The previous imaging results show that the fifth-level intervertebral disc herniated and compressed into the spinal cord. Gravity erodes the body of this disc. After two days of scanning, he felt breathless. Which of the following checks will be most useful to him:
A. Brain MRI
B. Chest X-ray scan
C. Abdominal ultrasound
D. Whole body PET scan
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What kind of imaging should he perform to check the cervical spine
A. X-ray plain film
B. MRI scan
CT scan
D. PET scan
The diameter of the parietal bone is used to estimate the age of the fetus. This measurement measures
A. Head width
B. Length of the head
C. Ratio of width to length
The energy of the X-ray is
A. a) About the same as infrared, which is why it causes burns.
B. b) The lowest energy EM radiation known
C. c) High enough to cause damage to the DNA in cells
D. d) Similar to the ultraviolet light that causes sunburn
At what speed do radio waves travel?
A. a) The same speed as light.
B. b) The same speed as sound.
C. c) The same speed as sound and light.
D. d) Faster speed than light.
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