What term is used to refer to the process of electrical discharge and the flow of electrical activity?

A 40-year-old woman presents with multiple melanotic macules of her lips and buccal mucosa. If the patient is found to have adrenal insufficiency, which of the following conditions should be considered?

a. von Recklinghausen's disease of skin b. McCune-Albright syndrome c. Addison's disease d. Peutz-Jeghers syndrome e. None of the above

A(n) ____________________ has a non-invasive probe with two light-emitting diodes (LED) that pass red (600 to 750 nm) and infrared (850 to 1,000 nm) light through a capillary bed to a photodiode across from the LED.

Fill in the blank(s) with the appropriate word(s).