Propagation - Study guides, Class notes & Summaries

ARDMS SPI STUDY GUIDE, Questions pool with answers, 100% Accurate, rated A+. 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 comp...

Where are eyes placed on the head for animals that use vision to detect and escape quickly from predators? - ANSWER-WIDE field of vision so placed on the sides of the head (rabbit) or on eyestalks raised above the head (crab) monocular vision (eyes basically function independently with little overlapping fields for binocular vision (using both eyes together to see)) Define temporal resolution - ANSWER-rate at which a rapidly blinking light is perceived as continuous Eyes with high (cone...

SPI Exam Pool Questions and answers. 100% Accurate, graded A+. What is described as the ability of an object to resist compression and relates to the hardness of a medium? - stiffness An increase in PRF would lead to - an increase in DF what has the higher propagation speed? air, bone, soft tissue or water - bone what has a lower propagation speed? water, soft tissue, bone or lung tissue - lung tissue as imaging depth increases, the PRF must - decrease what law describes the...

SPI Exam Questions pool ( Answered) rated A+. Concentration of force in an area. Units are: (Pa) or Pascals. - Pressure What are the units for density? - kg/cm3 What are the seven acoustic parameters and what are they determined by? - -Period determined by SOURCE -Frequency determined by SOURCE -Amplitude determined by SOURCE -Power determined by SOURCE -Intensity determined by SOURCE -Wavelength determined by both SOURCE & MEDIUM -Propagation Speed determined by MEDIUM What...

HAZMAT Operations, Top Exam Questions and answers, Graded A+ Absorption (Routes of entry) - -The process by which the hazardous materials travel through body tissues until they reach the bloodstream. Acid - -A material with a pH value less than 7. Acute health affects - -A health problem caused by relatively short exposure periods to a harmful substance that produces observable conditions such as eye irritation, coughing, dizziness, and skin burns. Alpha Particle - -A positively ch...

Ardms Abdomen Board Review Questions and answers, graded A+. Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor - e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer d. fl...

ARDMS SPI Exam. Pool Questions and answers. 100% Approved. Graded A Which gain will increase the risk of bioeffects? a. transmit b. receive c. gain d. overall gain - a. transmit Which of the following is considered the memory of an ultrasound instrument? a. pulser b. transducer c. receiver d. beam former e. digital scan converter f. display monitor - e. digital scan converter Spectral broadening suggest: a. laminar flow b. turbulent flow c. flow away from the transducer ...

HAZMAT Operations, Top Exam Questions and answers, 100% Accurate. Absorption (Routes of entry) The process by which the hazardous materials travel through body tissues until they reach the bloodstream. Acid A material with a pH value less than 7. Acute health affects A health problem caused by relatively short exposure periods to a harmful substance that produces observable conditions such as eye irritation, coughing, dizziness, and skin burns. Alpha Particle A positively charged p...

HAZMAT Operations, Top Exam Questions and answers, verified. Absorption (Routes of entry) - -The process by which the hazardous materials travel through body tissues until they reach the bloodstream. Acid - -A material with a pH value less than 7. Acute health affects - -A health problem caused by relatively short exposure periods to a harmful substance that produces observable conditions such as eye irritation, coughing, dizziness, and skin burns. Alpha Particle - -A positively char...

DMSU 220 Exam 1 Questions and answers, 100% Accurate, rated A+ Which one of the following patient positions is best for imaging the spleen? - Right Lateral Decubitus Which of the following transducer movements is the best for a majority of breast ultrasound examinations? - Fan Identify the shape of a curved array transducer image. - Pie The texture of the spleen should be compared with that of the _____________. - Left kidney Flow in the inferior vena cava ___________ in the p...