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
B
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Which of the following types of doors is normally closed and will return to closed position if it is opened and released?
A. Self-closing door B. Manually-closing door C. Automatic closing door D. Mechanical closing door
Which of the following brain waveforms are present during wakefulness? 1. Alpha waves 2. Beta waves 3. Relatively low-voltage, mixed-frequency waves 4. Delta waves
a. 1 and 2 c. 3 and 4 b. 2 and 3 d. 1, 2, and 4