The nurse recognizes the potential for stimulation of the patient's CTZ in what circumstances? (Select all that apply.)
A) Stimulation of the back of the throat when examining the oral cavity
B) Excessive stomach distention
C) Increased intracranial pressure
D) Stimulation of stretch receptors in the large bowel
E) When the patient sits up abruptly
A, B, C
Feedback:
Tactile stimulation of the back of the throat, excessive stomach distention, increased intracranial pressure, stimulation of vestibular receptors in the inner ear, and stimulation of stretch receptors in the uterus and bladder are types of stimuli that can activate the CTZ. Stimulating stretch receptors in the large bowel and sitting up abruptly are not activators of the CTZ.
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