Which clinical anomaly is described as a bluish gray to purple discoloration resulting from increased levels of reduced hemoglobin?

A(n) ________ device, such as the keyboard and scanner, feeds instructions and data into a computer

a. input b. output c. processing d. software

A scientist quantifies substance A in a flask where chemical reactions are occurring. A plot of the amount of product as a function of time is a straight line with a slope of -0.8 mmol/second. The negative value of the slope indicates what?

A) The amount of substance A in the flask is decreasing over time. B) The amount of substance A in the flask is increasing over time. C) The amount of substance A in the flask remains constant over time. D) None of the above