Some of the common causes of Hypoxemia may include: 1  High altitudes. 2  During anaesthesia. 3  Acute respiratory failure. 4  Chronic obstructive pulmonary disease. 5  Muscle weakness. 6  Right to left shunts. 7  Ventilation perfusion inequality. 8  more causes...Â».
Turning Technologies ResponseCard NXT provides all the features of RF response systems. Responsecard NXT clicker has the capability to respond multiple choice, multiple response, numeric response, short answer and essay type questions. ResponseCard NXT is the best suited for self-paced test mode for individual performance analysis and assessment.
It allows one to look around in one's virtual world, browse menus, etc. For example, many flight simulators use it to switch the player's views, while other games sometimes use it as a substitute for the D-pad. Computer gamepads with both an analogue stick and a D-pad usually assign POV switch scancodes to the latter. The term hat switch is a shortening of the term Coolie hat switch, named for the similar-looking headgear.