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study stack rad202
| Question | Answer |
|---|---|
| The average adult kidney measures ____ in length. | 4 to 5 inches |
| In preparation for a venipuncture, a tourniquet should be applied ____ above or proximal to the site of injection | 3 to 4 inches |
| Extravasation is classified as a local reaction. | True |
| The bevel of the needle must be facing downward during the actual puncture into a vein. | False |
| How many bones make up the facial bone region? | 14 |
| An average-shaped skull with a 47-degree angle between the petrous pyramids and the midsagittal plane is classified as: | Mesocephalic |
| Which one of the following technical considerations is most critical for demonstrating air and/or fluid levels within the cranium? | Erect or horizontal x-ray beam positioning |
| Where is the CR centered for a lateral projection of the cranium? | 2-inch superior to EAM |
| What is the only paranasal sinus not contained within a cranial bone? | Maxillary |
| Which bone is involved with a tripod fracture? | Zygomatic |
| A fracture involving the facial bones where a blow to one side causes a fracture to the opposite side is termed a ____ fracture. | Contrecoup |
| Where is the CR centered for a lateral projection of the facial bones? | Zygoma, midway between the EAM and the outer canthus |
| Why is the chin extended for an axiolateral/axiolateral oblique projection of the mandible? | To prevent superimposition upon the cervical spine |
| Which of the following is NOT a function of the cardiovascular system? | Producing red blood cells |
| Which of the following vessels is NOT a direct branch of the aortic arch? | Right common carotid artery |
| Which vessel is formed when the vertebral arteries join together at the base of the skull? | Basilar artery |
| Which vein drains and receives blood from the intercostal, bronchial, esophageal, and phrenic veins? | Azygos vein |
| Which of the branches of the abdominal aorta is considered the most superior? | Celiac artery |
| Which is the longest vein in the body? | Great saphenous vein |
| How long should solid food be withheld prior to angiography? | 8 hours |
| Which vessel is the preferred site for arterial puncture for most angiography? | Femoral artery |
| The contrast medium of choice for angiography is: | Nonionic water–soluble iodinated |
| What is the name of the technique commonly used to introduce a catheter into a vessel? | Seldinger |
| Which medium serves as the baseline for CT numbers? | Water |
| The ratio of the relationship between table speed and slice thickness defines: | pitch |
| Muscular structures seen on a CT image would appear: | gray |
| Another term for scout is: | Scanogram |
| Window width controls the displayed image contrast. | True |
| The three-dimensional volume of tissue in a slice is called a voxel. | True |
| The gantry houses the x-ray tube and the detector array. | True |
| Musculoskeletal CT exams are primarily done for malformation of bone pathologies. | False |
| A detector’s main function within the CT unit is to: | measure attenuation of the transmitted beam |
| A technologist is able to adjust a CT’s predetermined protocol. | True |
| The purpose of the hysterosalpingography is to demonstrate the: | uterine cavity and the patency of the uterine tubes. |
| Where is the contrast media instilled during a myelogram? | Subarachnoid space |
| What is the range of tube angles found with DTS imaging systems? | 10° to 60° |
| Which of the following is generally true for knee arthrography? | A common nontrauma clinical indication is a Baker’s cyst. |
| What is the most common clinical indication for a postoperative (T-tube) cholangiogram? | Residual calculi |
| Which of the following best describes a "chip fracture?" | Involves an isolated bone fragment |
| The term "apposition" refers to how fragmented ends of a bone make contact within the joint space | False |
| Which of the following terms best describes a partial dislocation of a joint? | Subluxation |
| A bruise type of injury with a possible avulsion fracture is termed a(n): | Contusion |
| Which of the following fractures is described as an incomplete fracture with the cortex broken on one side of the bone? | Greenstick |
| Which type of procedure would be performed in surgery to realign a fracture? | Open reduction |
| Which one of the three cardinal rules of radiation protection is the most effective means of reducing exposure during mobile and surgical procedures? | Distance |
| An individual who prepares the sterile field and scrubs and gowns the members of the surgical team is a: | Scrub |
| Asepsis is defined as a(n): | Absence of infectious organisms |
| Which of the following is NOT an example of an internal fixation? | Clamp |
| Patients with a history of a GSW (gun shot wound) need to have a pre-CT x-ray done to provide clearance for the exam. | False |
| This condition results in fragile and deformed bones over time. | Paget Disease |
| This fracture type is also referred to being a "ping-pong" fracture. | Depressed |
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