Contrast digital - Study guides, Class notes & Summaries

Chapter 8: Medical Imaging Equipment 1. Which component of the x-ray tube produces the x-rays? A. Cathode B. Anode C. Glass envelope D. Collimator Answer: B Rationale: The anode (B) is the component of the x-ray tube where electrons from the cathode strike, producing x-rays through the process of bremsstrahlung and characteristic interactions. DIF: Knowledge TOP: X-ray Tube Components MSC: Radiographic Equipment 2. The primary function of the cathode in the x-ray tube is to: A. Pro...

CCI RVS Exam (2024/ 2025) 200+ Questions and Verified Answers| 100% Correct- Grade A Q: When listening with continuous wave Doppler over a sonic lesion, you will hear high frequency or low frequency sound? Answer: High frequency Q: A normal PORH response is a major velocity increase of what percent increase in mean velocity Answer: >100% Q: What are falsely elevated less frequently than tibial ankle pressures? Answer: toe pressures Q: How can a PTFE ...

Mosby CT Registry Review 2024 Questions and Answers 100% Pass What is the smallest component of a digital image - Correct Answer ️️ -pixel How many CT numbers are assigned to each pixel in the image matrix? - Correct Answer ️️ -One In a CT image, the CT number - Correct Answer ️️ -Of a material is dependent on its linear attenuation coefficient Each two-dimensional square of data that make up the CT image is called a - Correct Answer ️️ -pixel What is an element of the d...

Mosby CT Registry Review Questions and Answers 2024 What is the smallest component of a digital image pixel How many CT numbers are assigned to each pixel in the image matrix? One In a CT image, the CT number Of a material is dependent on its linear attenuation coefficient Each two-dimensional square of data that make up the CT image is called a pixel What is an element of the digital image pixel Which of the following influences the spatial resolution in...

ASRT QUIZZES COMBINED QUESTIONS WITH 100% CORRECT ANSWERS Which of the following are facial bones Nasal Lacrimal Vomer Mandible Zygoma - Correct Answer Nasal, Lacrimal, Vomer, Mandible ___ sinuses sit directly beneath the sella turcica - Correct Answer Sphenoidal A contrast medium that lets x-ray photons easily pass through it is considered - Correct Answer radiolucent the ___ receives electrons immediately after they are read out from the imaging detector (electrons are analog...

LRA 222 Test Questions with Answers Electromagnetic radiation A. has no mass B. has significant mass C. has varying amounts of mass D.none - Answer-A. has no mass Which of the following is not a primary exposure technique factor? a. kvp of exposure c. SID d.Ma - Answer-C. SID Which of the following is true regarding the effect of mAs on the brightness of a digital image? A. doubling the mAs will increase brightness B. halfing the mAs will decrease brightness C. mAs does no...

digital subtraction angiography acquires exposures at frame rates up to: a. 10 f/s b. 20 f/s c. 30 f/s d. 40 f/s CORRECT ANSWER c. 30 f/s compared to conventional DSA, 3-D DSA is: a. faster and requires a higher volume of contrast b. faster and requires a lower volume of contrast c. slower and requires a higher volume of contrast d. slower and requires lower volume of contrast CORRECT ANSWER b. faster and requires a lower volume of contrast Most digital imaging systems used in ...

Which change should be made when performing an abdomen radiograph on a patient with ascites? Raise exposure factors. Which system can store images? Picture archival and communication system (PACS). What is the result if pixel bit depth is decreased? Contrast resolution is decreased. Prior to performing a posteroanterior (PA) chest projection with automatic exposure control (AEC), the radiographer discovers that the patient has had a right total pneumonectomy. Which technical consi...

Relias - Fetal Heart Monitoring Questions and Answers 2023 uterine blood supply - uterine arteries deliver oxygenated blood to spiral arteries which bring oxygen rich blood to intervillous space of placenta that has fetal capillaries - fetal capillaries carry the O2 rich blood to umbilical VEIN that goes to fetus -in contrast, the umbilical ARTERIES return waste products to that intervillous space that go into mother's venous system Potential issues that negatively affect fetal o...