Temporal resolution - Study guides, Class notes & Summaries

ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for one complete wavelength to pass a fixed poin...

Psychiatric Mental Health Nursing 8th edition by Shelia Videbeck||ISBN NO-10 2,ISBN NO-13 978-8|| All Chapter Covered 1-24 | Complete Guide A+. Psychiatric Mental Health Nursing 8th edition by Shelia Videbeck Test Bank , All Chapter Covered 1-24 | Complete Guide A+: UNIT 1 Current Theories and Practice • 1. Foundations of Psychiatric–Mental Health Nursing • 2. Neurobiologic Theories and Psychopharmacology • 3. Psychosocial Theories and Therapy • 4. Treatment Settings and Therapeutic Pr...

CT Registry Review (MIC) Questions and Answers Rated 100% In order for an x-ray photon to be measured it must: 1. enter the detector chamber 2. be absorbed by the detector material 3. be converted to a measurable event *ANS* 1,2,3 Which system component converts the projection attenuation data into the proper digital form for the array processor? *ANS* analog-to-digital converter Which of the following is NOT a function of a PACS system? a. reconstruction of the image from the raw d...

The main advantages of CT over conventional radiography are correct answers -Elimination of superimposed structures - the ability to differentiate small differences in density of an atomic structures - superior quality of the images Computer tomography for technologists exam review Romans chapter 1 page 3 CT image quality is evaluated using a number of criteria including correct answers - spatial resolution - low contrast resolution - temporal resolution Computer tomography for techno...

Frequencies used in transthoracic imaging are usually in the range of ____________. Frequencies used in transesophageal imaging are usually in the range of ______________. A) 3-6 MHz;6-8 MHz B) 3-6 MHz; 5-7 MHz C) 2.5-4 MHz; 5-7 MHz D) 1-3 MHz; 6-8 MHz - 2.5-4 MHz; 5-7 MHz Which of the following will aid in visualization of the endocardium? A) Increased transducer frequency B) Larger sector size C) Increased wall filter D) Agitated saline contrast - Increased transducer frequency-this ...

Which is NOT a synonym for the preliminary/localizer image taken at the start of a CT examination? A. Topogram B. Scout C. Scanogram D. Spiral - Answer- D. Spiral The ability of a system to differentiate, on the image, objects with similar densities is known as: A. High contrast resolution B. Low contrast resolution C. Spatial resolution D. Temporal resolution - Answer- B. Low contrast resolution

Which artifact may cause structures to look deeper than they actually are? A. Side lobe B. Shadowing C. Refraction D. Propagation speed error E. Slice thickness -Correct Answer D. propagation speed error The optimum operating frequency for a broad-bandwidth transducer would be: A. 6 MHz B. 7 MHz C. 8 MHz D. 9 MHz E. 10 MHz -Correct Answer C. 8 In breast sonography, which of the following is NOT significantly affected by the limited field of view when imaging superficia...

CFM 445 Midterm Questions and Answers 100% Pass Most companies fail when they have to face ____ or more risks at the same time 2 _____ is the most common element among contractors who fail significant increase in the size of projects undertaken Events leading to contractor failure usually take place in _______ during profitable years prior to failure T/F Past success is a good indication of future success False T/F A board of directors should be made up of internal and external members True ...

CT TEST REVIEW (TEST Q'S AND A'S FOR CT REGISTRY PREP. THIS IS FROM THE BOOK "COMPUTED TOMOGRAPHY FOR TECHNOLOGISTS: EXAM REVIEW" BY LOIS E ROMANS. PUBLISHED BY WOLTERS KLUWER, LIPPINCOTT WILLIAMS AND WILKINS.) Which is NOT a synonym for the preliminary/localizer image taken at the start of a CT examination? A. Topogram B. Scout C. Scanogram D. Spiral - Correct Answer D. Spiral The ability of a system to differentiate, on the image, objects with similar densities is known as: A. Hig...

HESI EXIT EXAM STUDY VERIFIED QUESTIONS AND ANSWERS 2023 LATEST UPDATE GRADED A A radiographer prepares to perform an AP projection of the distal femur on a patient with a suspected femoral fracture. Which represents the best approach for positioning both the patient and the x-ray tube? A. Rotate the leg 15 degrees medially; place the cathode end of the tube toward the foot. B. Rotate the leg 15 degrees medially; place the anode end of the tube toward the foot. C. Do not rotate the l...