Spl mm Study guides, Class notes & Summaries

ARDMS SPI STUDY GUIDE 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 point PRP is...

Chapter 2 (PRF, PRP, etc.) Questions and accurate, 100% Accurate. Graded A+ Parameters of pulsed wave ultrasound (5) - -PRF (kHz) PRP (msec) PD (sec) SPL (mm) DF (no units, %) PRF definition - -How many times a pulse is repeated in a time frame (# pulse/sec) PRF is determined by - -sound source Can PRF change? - -Yes (depth) PRP definition - -1 on time and 1 off time PRP is determined by - -sound source Can PRP change? - -Yes (depth) PD definition - -On time only ...

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

What is the initial event that occurs when the action potential threshold of a neuron is reached? - Answer- Voltage gated Sodium channels open What does the sodium potassium pump do? - Answer- Pumps K+ into cell and Na out of cell Which of the following has the greatest effect on SSEP Monitoring? -Fentanyl -Diazepam -Pavulon -Sevoflourane - Answer- -Diazepam Which of the following is a barbituate? -Remifentanil -Methohexital -Curare -Nitrous Oxide - Answer- -Methohexital Desf...

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...

CTS Exam Questions and Answers Graded A+ _____ is not a necessary specification for a microphone. Input impedance _____ topology provides the best possible redundancy, but is so expensive that it's rarely used. Fully meshed __________ is how likely the wall and the mounting are to be cut in two. Shear . In a composite video signal, what determines the brightness? Amplitude "Weighting" a sound pressure level measurement accounts for differences in the way _____. humans perceive different f...

ARDMS SPI Study Guide 2023/2024 with complete solutions Continuous wave Doppler has a duty factor of 100% CW Doppler is always transmitting sound making its duty factor 100% The spatial pulse length is defined as: the product of the wavelength and the number of cycles in a pulse? SPL = wavelength x cycles What term and philosophy relates the amount of exposure time for the sonographer and patient during a diagnostic ultrasound examination? ALARA - As Low As Reasonably Achievable What term is de...

Cranial bones - Answer Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). Mental protuberance - Answer chin bone MCA supply of the cerebral cortex - Answer Hand + face/mouth/auditory Cranial nerves - Answer -12 pairs (Mixed fibers: sensory/motor/both). -Emerge @ irregular intervals from the brain. -Nuclei displacement: Motor = medial Sensory = lateral Meckle's Cave - Answer Depression in the medial middle fossa where CN V ganglion sits Low frequency sounds...

Resting membrane potential is created by differences between the inside and outside of the cell in ion concentrations of 1. K+ 2. K+ and Ca++ 3. K+, Na+ and Cl- 4. Na+, Ca++ and Cl- - ANSWER-K+, Na+, and Cl- Excitation of the postsynaptic neuron is caused by the neurotransmitter 1. gamma amino butyric acid 2. glycine 3. para amino butyric acid 4. glutamate - ANSWER-Glutamate Wave III of the BAER is generated by the 1. superior olivary complex 2. inferior colliculus 3. late...

SPI Board Exam Review (GB) 600+ Complete Q&A (2022/2023.) __________ is the reciprocal of period. A. inverse period B. PRP C. frequency D. propagation speed - C. Frequency A bouquet has 30 flowers. The size of the bouquet is decreased by a factor of 3. How many flowers remain? A. 27 B. 0 C. 10 D. 15 - C. 10 A byte is composed of __ bits. A word is composed of ___ bytes. A. 2, 2 B. 8, 2 C. 16, 16 D. 8, 16 - B. 8, 2 (a string of eight bits of computer memory is a byte. Two b...