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Exposure Factors
Chapter 17 - Pathology
| Question | Answer |
|---|---|
| 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 |
Created by:
teresachristensen
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