Chapter 2 quiz part A

When someone uses a drug, the new brain takes over

False

Which of the following are functions of the old brain? #1 basic emotions (anger,fear,hunger,lust) #2 imprinting of survival memories #3 regulating respiration, heartbeat, and body temperature #4 planning and mapping

Functions 1,2 and 3 only

Which of the following are signs of addiction

There is continued use despite experiencing physical or psychological problems and consequences

A persons level of emotional and physical strsss can increase the ability of psychoactive drugs to cross the blood-brain barrier

True

The central nervous system is composed of the spinal cord and the brain

True

The emotional center of the brain that is activated when a person with an addiction sees a person,place,or thing that reminds him of their addiction (e.g. needle,slot machine, white powder) is called the ...

Amygdala

The progression from abuse to addiction is most influenced by

Compulsion

The name of the primary document that is used in the United States to assess whether a person has a substance-related so order is called the

Diagnostic statistical manual

Psychoactive drugs have which of the following effects on the nervous system? #1 alter information sent to the brain from the environment #2 disrupt messages sent from the CNS to parts of the body #3 disrupt thinking #4 alter the way in which neurotransmitters normally function

Effects 1,2,3 and 4

The most rapid route of administering a drug to teach the brain is intravenously

False

Which statement is true regarding intravenous drug use ?

Intravenous drug use is the most dangerous method because it bypasses the body's natural defenses

Synaptic plasticity in response to psychoactive drugs can result in which of the following ? #1 increase in the. Umber of available neurotransmitters #2 decrease in the number of available neurotransmitters #3 increase in the number of receptors and receptor sites #4 the ability of the synapse to change in strength and function when the pathway is overused or underused

Results 1,2,3 and 4 only

Which of the following statements are true about alterations to the body's normal balance (homeostasis)? #1 homeostasis is thrown off when the human body is continually challenged by stressful events #2 the use of psychoactive drugs disrupts homeostasis #3 the body adapts through allostasis #4 the body strives to adapt through synaptic plasticity and neurotransmitter alterations

Statements 1,2,3 and 4

Cross-tolerance is defined as

When a person develops tolerance to other , similar drugs in the same category (e.g. two or more depressants such as heroin and morphine)

Using drugs to replace,supplement , or counterbalance the effects of a persons drug of choice known as

Polydrug use

Which of the following physical and chemical changes in the body are signs that indicate addiction to alcohol or other drug ? #1 the user develops tolerance and needs more of the drug to feel an effect #2 the user develops intolerance #3 the user develops tissue dependence and needs to use the drug just to feel normal #4 after not using the drug for a period of time, the person experiences withdrawal symptoms

Statements 1,3 and 4 only

The physical, mental, and emotional effects a person experiences from taking psychoactive drugs are caused by the modification or mimicking of the neurotransmitters function

True