Which of the following types of diagnostic images uses the injection of a radioactive substance called a tracer as part of the imaging process?
What will be an ideal response?
PET
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It can sometimes be difficult to determine whether someone who is showing unusual behavior is having a psychological emergency or is showing an altered level of consciousness due to a physical issue. Which of the following statements are true?
1. Consider patients who are exhibiting crisis or unusual behavior to be having an altered mental status from a nonpsychiatric cause until proven otherwise. 2. Many medical and traumatic conditions are likely to alter a patient's behavior. 3. Lack of oxygen may cause restlessness and confusion, cyanosis (blue or gray skin), and altered mental status. 4. Stroke or inadequate blood to the brain may cause confusion or dizziness and what appears to be erratic behavior. A) 1, 3, 4 B) 1, 2, 3, 4 C) 1, 2, 3 D) 1, 2
Firefighters should practice ___ in order to be warned of extreme fire behavior or structural collapse
A. situational awareness B. forcible entry techniques C. general search methods D. air management techniques
During the inflammatory response, swelling is due to
A) release of plasma from the vessels. B) the accumulation of red blood cells. C) biochemical activity of microorganisms. D) the accumulation of white blood cells.
A condition that occurs when the intraocular pressure of the eye increases and interferes with vision is ____
A) cataracts B) glaucoma C) hyperopia D) hypertension