Three-Dimensional Echocardiography
Three-Dimensional Echocardiography Martin Ingi Sigurdsson 1. In which of the following patients might a full volume assessment of the left ventricle ejection fraction (LVEF) via gated acquisition be difficult? A….
Optimizing Probe Position and Knobology For Image Acquisition
Optimizing Probe Position and Knobology For Image Acquisition Lydia Chang 1. Which of the following best describes the tilt motion used to optimize image acquisition? A. The transducer remains in…
Doppler Effect and Principles
Doppler Effect and Principles Jan Kasal Chakradhar Venkata 1. Please select the parameters that best match Figure 7.1. Figure 7.1 A. 1—pulse duration, 2—period, 3—pulse repetition period (PRP), 4—amplitude B….
Patient and Ultrasound Machine Positioning, Probe Selection and Orientation, Proper Ultrasound Care
Patient and Ultrasound Machine Positioning, Probe Selection and Orientation, Proper Ultrasound Care Aarti Sarwal 1. A 45-year-old man is undergoing fluid resuscitation and vasopressor administration for suspected septic shock. He…
Physics of Ultrasound Bioeffects
Physics of Ultrasound Bioeffects William P. Mulvoy III 1. A higher mechanical index (MI) increases the likelihood that cavitation will occur. A higher MI is most likely to occur in…
Longitudinal, Lateral, and Temporal Resolution
Longitudinal, Lateral, and Temporal Resolution Michael J. Lanspa 1. Which of the following changes will improve the axial (longitudinal) resolution of an ultrasound image? A. Decrease the image sector depth…
Ultrasound Modes
Ultrasound Modes Christopher R. Tainter Michael Self Cameron Smyres 1. Which of the following ultrasound modes is used to create Figure 5.1? Figure 5.1 A. B-mode B. Color Doppler C….
Ultrasound Propagation Through Tissue
Ultrasound Propagation Through Tissue Molly Flannagan 1. Which of the following is the most significant cause of ultrasound attenuation in diagnostic ultrasonography? A. Thermal absorption B. Specular reflection C. Scattering…
Ultrasound Transducer and System
Ultrasound Transducer and System Christopher R. Tainter Cameron Smyres Michael Self Raghu Seethala 1. A 37-year-old woman who is 34 weeks pregnant presents with acute shortness of breath. In order…
Pulsed-Wave vs. Continuous-Wave Doppler
Pulsed-Wave vs. Continuous-Wave Doppler Chakradhar Venkata Jan Kasal 1. A 25-year-old woman is admitted in septic shock from a suspected urinary source. After a 30 mL/kg intravenous (IV) fluid bolus,…
