Manipal University 2008 B.E Biomedical Engineering SIXTH SEMESTER END-SEMESTER S SUBJECT: BASIC CLINICAL SCIENCES IV(BME 304) (REVISED CREDIT SYSTEM) - Question Paper

SIXTH SEMESTER B.E. DEGREE END-SEMESTER exams MAY 2008
SUBJECT: BASIC CLINICAL SCIENCES IV(BME 304)
(REVISED CREDIT SYSTEM)
Monday, May 19, 2008 : 9.00 a.m..- 12.00 noon

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Reg. No.

MANIPAL INSTITUTE OF TECHNOLOGY

(Manipal University)

Manipal - 576 104

SIXTH SEMESTER B.E. DEGREE END-SEMESTER EXAMINATIONS MAY 2008

SUBJECT: BASIC CLINICAL SCIENCES IV(BME 304)

(REVISED CREDIT SYSTEM)

Monday, May 19, 2008 : 9.00 a.m..- 12.00 noon

MAX. MARKS: 100

Instructions to Candidates:

1.    Answer any FIVE full questions.

2.    Draw labeled diagram wherever necessary

PART A RADIOLOGY

1. Discuss in detail the production of X-rays when the electron stream hits the target. 10 2. Show by cross section diagram the structure of X-ray film and describe different parts. 10 3. Explain the PACS system. 10 4. Describe construction and working of ultrasound transducer. 10 5. What are various steps you take for patient protection in radiography. 10 6. With neat diagram show basic arrangement of computed tomography scanner (CT). Describe image reconstruction involved in the same. 10

PART B RADIOTHERAPEUTICS

1.    Describe the effects of radiation exposure in an embryo.    10

2.    Describe the effects of radiation on normal tissues with emphasis on effects on the    10 skin, GI mucosa, lungs and spinal cord.

3.    What are free radicals? Explain the indirect effect of ionizing radiation in a    10 biological system

4.    What are the different types of ionizing radiation induced DNA damage? Explain    10 briefly the DNA repair mechanisms.

5.    a) What is the annual dose limits prescribed by ICRP for occupational and 5_x2=10

public exposure. Do these include the exposures due to natural background radiation and medical exposure?.

b) Explain briefly how will you control internal and external hazard?

6. Give a block diagram of typical medical linear accelerator and explain its    10

features.

Attachment: manipal-university-2008-b-e-biomedical-engineering-3406-1.pdf

Earning:   Approval pending.