Which of the following is radiation that emerges from a part and contributes to image formation?
the primary beam
scatter radiation
remnant beam
leakage radiation
remnant beam
Rationale: The remnant beam emerges from the patient or the part and contributes to the formation of the image.
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Among federal health policy lobbyists, women are ____
A) roughly equal in numbers to men B) excluded from the most profitable work with pharmaceutical companies C) rarely successful as "hired gun" lobbyists D) limited to middle-manager and lower positions
Which of the following statements about pulse oximetry is? FALSE?
A) Oxygen saturation is the percentage of hemoglobin that is bound with some molecular structure. B) Pulse oximetry values can be expected to decrease within seconds in cases of developing hypoxia. C) Pulse oximetry should be used on all patients with respiratory complaints. D) It may be difficult to obtain a reading in patients experiencing peripheral vasoconstriction.