Skeletal muscles are:
A. involuntary smooth muscles
B. voluntary striated muscles
C. involuntary striated muscles
D. voluntary smooth muscles
b
Rationale: Skeletal muscles are voluntary, striated muscles. They are controlled by the central nervous system.
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Which of these statements made by another crew member would cause you to disregard the use of continuous positive airway pressure (CPAP) for a patient?
A) "His respirations are agonal and slow." B) "He had bleeding stomach ulcers two years ago." C) "His SpO2 has fallen from 92% to 88%." D) "His blood pressure is 186/108 mmHg."
Isolation rooms and the use of HEPA filters and ultraviolet light are considered
A) personal protective equipment. B) engineering controls. C) work practice controls. D) biosafety controls.
The general shift rule is adjusted when evaluating radiographs of the spines or extremities. Instead, for every _______ inch of shift observed represents 10° of beam angulation, body rotation, tilt, flexion, or extension.
A. 
B. 1
C. 2
D. 4
Which of the following is characteristic of nuclear medicine?
A. The patient generally has to be NPO for 24 hours prior to the procedure. B. It involves a combination of nonionizing radiation and a magnetic field, and provides images based on the water content of tissues. C. The procedure takes about 15 minutes. D. The technician uses a scanner to detect radiation from the radioisotope and converts it into an image. E. The patient is exposed to high doses of radiation.