Low kvp - Study guides, Revision notes & Summaries

X-ray Production Ans: produced by accelerating elec trons with a high voltage and allowing them to collide with the focal spot. The opening collimates the beam but must first pass through Ans: a layer of aluminum Aluminum Ans: Filters out low energy x-rays Computed Tomography Ans: machine that uses xrays, a powerful form of electromagnetic energy combines x radiation and radiation detectors coupled with a computer to create cross sectional image of any part of the body Poly-energeti...

As kVp is decreased... contrast increases The speed of the film-screen combination has what relationship with density? directly proportional Grid frequency is described as the... number of lead strips per inch or centimeter The intensity of the scattered beam is 1/1000 the intensity of the primary beam at what angle 1 m from the patient? 90 degrees The minimum source-to-skin distance for fixed fluoroscopes is... 15 inches Ionization may cause... unstable ...

Quality Assurance Basics Exam 62 Questions with Verified Answers Why do we need Quality Assurance? (primary objective) - CORRECT ANSWER To enable prompt and accurate image diagnosis What are the 3 secondary objectives to QA? - CORRECT ANSWER 1. To maintain the quality of diagnostic images 2. to minimise the radiation exposure to patient and staff 3. to be cost effective Who is Responsible for Quality Assurance Programs? - CORRECT ANSWER Radiologist in charge But ultimately everyone i...

CT BOOT CAMP CT Image Production (2022/2023) Already Passed If the rotation time of a scan is decreased, what other exposure parameter should be changed to maintain the image quality? A. Increase millimaperage (mA) B. Increased kilovoltage peak (kVp) C. Decrease scan length D. Decrease milliamperage (mA) A. Increase millimaperage (mA) What technical change is expected to increase the penetrating ability of an x-ray beam? A. Increase kilovoltage peak (kVp) B. Increased milliamperage (mA) C. Inc...

PATIENT CARE (18) - ANS 1. Pt. Interactions & Mgmt. A. EXPOSURE FACTORS - ANS kVp and mAs kVp - ANS high kVp/low mAs techniques should be used to reduce the exposure to the patient with new digital imaging (CR and DR) higher kVp techniques should be used to compensate for the slower digital systems mAs - ANS which of the following will produce the least exposure to this patient? 50 mAs, 60 kVp 25 mAs, 70 kVp (answer: both techniques will produce equal exposure to the...

As kVp is decreased... contrast increases The speed of the film-screen combination has what relationship with density? directly proportional Grid frequency is described as the... number of lead strips per inch or centimeter The intensity of the scattered beam is 1/1000 the intensity of the primary beam at what angle 1 m from the patient? 90 degrees The minimum source-to-skin distance for fixed fluoroscopes is... 15 inches Ionization may cause... unstable ...

CAMRT Exam Questions and Answers 2023 A+ Graded. C-spine flexion / extension views assess what? - correct answers.Anterior and posterior movement or lack of movement due to an injury What does ERCP stand for? - correct answers.Endoscopic retrograde cholangiopancreatography What is an ERCP used for? - correct answers.To investigate biliary tree, CBD, gallbladder and pancreas Ball catchers view is good to assess what? - correct answers.Early stages of Rheumatoid Arthritis Low blood pressu...

An image that demonstrates low contrast can be caused from: 1. High mAs 2. Low kVp 3. Insufficient beam restriction CORRECT ANSWER 3 only Which of the following interactions with matter reduce contrast in an x-ray image? CORRECT ANSWER Compton scattering From anatomical position, pronating the hand will result in the palm facing ____. CORRECT ANSWER Posteriorly The maximum variation between consecutive exposures when using the same technical factor is: CORRECT ANSWER within 5% ...

2024/2025 HESI Radiography Practice Test 1 - Questions, Answers and Rationales (Complete Solutions) How is signal maximized to a digital image receptor? a. Lower milliamperage (mA) setting. b. Shorter exposure time. c. Higher source to image receptor distance (SID) value. d. Longer exposure time. The greatest signal strength is obtained with longer exposure time. The other responses reduce signal at the digital image receptor. Which is the best approach for speaking to a patient with a hearing...

2024 Radiology VTNE Review Question Latest Questions With Complete Grade A Answers 1. Aluminum filters remove what part of the x-ray beam Answer: Low energy 2. What is the sensitive chemical impregnated into an x-ray film? Answer: Silver halide 3. Which of the following is physical property of x-rays? A. travel in straight lines. B.retracted reflectsimilar to visible light C. are visible in the dark D.maydeflect by magnets Answer: Travel in straight lines 4. As the wavelength of x...