What is a transducer - Study guides, Class notes & Summaries

Ultrasound waves that are traveling through a medium consist of a. electromagnetic and radio frequencies b. compressions and refractions c. electromagnetic and ionizing frequencies d. compressions and rarefactions - ️️d. What is the difference between audible sound and ultrasound? a. audible sound waves can travel through a vacuum b. audible sound has a higher frequency c. ultrasound has a higher frequency d. ultrasound waves are ionizing - ️️c. Damping in a transducer a. redu...

Exam 1: NSG 430/ NSG430 (New 2024/ 2025 Update) Adult Health Nursing II Complete Guide| Qs & As | 100% Correct| Grade A (Verified Answers)- GCU Q: purpose of continuous flush irrigation in pressure monitoring Answer: maintains line patency there is no fluid running in an open artery Q: assessment for an A line Answer: allen test ensure the a line does not obstruct the perfusion in the hand Q: transducer Answer: translates waveform Q: phlebostatic axis ...

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...

ARDMS Abdomen Davies Questions and Answers 100% Pass You are scanning a patient with a known mass in the left medial segment of the liver. What anatomic landmark can you use to identify the left medial segment separate from the right anterior segment of the liver? Middle Hepatic Vein Which organ is the largest visceral organ in the body ? Liver Where is the major portion of the liver, the right lobe located? in the right upper quadrant of the abdomen What organ is covered in large part by th...

transducer Electronic pulses from the pulser are applied to the ? amplification, compensation, compression, and demodulation What functions are preformed by the receiver? the ratio of the maximum to the minimum intensity that can be displayed The dynamic range of an ultrasound system is described as? frequency divided by bandwidth How is the QF of a transducer determined? PZT The most common man-made crystal is : travel time and speed Which variables must be known in order to calculat...

Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - d. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse and increases penetration c. causes poor axial and lateral resolution ...

ATI MATERNAL NEWBORN PROCTORED EXAM REVIEW (2022/2023) A nurse is caring for a client who is at 32 wks gestation and is experiencing preterm labor. What meds should the nurse plan to administer? a. misoprostol b. betamethasone c. poractant alfa d. methylergonovine Correct Answer: b. betamethasone A nurse at a prenatal clinic is caring for a client who suspects she may be pregnant and asks the nurse how the provider will confirm her pregnancy. The nurse should inform the client that what...

Which of the following factors can have a negative effect on uterine blood flow? a. Hypertension b. Epidural c. Hemorrhage d. Diabetes e. All of the above - e. All of the above Stimulating the vagus nerve typically produces: a. A decrease in the heart rate b. An increase in the heart rate c. An increase in stroke volume d. No change - a. A decrease in the heart rate The vagus nerve begins maturation 26 to 28 weeks. Its dominance results in what effect to the FHR baseline? a. Increas...

The main advantage of a curvilinear transducer over a vector transducer is: A. the ability to perform CW Doppler with 2D imaging B. the smaller footprint C. the wider near field D. the ability to scan at increased frame rates - the wider near field Which of the following describes the primary advantage of a 1.5D array over a 1D array? A. the 1.5D array eliminates the need for a stand-off pad for superficial imaging B. the 1.5D array can produce a trapezoid field of view while the 1D array...

CEFM Practice Test Questions and Answers 100% Pass Which of the following fetal heart rate patterns is considered reassuring? Moderate variability with accelerations - Absent variability with late decelerations - Bradycardia with no variability - Tachycardia with recurrent variable decelerations What is the primary cause of early decelerations seen on electronic fetal monitoring? Fetal head compression - Uteroplacental insufficiency - Umbilical cord compression - Maternal hypo...