Very young children will start verbalizing repetitive sounds (for example "da da da da") at about six months of age. This communication pattern is called __________

The validity scales on the MMPI-2

a. are designed to detect habitual dishonesty. b. identify antisocial or delinquent individuals. c. detect unconscious motives the test taker might normally lie about. d. detect attempts to make oneself look good or bad.

Potassium ions will exit a neuron during a resting potential through open channels due to:

a. electrostatic attraction. b. a concentration gradient. c. sodium–potassium pump activity. d. hyperpolarization.