#1
Which of the following structures produces sound waves in diagnostic medical sonography?
Transducer
Catheter
Endoscope
Stethoscope
#2
What does the term 'echogenicity' refer to in diagnostic medical sonography?
The ability of a structure to produce echoes
The ability of a structure to absorb sound waves
The speed of sound waves through a structure
The pattern of blood flow in a structure
#3
Which of the following is NOT a type of ultrasound transducer?
Linear array
Convex array
Radial array
Phased array
#4
What is the typical frequency range of ultrasound waves used in medical imaging?
1-10 Hz
20-20,000 Hz
1-10 MHz
20-20,000 MHz
#5
Which anatomical structure is primarily visualized during a renal ultrasound?
#6
Which imaging modality is often used in conjunction with ultrasound to enhance diagnostic accuracy?
Magnetic Resonance Imaging (MRI)
Computed Tomography (CT)
Positron Emission Tomography (PET)
X-ray
#7
What is the purpose of Doppler ultrasound in medical imaging?
To evaluate the internal structure of organs
To measure blood flow velocity
To assess metabolic activity in tissues
To visualize fetal development
#8
What is the main advantage of 3D ultrasound imaging over 2D ultrasound?
Better visualization of fluid-filled structures
Faster scanning time
Ability to reconstruct volumetric images
Higher resolution images
#9
Which of the following is a potential complication of contrast-enhanced ultrasound?
Allergic reaction
Hypotension
Hemorrhage
Respiratory depression
#10
What is the main advantage of using ultrasound contrast agents in imaging?
Reduced patient discomfort
Improved resolution of soft tissues
Enhanced visualization of blood flow
Decreased scanning time
#11
In obstetric ultrasound, what does the acronym 'BPD' typically refer to?
Biophysical profile
Biparietal diameter
Brachial plexus diameter
Blood pressure deviation
#12
What does the term 'sonoelastography' refer to in diagnostic medical sonography?
Imaging technique for assessing tissue stiffness
Visualization of blood flow using color Doppler
Measurement of tissue temperature using ultrasound
Evaluation of tissue vascularity using contrast agents
#13
Which of the following conditions is commonly diagnosed using transvaginal ultrasound?
Cholecystitis
Appendicitis
Ovarian cysts
Pleural effusion
#14
In obstetric ultrasound, what does the term 'AC' typically refer to?
Amniotic cavity
Abdominal circumference
Aortic circumference
Anterior cortex
#15
What does the term 'sonohysterography' refer to in diagnostic medical sonography?
Visualization of the fallopian tubes
Assessment of uterine fibroids
Imaging of the placenta
Evaluation of the prostate gland