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Rad 100 Final
| Question | Answer |
|---|---|
| What is diagnostic yield? | The amount of useful diagnostic information obtained from an imaging procedure. | |
| What is diagnostic efficiency? | Obtaining the necessary diagnostic information while minimizing radiation exposure, time, and unnecessary procedures. |
| What are the main components of an x-ray imaging system? | table/upright bucky, and image receptor. | X-ray tube, control console, generator, collimator, |
| What is the purpose of the x-ray control console? | It allows the technologist to select and control exposure factors such as kVp, mA, and exposure time. |
| What does kVp control? | The energy and penetrating ability of the x-ray beam. |
| What does mAs control? | The quantity or number of x-ray photons produced. |
| What is the purpose of collimation? | To restrict the x-ray beam to the area of interest, reducing patient dose and scatter radiation. |
| What is the purpose of the upright image receptor? | It holds the image receptor vertically for examinations such as upright chest and abdominal radiographs. |
| What is anatomical position? | Standing upright, facing forward, arms at the sides, palms facing forward, and feet directed forward. |
| What does medial mean? | Toward the midline of the body. |
| What does lateral mean? | Away from the midline of the body. |
| What does proximal mean? | Closer to the point of attachment or origin. |
| What does distal mean? | Farther from the point of attachment or origin. |
| What is supination? | Rotation of the forearm so the palm faces forward or upward. |
| What is pronation? | Rotation of the forearm so the palm faces backward or downward. |
| What is flexion? | A movement that decreases the angle between two body parts. |
| What is extension? | A movement that increases the angle between two body parts or straightens a joint. |
| Why is effective patient communication important in radiology? | It builds trust, reduces anxiety, improves cooperation, and helps the technologist obtain quality images safely. |
| What considerations may be needed when imaging older adult patients? | Allow extra time, communicate clearly, provide positioning assistance, consider limited mobility, and maintain patient safety and comfort. |
| What qualities are important for a caring radiologic technologist? | Compassion, empathy, patience, professionalism, communication, respect, attention to safety, and technical competence. |
| What is the sagittal plane? | plane? A vertical plane that divides the body into right and left portions. |
| What is the midsagittal plane? | A vertical plane that divides the body into equal right and left halves. |
| What is the coronal plane? | A vertical plane that divides the body into anterior and posterior portions. |
| What is the transverse plane? | A horizontal plane that divides the body into superior and inferior portions. |
| What does anterior mean? | Toward the front of the body. |
| What does posterior mean? | Toward the back of the body. |
| What does superior mean? | Toward the head or upper part of the body. |
| What does inferior mean? | Toward the feet or lower part of the body. |
| What is an AP projection? | The x-ray beam enters the anterior surface and exits the posterior surface |
| What is a PA projection? | The x-ray beam enters the posterior surface and exits the anterior surface. |
| What is a lateral position? | The patient is positioned with either the right or left side closest to the image receptor. |
| What is an oblique position? | The patient is rotated so the body is positioned at an angle rather than directly AP, PA, or lateral. |
| What is dorsiflexion? | Bending the foot upward toward the lower leg. |
| What is plantar flexion? | Pointing the foot downward, away from the lower leg. |
| What is abduction? | Movement of a body part away from the midline. |
| What is adduction? | Movement of a body part toward the midline. |
| What is a positioning sponge used for? | To support and stabilize a body part while maintaining the correct position. |
| What is a digital radiography (DR) receptor? | A digital detector that captures the x-ray image and sends it to the computer for viewing. |
| What is computed radiography (CR)? | A system that uses a photostimulable phosphor imaging plate that must be processed in a CR reader. |
| Why is immobilization sometimes necessary during an x-ray exam? | To reduce patient motion, maintain proper positioning, improve image quality, and decrease the need for repeat exposures. |
Created by:
Sydney Sims