Mlsc 404: Radiology And Medical Imaging Question Paper
Mlsc 404: Radiology And Medical Imaging
Course:
Institution: Kenya Methodist University question papers
Exam Year:2013
KENYA METHODIST UNIVERSITY
END OF 2''ND ''TRIMESTER 2013 (EVENING) EXAMINATIONS
SCHOOL : MEDICINE & HEALTH SCIENCES
DEPARTMENT : MEDICAL LABORATOY
UNIT CODE : MLSC 404
UNIT TITLE : RADIOLOGY AND MEDICAL IMAGING
TIME : 2 HOURS
Instructions:
Attempt all the question in section A and only two in section B.
SECTION A
Question one
List any three breast orientations during breast cancer screening using a mammography unit. (3mks)
Question Two
Explain any three non-ionizing radiation medical imaging techniques. (3mks)
Question Three
What advantages does filmbadges have over other radiation dosemeters in personnel monitoring. (3mks)
Question Four
During the production of diagnostic x-rays. What are the function of the electron gun. (3mks)
Question Five
Outline any three properties of a piezoelectric material suitable for the production of ultrasound. (3mks)
Question Six
Explain the principle of operation of an ionization chamber for radiation detection. (3mks)
Question Seven
What factors affect the quantity and quality of x-rays producible on an x-rays tube? (3mks)
Question Eight
An x-ray radiation for a CT scan has a frequency of 1.4x1018Hz. what was the KVP of the tube producing these high frequency radiations. (3mks)
Question Nine
Explain three factors that affect the rate of transmission of ultrasonic waves during medical diagnosis through human tissues. (3mks)
Question Ten
What makes rotating anodes preferred in x-ray tubes for use in diagnostic medical imaging? (3mks)
SECTION B
Question Eleven
Explain five properties of the phosphors.
(10mks)
Discuss the application of the phosphors in the practice of medical diagnostic imaging.
(10mks)
Question Twelve
Explain five properties of x-ray radiation for flucroscopy.
(10mks)
Describe the production and application of x-rays in radiology and medical imaging.
(10mks)
Question Thirteen
Explain the three sections of a CT scan unit.
(10mks)
Discuss procedures involved in the following diagnostic medical imaging techniques
Mammography.
(5mks)
General screening radiography.
(5mks)
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