Transducer - Study guides, Class notes & Summaries

Mock SPI Exam / Ultrasound Transducers 2023/2024 If the aperture increases, the near-zone length ________. a. doubles b. increases c. decreases d. remains unchanged - ANSWER-increases Axial resolution is often normally better than lateral resolution. T/F - ANSWER-True Without compensation, the ultrasound transducer would cause about _________ of the emitted intensity to be reflected at the skin boundary. a. 25% b. 80% c. 10% d. 50% - ANSWER-80% As sound travels, the width...

Ultrafiltration is defined as: - Fluid pushed through the semipermeable membrane If a patient with acute kidney injury (AKI) dialyzes in the outpatient facility, one task of the patient care teammates is to monitor blood pressure and weight closely. Why is this important? - Hypovolemia and hypotensive episodes can cause renal ischemia and can further damage the kidneys. ***The underlying cause of prerenal kidney failure is hypovolemia or poor perfusion. Care must be taken to understa...

A nurse is planning care for a client who is in labor and is to have an amniotomy. Which of the following assessments should the nurse identify as the priority? correct answers Temperature A nurse in a prenatal clinical is caring for a client who reports that her menstrual period is 2 weeks late. The client appears anxious and akss the nurse if she is pregnant. Which of the following responses should the nurse make? correct answers "You can miss your period for several other reasons. Describ...

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...

RN Maternal newborn ati proctored exam questions and answers 100% correct 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 -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 clie...

NR 328 Peds Exam 2 Review Questions Terms in this set (62) The nurse is assessing a child with a cardiac problem. The child's extremities are cool with thready pulses, and urinary output is diminished. This is most suggestive of which of the following? - Decreased contractility Which of the following procedures uses high-frequency sound waves obtained by a transducer to produce an image of cardiac structures? - Echocardiography Brainpower Read More Nursing interventions for the child...

SPI Practice Test Questions With 100% Correct Answers Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - ANS-d. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - ANS-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 ...

Why should the pumps in a lift station not start and stop frequently? Pump in a lift station should not start and stop frequently because frequent motor starts cause excessive wear on equipment and may cause surges in the Wastewater flow. Also, frequent starting will increase power cost. What problems develop in a wet well that is too large? If a wet well is too large, solids will tend to accumulate on the bottom because the wet well will be acting as a settling tank, accumulated solids...

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 ...

A nurse is planning care for a client who is in labor and is to have an amniotomy. Which of the following assessments should the nurse identify as the priority? - Answer- Temperature A nurse in a prenatal clinical is caring for a client who reports that her menstrual period is 2 weeks late. The client appears anxious and akss the nurse if she is pregnant. Which of the following responses should the nurse make? - Answer- "You can miss your period for several other reasons. Describe your typic...