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Exposure Factors

Chapter 17 - Pathology

QuestionAnswer
An encapsulated infection abscess
An overgrowth of the hands, feet, face, and jaw resulting from hypersecretion of growth hormones. acromegaly
Initial loss in bone tissue resulting from a bone infection Active osteomyelitis
A disease that causes the body tissues to thicken, increase in atomic number, or increase in density, requiring an increase in technical factors to achieve proper image receptor exposure additive condition
A physchological disorder resulting in abnormal swallowing of air aerophagia
A psychological eating disorder resulting in extreme weight loss anorexia nervosa
A large dilation of the aorta aortic aneurysm
Fluid accumulation within the peritoneal cavity ascites
death of a tissue aseptic necrosis
Collapse of a lung atelectasis
A wasting away of body tissue with diminished cell proliferation atrophy
Abnormal accumulation of air and fluid resulting from a blockage in the bowel bowel obstruction
Chronic dilation of the bronchi bronchiectasis
Calcium deposits in the form of stones that can be found in the gallbladder and kidneys calcified stones
Malignancy carcinoma
Enlargement of the Heart cardiomegaly
New bone growth at the site of a chronic bone infection chronic osteomyelitis
Fibrotic changes in the Liver causing the Liver to enlarge and ascites to develop cirrhosis
Increased venous congestion in the Heart resulting from diminished cardiac output congestive heart failure
Inflammation of the joints resulting in destruction of adjoining joint tissue degenerative arthritis
A disease that causes body tissue to thin, decreasing in atomic number, or decrease in density, requiring a decrease in technical factors to achieve proper image receptor exposure. destructive condition
Swelling edema
A generalized wasting of body tissue emaciation
The overdistention of lung tissues by air emphysema
Pus in the thoracic cavity empyema
Malignant tumor of the metaphysis of bone resulting in reduction of bone composition fibrosarcoma
A metabolic disease that can cause a reduction in bone composition gout
Dilation of fluid-filled cerebral ventricles resulting in enlargement of the head hydrocephalus
Oversecretion of the parathyroid hormone, causing calcium to leave bone and enter the bloodstream hyperthyroidism
A malignant tumor arising from plasma cells of bone marrow, causing a reduction in bone composition multiple myeloma
New bone growth resulting from the spread of cancer in bone osteoblastic metastases
A tumor in the bone and cartilage osteochondroma
Destruction of bone due to malignancies that have spread to the bone osteolytic metastases
A defect in bone mineralization, causing decreased composition osteomalacia
A defect in bone production due to failure of osteoblasts to lay down bone matrix Osteoporosis
New bone growth resulting from an increase in bone cell activity Paget's disease
The medical science concerned with all aspects of disease, including structural and functional changes caused by a disease process pathology
The filling of the pleural cavity with blood or serous fluid pleural effusion
The inhalation of dust particles, causing fibrotic scarring of the lungs pneumoconiosis
The removal of a lung pneumonectomy
Inflammation of lung tissues, causing fluid to fill the aveolar spaces pneumonia
Free air in the pleural cavity that displaces lung tissue pneumothorax
The filling of the interstitial lung tissues and alveoli with fluid pulmonary edema
An increase in bone hardening resulting from a chronic inflammation of the bone sclerosis
The degree of differential absorption resulting from the differing absorption characteristics of the tissues in the body subject contrast
The impact the subject (patient) has on the resulting radiographic density subject density
The impact that the position of the structures of interest within the body has on the recorded detail subject detail
The impact that the position of the structures of interest within the body has on distortion subject distortion
Infection by mycobacteria, causing inflammation of the lungs tuberculosis
An abnormal new growth in tissue tumor
A disease that causes body tissues to thicken, increase in atomic number, or increase in density, requiring an increase in technical factors to ahieve proper image receptor exposure additive conditions
A disease that causes body tissues to thin, decrease in atomic number, or decrease in density, requiring a decrease in technical factors to achieve proper image receptor exposure destructive conditions
The filling of the pleural cavity with blood or serous fluid Hemothorax
Inflammation of lung tissues, causing fluid to fill the alveolar spaces Pneumonia
New bone growth resulting from an increase in bone cell activity Paget's disease
Impact the subject (patient) has on the resultant radiographic image receptor exposure subject density
The degree of differential absorption resulting from the differing absorption characteristics of the tissues in the body subject contrast
What occurs to the level of attenuation as the thickness of the body part being radiographed increases? increases
Which of the following interactions will supply radiologically important information? a. attenuation b. photoelectric absorption c. compton scatter d. coherent scatter b. photoelectric absorption
What is the main factor in personnel exposure in the radiographic or fluoroscopic room? scatter
What has the lowest tissue density? air
Where is subject contrast the lowest? a. intravenous pyelogram (IVP) b. mammography c. fluoroscopy d. computed tomography b. mammography
On a normal abdominal image, what can be seen in the colon? air
determined by the amount and type of irradiated material? attenuation
What substance has the effective atomic number of 6.46? fat
What is the effective atomic number of bone? 12.31
Exposure Factors Chapter 17 - The Patient as a Beam Emittor
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