Which of the following diagnostic studies uses high-frequency sound waves to produce an image of a patient's internal organs?
A. Positron emission tomography (PET) scan
B. Computed tomography (CT)
C. Magnetic resonance imaging (MRI)
D. Ultrasonography
E. Fluoroscopy
Answer: D
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When treating a channel using the beginning to end technique, the therapist should hold the point for:
a. 30 seconds or longer if the area is robust. a. 10 seconds or less if the area is robust. b. 30 seconds or longer if the area is painful.
Which of the following systems is primarily responsible for the buffering of fixed acids?
a. Ammonia b. HCO3– c. Hb d. Phosphate
Examples of radiation shields include which of the following?
A) Half aprons B) Gonadal shields C) Full aprons D) All of the above
Which of the following is NOT one of the three methods of venipuncture?
A. Vacuum tube method B. Caterpillar method C. Syringe and needle method D. Butterfly method