Medical physicists use ionization chambers connected to electrometers to perform the annual standard measurements required by state, federal, and health care accreditation organizations for radiographic and fluoroscopic devices. These annual measurements include
1. x-ray output in Gy or mGy.
2. fluoroscopic radiation entrance rates in mSv/min.
3. kVp setting accuracy.
4. exposure time exactness.
5. half-value layers, or beam quality
a. 1, 2, and 3 only
b. 1, 3, and 4 only
c. 2, 3, and 5 only
d. 1, 2, 3, 4, and 5
d. 1, 2, 3, 4, and 5
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Safety systems for medical gases are recommended and provided by:
a. DOT. b. CGA. c. FDA. d. National Fire Protection Association (NFPA).
What is the first thing to do when a hose bursts?
A. turn it over B. recharge the line C. shut down the hoseline D. remove the burst section
Subacute psycho-organic syndrome
An unrestrained patient is sitting in his car after an automobile crash. He is conscious and alert, has no visible trauma, and is complaining of neck and back pain. Before removing him from his car, you should:
A. apply a cervical collar and immobilize him with a vest-style device. B. slide a scoop stretcher under his buttocks and rotate him laterally. C. maintain manual stabilization of his head and grasp him by the clothes. D. perform a detailed head-to-toe assessment and apply a cervical collar.