Describe the characteristics of ultrasound wave. 03
(b) What types of detectors are used in thermal imaging system? Explain the
infrared detector in detail.
04
(c) Explain in detail spatial encoding for MRI study. 07
OR
Q.4 (a) What are the basic components in NMR imaging? 03
(b) Explain T1 relaxation time in context of MRI. 04
(c) Write a note on the generation of CT scanner. 07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2170303 Date: 15/11/2018
Subject Name: Medical Imaging techniques
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Why is tungsten used as a target material in X-ray tube? 03
(b) Write the comparisons between fluoroscopy and radiography. 04
(c) Explain in detail the fundamental interactions between x-rays and matter. 07
Q.2 (a) Define the characteristic x-rays. 03
(b) Draw and Explain the electrical circuit of X ray generator. 04
(c) What is an image intensifier tube? Draw and explain the construction and
working of image intensifier tube.
07
OR
(c) Explain functions of beam restrictor. Draw and explain collimator. 07
Q.3 (a) State and explain Clinical applications of Thermography. 03
(b) Draw and explain xeroradiography. 04
(c) Write a note on nuclear radiation detectors. 07
OR
Q.3 (a) What is piezoelectric effect? Give the example of piezoelectric material. 03
(b) Explain Gamma camera in detail. 04
(c) Write a detail note on SPECT. 07
Q.4 (a) Describe the characteristics of ultrasound wave. 03
(b) What types of detectors are used in thermal imaging system? Explain the
infrared detector in detail.
04
(c) Explain in detail spatial encoding for MRI study. 07
OR
Q.4 (a) What are the basic components in NMR imaging? 03
(b) Explain T1 relaxation time in context of MRI. 04
(c) Write a note on the generation of CT scanner. 07
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2
Q.5 (a) Explain why array structure is better in ultrasound transducer design. 03
(b) Describe the biological effects of ultrasound imaging techniques. 04
(c) Give detailed characteristics of ultrasound transducer beam design. 07
OR
Q.5 (a) Explain propagation of ultrasound wave with necessary schematic. 03
(b) What is Thermal Imaging? Explain Infrared Thermography in detail. 04
(c) Explain A-mode scan of Ultrasonic Imaging system 07
*************
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This post was last modified on 20 February 2020