The pw signal that is - Study guides, Class notes & Summaries

SPI Practice Questions with Comprehensive Answers Which AR What is the Nyquist limit if a pulsed doppler instrument has a pulse repetition frequency of 16 khz? - ANSWER8 khz - 1/2 prf What does coded excitation improve in addition to penetration? – ANSWER lateral resolution What does coded excitation improve? – ANSWER Improves penetration, axial resolution, spatial resolution and contrast resolution What is the potential affect of increasing prf? – ANSWER depth ambiguity ...

Exam (elaborations) TEST BANK FOR Antennas for all Applications By John D. Kraus (Solution Manual) Table of Contents Preface iii Problem Solutions: Chapter 2. Antenna Basics.............................................................................................1 Chapter 3. The Antenna Family...................................................................................17 Chapter 4. Point Sources .........................................................................................

ARDMS Exam 69 Questions with Verified Answers Tendonitis of the thumb - CORRECT ANSWER de Quervain's disease - Gripping of transducer What is trigger finger? - CORRECT ANSWER inflammation of tendon sheath in the finger due to repeated gripping of the transducer What does the FDA do for ultrasound? - CORRECT ANSWER Regulates instruments according to application, output intensities, and TI/MI What does the AIUM recommend for ultrasound? - CORRECT ANSWER Prudent use of US in clinica...

ARDMS Review Sonography basics 62 Questions with Verified Answers _________ is the branch of physics thst deals with sound & sound waves - CORRECT ANSWER Acoustics Ultasound frequency is > than? - CORRECT ANSWER > 20kHz Diagnostic ultrasound is: 1-20MHz ________ is defined as an imaging technique used to visualize soft tissue of the body by recording the returning reflection of waves - CORRECT ANSWER Sonography AIUM stands for? - CORRECT ANSWER American Institute of Ultrasoun...

low cardiac output = high cardiac output = - ANSWER-low heart rate, low output high heart rate, high output low peripheral resistance = high peripheral resistance = - ANSWER-high flow rate low flow rate The PW signal that is displayed comes from? - ANSWER-The part it is supplying thicker blood flow moves more slowly (high resistance =) - ANSWER-viscosity (low flow, increased in pressure) increased hematocrit (volume of red blood cells) = - ANSWER-decreased flow Causes of hi...

White matter consists of what type of fiber tracts? - ANSWER-Axon of nerve fibers In the visual pathway, fibers anterior to the optic chiasm are called - ANSWER-Optic Nerves If a neurologist suspects nerve damage in a PTs neurological exam, he may order - ANSWER-Nerve conduction/EMG excitatory neurotransmitter - ANSWER-Glutamate The trigeminal nerve can be monitored from which muscle? - ANSWER-Masseter Damage to which structure would most likely result in motor deficits - ANSWER-L...

ECET105 – Digital Fundamentals Homework Assignment #1 Name _ 1. Does a typical computer have any analog outputs? If so, what are they? Yes, most computers typically use speakers to produce sound output which uses analog output. 2. List three advantages of digital signal representation as compared to their analog representation. Three advantages of digital signal representations over analog are that it is not effected by external noise as bad as analog, uses less bandwidth, and you can accompli...