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| 1. CT scan stands for _____. |
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Definition
| COMPUTERIZED TOMOGRAPHY USING CONVENTIONAL X-RADIATION |
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| 2. CT scans are measured in _____ units. |
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Definition
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| 3. CT scans produce reconstructed axial images in any place of the body by using a thin _____ shaped x-ray beat. |
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Definition
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| 4. CT scans produce slice thickness between _____mm. |
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Definition
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| 5. When performing a CT scan, the x-ray beam rotates around the patient in a _____deg arc. |
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Definition
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Term
| 6. CT scan contrast resolution is _____x better than conventional radiography. |
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Definition
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Term
| 7. CT scans may induce a sense of _____ in susceptible patients. |
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Definition
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Term
| 8. CT scans increase exposure to _____ as compared to x-rays. |
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Definition
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Term
| 9. CT of a chest contains _____x more ionizing radiation than a standard chest x-ray. |
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Definition
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Term
| 10. CT scans are contraindicated under these circumstances. |
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Definition
| 1) PREGNANCY, 2) VERY LARGE PATIENTS |
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Term
| 11. CT scans are useful in demonstrating these conditions. |
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Definition
| 1) DISC LESIONS, 2) INTRASPINAL MASSES, 3) INTRACRANIAL MASSES, 4) INTRACRANIAL BLEEDING, 5) ABDOMINAL MASSES, 6) BONY STRUCTURES, 7) LUNG PATHOLOGIES |
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Term
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Definition
| MAGNETIC RESONANCE IMAGING |
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Term
| 2. MRI uses a large magnetic field to generate radio-frequency waves measured in _____. |
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Definition
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Term
| 3. Contrast resolution of a MRI is _____x better than CT scans for soft tissue pathology, except in the _____. |
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Definition
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Term
| 4. _____ images highlight fatty tissue as white. |
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Definition
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Term
| 5. _____ images highlight water as white. |
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Definition
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Term
| 6. MRI may induce a sense of _____ in susceptible patients. |
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Definition
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Term
| 7. Are there any known adverse biological effects for using a MRI? |
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Definition
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Term
| 8. MRI is contraindicated in patients with ferromagnetic implants such as in these situations. |
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Definition
| 1) PACEMAKERS AND DEFIBRILLATORS, 2) INTRACRANIAL ANEURYSM AND OTHER SURGICAL CLIPS, 3) COCHLEAR IMPLANTS, 4) IMPLANTED CNS STIMULATORS |
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Term
| MRI is useful in demonstrating these following pathologies. |
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Definition
| 1) SPINAL CORD AND BRAIN PATHOLOGY, 2) SOLID ORGAN PATHOLOGY, 3) METS IN BONE, 4) DEMYELINATING CNS DISORDERS, 5) MUSCULOTENDINOUS DISORDERS |
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Term
| 1. Bone scans and bone scintingraphy use _____ injected into the patient. |
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Definition
| RADIOACTIVE PHARMACEUTICALS |
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Term
| 2. Common radioactive phrmaceuticals are _____ and _____ labeled white blood. |
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Definition
| TECHNETIUM 99 AND INDIUM 11 |
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Term
| 3. Bone scans and bone scintigraphy use a _____ to create the images. |
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Definition
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Term
| 4. Radioactive material is taken up by _____. |
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Definition
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Term
| 5. normal areas of increase radioactive material uptake on bone scans. |
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Definition
| 1) SI JOINTS, 2) KIDNEYS, 3) AC JOINT, 4) SC JOINT, 5) TIPS OF THE SCAPULA, 6) FRONTAL PARASAGITTAL REGIONS OF THE SKULL, 7) COSTOCHONDRAL JOINTS |
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Term
| 6. Bone scans and bone scintigraphy are contraindicated when one is _____. |
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Definition
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Term
| Bone scans and bone scintigraphy are useful in identifying these pathologies. |
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Definition
| 1) PRIMARY BONE TUMORS EXCEPT FOR MULTIPLE MYELOMA, 2) BLASTIC METASTASES, 3) OSTEOMYELITIS, 4) OCCULT FRACTURES, 5) AVN OF BONE, 6) STRESS FRACTURES |
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Term
| 1. Diagnostic ultrasound works by using very high frequency _____. |
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Definition
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Term
| 2. Diagnostic ultrasound is helpful in the investigation of suspected vascular diseases and other conditions such are these conditions. |
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Definition
| 1) AAA, 2) CAROTID ARTERY DISEASE, 3) VERTEBRAL ARTERY DISEASE, 4) PREGNANCY, 5) OVARIAN DISEASE |
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Term
| 3. Does diagnostic ultrasound have human side effects? |
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Definition
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Term
| 4. Diagnostic ultrasound is excellent for estimating the size of _____ or _____. |
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Definition
| TUMORS; ABDOMINAL ANEURYSMS |
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Term
| 1. fMRI stands for _____. |
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Definition
| FUNCTIONAL MAGNETIC RESONANCE IMAGING |
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| 2. fMRI is a technique used for measuring _____. |
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Definition
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Term
| 3. fMRI detects changes in _____, which is facilitated by the fact that hemoglobin contains iron which can be magnetized. |
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Definition
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Term
| 4. Active parts of the brain require _____ oxygen. |
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Definition
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Term
| 5. More oxygen means more oxygen-carrying _____ in the area, which results in a change in the density of the magnetic signal in the area. |
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Definition
| OXYGEN-CARRYING HEMOGLOBIN |
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Term
| 6. fMRI is now being used to detect changes in patients suffering from these conditions. |
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Definition
| 1) DEPRESSION, 2) SCHIZOPHRENIA, 3) FIBROMYALGIA |
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Term
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Definition
| POSITRON EMISSION TOMOGRAPHY |
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Term
| 2. PET scans measure _____ using a radioactively labeled tracer molecule. |
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Definition
| REGIONAL CEREBRAL BLOOD FLOW |
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Term
| 3. In an area of the brain that is more active, there is a _____ concentration of the radioactive tracers of a PET scan. |
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Definition
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Term
| 1. SPECT stands for _____. |
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Definition
| SINGLE PHOTON EMISSION COMPUTERIZED TOMOGRAPHY |
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Term
| 2. SPECT uses an injection of a _____ into the blood stream, and then a picture is taken with a _____. |
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Definition
| RADIONUCLEOTIDE; GAMMA CAMERA |
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Term
| 1. _____ is used to visualize narrowing or clots in arterial blood vessels by injecting a radio-contrast agent into an artery and then taking an x-ray picture. |
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Definition
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Term
| 2. _____ is used to visualize the blood flow in arteries or veins with ultrasound. |
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Definition
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| 3. _____ is used to visualize clots in deep veins by injecting a radio-contrast agent into a vein and then taking an x-ray picture. |
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Definition
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Term
| 4. _____ is used to visualize narrowing of the esophagus by swallowing barium, which is radiopaque. |
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Definition
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Term
| 5. _____ is used to visualize filling defects in the la is used to visualize filling defects in the large intestines. |
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Definition
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| 6. _____ is used to visualize filling defects in the stomach, or hiatal hernias. |
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Definition
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Term
| 7. _____ is used to visualize filling defects in the dural sac by injecting a radio-contrast agent into the subarachnoid space and then taking an x-ray picture. |
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Definition
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Term
| 8. _____ is used to visualize the lymphatic system by injecting a radio-contrast agent into the subcutaneous tissue and then taking an x-ray picture. |
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Definition
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Term
| _____ uses a magnetic field and pulses of radio wave energy to visualize the arteries in the body. |
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Definition
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