Aliasing Study guides, Class notes & Summaries

What two things make up an object? correct answers State and Behavior What is the State of an object? correct answers Data that the object maintains/holds Ex: (Bank Account) - balance, account number, interest amount, account type etc Behavior of an object? correct answers Things the object can do Ex: (Bank Account) - giveMeMoney, acceptDeposits, getBalance etc What represents a state of an object? correct answers Instance Variables Ex: (Student Class) Public int IdNum; Public Stri...

When will the Doppler shift be the highest? A.when the beam is parallel to the direction of flow B.when the beam is at a 45 degree angle to flow C.when the beam is perpendicular to the direction of flow D. Doppler shift is unrelated to beam angle Correct Answer: A.when the beam is parallel to the direction of flow Which of the following best describes the principles of hemodynamics? -The pressure difference required for blood to flow -The pressure created in a fluid system -A fluid's...

NEW RPSGT EXAM- Latest 2022 Study Guide and Practice Test Already Passed The purpose of an intentional mask leak is to... Wash out CO2 and prevent rebreathing Recommended guidelines state that HSV can be considered when.... Cheyne Stokes and central Apneas have not been eliminated. What is aerophagia? The swallowing of air What is maxillomandibular advancement? Treatment that involves cutting and advancing the upper and lower jaw bones; enlarging and stabilizing the posterior airway. What is...

C - Answer- What is dynamic aperture? A.aperture that varies with transmit frequency B.aperture that decreases as a function of time C.aperture that increases with increasing focal length D.aperture that changes as a function of frame rate A - Answer- to which acoustic variable is penetration depth inversely related? A.frequency B.wavelength C.period D.propagation speed B - Answer- which imaging mode requires a broadband transducer? A.continuous wave doppler B.Pulsed wave dopple...

CAMRT 2023 EXAM QUESTIONS WITH COMPLETE SOLUTION Why include ant ST on lat Cspine - CORRECT ANSWERS Pre verterbal fat stripe- widening=#, mass, inflammation Air gap technique - CORRECT ANSWERS reduces scatter, increases contrast IP 10-15 cm away from pt mAs increase 10% for every cm gap Not effective with high kV why expiration with pneumo - CORRECT ANSWERS reduces lung vol, pneumo occupies larger area- easier to see...

LRA 221 Final Exam Questions and Verified Answers - (2024/ 2025 Update) 100% Correct Review 182 Q: Aliasing occurs when the sampling frequency is not greater than twice the frequency of the input signal. a. True b. False Answer: b. False Q: In digital projection radiography, what process is used to normalize an image that has been taken with too great of an exposure? a. High-pass filtering b. Low-pass filtering c. Automatic rescaling d. Aliasing Answer: c. Automatic res...

CSIT 210 Exam 1 Questions and Answers Already Passed _____________ consists of specific words and symbols to express a problem solution. a. An application b. A computer c. Hardware d. Software e. A programming language e. A programming language ____________________ is the automatic conversion between a primitive value and a corresponding wrapper object. a. Number formatting b. Autoboxing c. Aliasing d. Generating e. Static invocation b. Autoboxing A _...

Edelman CCI Questions and Answers Already Passed When transporting a patient with a urinary catheter the bag should always be: Below the patients bladder A 52 year old woman develops a murmur after a myocardial infarction. What is the most likely etiology? Ventricular Septal Defect How do you position a patient for using a PEDOF probe along the right sternal border? Right lateral decubitus A patient with down syndrome (trisomy 21) is referred to your lab for an echo. Which of t...

What is the unit for magnetic field strength? CORRECT ANSWER 1T=10(kG)=10,000 G What type of artifact is seen exclusively in both phase and frequency directions? CORRECT ANSWER Aliasing What artifact is the result of the recessional difference between fat and water? CORRECT ANSWER Chemical shift The area in which a gradient magnetic field is equal to the external magnetic field is called CORRECT ANSWER Isocenter The loss of phase coherence due to intrinsic and extrinsic magnetic fiel...

Which of the following do you need to determine the vertical resolution? A. Time base and bit capacity B. Display gain and bit capacity C. Dwell time and Sampling D. Aplifier sensitivity and bit capacity - answer-D. Amplifier sensitivity and bit capacity (horizontal resolution would be dwell time and sample rate) Inappropriately low sampleing rate will produce low frequency representation of digitized waveform if this is in play. A. Poor signal B. Aliasing C. 60Hz filter effec...