Which of the following statements is true (only one answer is correct):
A. a) A CT pulmonary angiogram is the most accurate method to diagnose pulmonary embolism.
B. b) A chest CT scan is the only imaging tool used to diagnose heart diseases.
C. c) CT cannot be used for diagnosis of coronary artery calcification.
查看答案
A significant advantage of ultrasound in skeletal muscle imaging is
A. It shows the details of the bone
B. It has only a small portion of ionizing radiation
C. It can display soft tissue movement in real time
A bright reflector with rear artifacts in the gallbladder will be
A. Gallstones
B. Polyp
Cyst
In an abdominal ultrasound, why is it important to visualize the common bile duct?
A. Because small stones will gather here
Because it shows that the patient has fasted
C. To show that it was not removed during the operation
The frequency of ultrasound used for medical diagnosis is about
A. 2-20Hz
B. 2-20KHz
C. 2-20MHz
微信支付 
支付宝支付