You're writing a paper on stimulants. You plan to write a section on each of the major stimulants. Which of the following drugs is not a member of the stimulant class of drugs?
a. cocaine c. caffeine
b. nicotine d. alcohol
D
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Angiotensin II acts on the kidney to retain more sodium
a. True b. False Indicate whether the statement is true or false
Planning is important only to individuals and not to organizations.
Answer the following statement true (T) or false (F)
Which of the following two emotions develop about half way through the first year of life?
a. fear and surprise b. sadness and fear c. distress and sadness d. happiness and sadness
Felipe is practicing lifting weights. He picks up a 30-pound weight, and his forearm moves steadily downward as he struggles to hold it. Luckily, biology takes over and his arm eventually pulls the weight up. What process is at work here?
A. Monosynaptic stretch reflexes caused the counteracting muscle firing to take place. B. Beta motor neurons sent a message to Felipe's arm to flex his muscle. C. Polysynaptic reflexes energized contractions in Felipe's upper body. D. The reticular formation relayed messages from the arm to the prefrontal cortex.