Reverberation - Study guides, Revision notes & Summaries

D. A Sonographer with Sonography Canada Generalist and Vascular certification is performing an abdominal ultrasound in the ICU. The referring physician asks the Sonographer to investigate the heart for left ventricular hypertrophy. How should the Sonographer proceed? A. Angle the transducer towards the heart, and tell the physician the heart looks fine B. Explain to the referring physician that they are not credentialed in cardiac sonography but that they will "take a look" and make an educ...

Sonography Practice Core 2023/24 D. A Sonographer with Sonography Canada Generalist and Vascular certification is performing an abdominal ultrasound in the ICU. The referring physician asks the Sonographer to investigate the heart for left ventricular hypertrophy. How should the Sonographer proceed? A. Angle the transducer towards the heart, and tell the physician the heart looks fine B. Explain to the referring physician that they are not credentialed in cardiac sonography but that they...

What BEST describes the effect on the patient if you continue to lower a hearing instrument's kneepoint and increase the compression ratio? Choose ALL that apply. A. a lot of gain for soft sounds B. very few speech cues in a crowded party C. little or no gain for moderately loud sounds D. too much amplification in a crowded party - ANSWER-A,B, & C What frequencies would be MOST affected by a head cold? - ANSWER-Low frequencies. 250,500 What is found on the bottom of the ear canal? - ...

Hearing Aid Dispenser Written Exam Latest Update Graded A+ db loss of a perforation of TM 10-15db loss procedure done to fix perforation tympanoplasty or myringoplasty monomeric spots looks like a hole in TM, but reflects light like a mirror. holes that have healed. aka "mirror membranes" average dimentions of an adult eardrum 2.3-2.9cm in length, .7cm in diameters pars tensa lower 4/5 of TM and tight pars flaccida upper 1/5 of TM and flaccid otis externa "swimmers ea...

Reducing the likelihood of bioeffects from acoustic energy is the mission of the: A. Nyquist limit B. Reynolds number C. Huygens principle D. ALARA principle E. Poiseuille principle -answer- D. ALARA principle The number of cycles in a pulse directly related to the: A. Duty factor B. SPL C. operating frequency D. PRF E. propagation speed of the medium -answer- B. SPL The Doppler shift frequency is proportional to the: A. Cosine values B. Doppler angle C. Operat...

WELL AP v2 Exam 2 Questions & Answers 2024/2025 Replacing areas of _____ surfaces in a space with absorptive materials can reduce reflected sound energy and better facilitate acoustical privacy, or conversely, improve speech projection. Choose one a) cold b) warm c) soft d) hard e) angled f) jagged - ANSWERSd) hard Feedback: According to WELL, replacing areas of hard surfaces in a space with absorptive materials can reduce reflected sound energy and better facilitate acoustical...

a patient presents for an anatomy scan of a 20wk gestation. she states that she has a history or a prior pregnancy with an atrioventricular septal defect. what is the best way to evaluate this fetus? a. trans view of the fetal head with the beam perpendicular to the parietal bones b. coronal view of chest c. trans view of the fetal chest at the level of the 4 ch heart - c. trans view of the chest at the level of the 4ch heart which of the following is a failure of fusion defect of the uter...

A tumor that consists of tissue from all three germ cell layers A. Pheochromocytoma B. Hamartoma C. Adrenal reat tumor D. Teratoma answer is: - D. Teratoma A tumor that is of similar echo-texture to normal liver tissue is discovered in the liver of an asymptomatic patient. What is the echogenicity of the tumor? A. Echogenic B. Hypoechoic C Isoechoic D. Hypodense answer is: - C. Isoechoic A type of reverberation artifact caused by several small, highly reflective interfaces, such as ma...

Audiology Praxis Practice Exam Questions and Answers All Correct What microphone has the delay ratio of 1 and has the least sensitivity to sounds from behind? - Answer Cardioid What microphone has a delay ratio of 0 and is least sensitive to sounds on the sides? - Answer Bi-Directional What microphone is most efficient directionally and has max reduction in the back corners? - Answer Hypercardioid What is the average gain for a mixed hearing loss? - Answer 1/2 the SNHL plus thre...

TWU BIOLOGY 242 Lab Midterm Prep (Definitions) Latest Update 100% Correct What is a cluster of axons referred to as? A. Nerve What is the outermost sheath covering the entire nerve? A. Epineurium Describe the physical characteristics of the Epineurium. A. It is a relatively thick layer of connective tissue that binds and supports the nerve. What is the term for the covering that wraps around a bundle of axons? A. Perineurium What surrounds each individual nerve fiber? ...