The day-night cycle resets the human biological clock when light causes receptors in the retina to direct input to the ____ of the ____

Dr. Johnson is lecturing to a group of medical students. Her lecture focuses on the period beginning around 10 years prior to menopause when hormone production begins to change. She is discussing __________

a) premenopause b) hormone reduction c) climacteric d) perimenopause

To increase objectivity, researchers strive for

a) empiricism b) a correlation. c) ambiguity. d) subjectivity.