A hormone is a chemical that is ____.
A. secreted by a gland to the outside world
B. conveyed by the blood to other organs, whose activity it influences
C. capable of activating or inhibiting muscle fibers
D. a feedback message from the postsynaptic neuron to the presynaptic neuron
Answer: B
You might also like to view...
In a laboratory, smokers are asked to "drive" using a computerized driving simulator equipped with a stick shift and a gas pedal
The objective is to maximize the distance covered by driving as fast as possible on a winding road while avoiding rear-end collisions. Some of the participants smoke a real cigarette immediately before climbing into the driver's seat. Others smoke a fake cigarette without nicotine. You are interested in comparing how many collisions the two groups have. In this study, those who receive the cigarette without nicotine comprise the ___________ group. a) control b) extraneous c) experimental d) correlational
When psychological researchers are ready to put their hypotheses to the test, they rely on
a. intuition. b. the scientific method. c. common sense. d. subjective judgments.
When we record the ___ of an auditory neuron, we note that each neuron has a single primary frequency of maximal responsiveness; activity decreases with distance from the primary frequency
a. sensitivity map b. Doppler shift c. tuning curve d. time of arrival difference
If a person fails to develop a sense of integrity and self-respect in later adulthood, feelings of which of the following tend to result?
a. despair b. isolation c. mistrust d. stagnation