Atelectasis development of atelectasis include: type of surgery (thoracic, cardiopulmonary surgeries), use of muscle relaxation, obesity, high oxygen, the lower lung segments. Factors not associated with the development of atelectasis include: age, presence of COPD or asthma, and type of anesthetic. In the early 1950s, in UK aviation medicine, the condition "acceleration atelectasis" was given the name "Hunter Lung" due to its prevalence in pilots of the transonic fighter jet the Hawker Hunter, which used a 100% oxygen schedule. Clinically significant atelectasis is generally visible on chest X-ray; findings can include lung opacification and/or loss of lung volume. Post-surgical atelectasis will
Body-to-body communication Culture can influence nonverbal communication in many ways. The same gestures in different countries can have distinct meaning. For example, the American A-OK sign can have an obscene meaning in many nations in Europe, having sexual implications. Facial expression is another mean of nonverbal communication that culture affects. Humans have the ability to express emotions through facial expressions. "Cultural display rules" are learned during childhood and plays a big part on how people from different cultures manage and modify their emotional expressions depending on the social situation that they are in. In an experiment done my Ekman and Friesen; results