Question

6)

How does physical dependence differ from psychological dependence?

a. ​A psychological dependence causes problems in the person’s life.

b. ​A physical dependence produces a strong drive to want the substance.

c. ​With a physical dependence, quitting leads to withdrawal symptoms.

d.

​A physical dependence means that the substance increases release of dopamine.

10)

Why is it difficult to interpret results showing brain abnormalities in people with schizophrenia?​

a. ​The abnormalities include the structures of both neurons and synapses.

b. ​Most of the abnormalities are in brain areas with functions that are currently unknown.

c. ​Many people with schizophrenia abuse drugs that could affect the brain.

d.

​Some of the abnormalities appear to have been present since an early age.

11)

What procedure is used in the most effective treatment for phobia?​

a. ​Prolonged separation from the feared object

b. ​Changes in diet and sleeping habits

c. ​Probing the unconscious memories behind the fear

d.

​Gradual exposure to the feared object

15)

What, if anything, differs between potentially addictive substances and those that are not addictive?

a. Addictive substances are insoluble in water.

b. Addictive substances have a negative electrical charge.

c. There is no dependable distinction between addictive and nonaddictive substances.

d. Addictive substances are chemically similar to either dopamine or serotonin.

Answer 1

Answer

6. The correct answer is - C [With a physical dependence, quitting leads to withdrawal symptoms]

In Physical Dependence, the drug is used in order to avoid withdrawal symptoms. If the drug is not taken
Withdrawal, Abstinence syndrome starts to develop. The difference between physical and psychological development is that in physical dependence, quitting leads to withdrawal symptoms whereas, In Psychological dependence, the motivation to use a drug is based on the craving for the pleasurable effects, i.e. Positive reinforcement, Negative reinforcement.