Final answer:
Cultural insensitivity, or specifically ethnocentrism, is exhibited by the nurse when she judges the Native American traditional ceremony as 'ridiculous'. This shows a lack of understanding and respect for cultural diversity.
Step-by-step explanation:
The nurse's comment is an example of cultural insensitivity, or more specifically, ethnocentrism. This is a term used in sociology to describe the act of judging another's culture based on the standards and values of one's own culture. In this case, the nurse views the Native American chief's traditional ceremony - including feathers and chanting over his newborn son - as 'ridiculous', which shows a lack of understanding and respect for cultural diversity.
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