What is signaled by nerve growth factor (NGF)?
A. That a target cell has "accepted" an axon
B. Which target cell a growing axon should connect with
C. That axons should elongate as the body grows bigger
D. The need for new neurons to form in brain areas that are lacking in neurons
Answer: A
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Which disorder is associated with a pervasive feeling of sadness, irritability, low self-esteem, poor sleep, and difficulty concentrating?
a. anxiety b. depression c. drug addiction d. somatosensory disorder
Answer the following statements true (T) or false (F)
1. OxyContin is a narcotic 2. Morphine mimics the body's endogenous opioids, which are neurotransmitters that alleviate pain 3. Heroin and codeine are both opiate drugs 4. The drugs that produce the most extreme alterations of consciousness are narcotics such as heroin 5. Mescaline comes from the peyote cactus
The groups of people who live among those who are ________ may be more likely to survive than those people who live among groups of people who are ________. This idea is referred to as ________
a. selfless; selfish; altruism b. selfish; selfless; natural selection c. selfless; selfish; group selection d. selfish; selfless; altruism
William experienced symptoms of sudden heart palpitations, feelings of choking, dizziness, and intense fear, occurring without warning. Which of the following would be an appropriate component of an intervention for his problem?
a) Cognitive therapy b) Relaxation training c) Encouraging him to experience panic symptoms in the office d) All of the above choices are correct