Unit 3 - LAB2 - Physiological Addiction (SMOKING) Flashcards
What are the two biological explanations of smoking addiction?
Brain neurochemical
Genetics
What is the main addictive chemical in cigarettes?
Nicotine
What gets released from the adrenal glands?
Adrenaline
Nicotine stimulates the brain to release ….
Adrenaline
Where is adrenaline released from?
Adrenal Glands
Adrenaline leads to what biological changes?
Increased pulse rate and blood pressure
Martika smokes a cigarette. What changes will occur in her brain
Dopamine is released
Leading to pleasure
making her want to smoke again
Which neurotransmitter is released due to nicotine?
Dopamine
Dopamine leads to which changes?
Reduce stress and increase feelings of pleasure
What side effects of nicotine are there?
Headaches and dizziness
What is the gene linked to addiction?
DRD2
Initiation: People begin to smoke because ..
It boosts mood and reduces irritability by stimulating dopamine.
Lucas is a heavy smoker. Lucas is hard to work with in the hour before lunch because he gets angry easily and seems quite sad. How will smoking help Lucas?
Boost his mood
Make him less irritable
Stimulating dopamine can boost … and reduce …
Boost mood
Reduce Irritability
Dopamine activate the brain’s
reward pathway
Smoking has both a …
stimulating and calming effect.
Genetics argues a person has a … to addiction.
Predisposition
What is it called when more of a drug is needed to obtain the same effect?
Tolerance
What is tolerance?
Where more of a drug is needed to obtain the same effect.
Kylie started smoking 5 cigarettes a day. One year on she is smoking 20 cigarettes a day. Why is this?
Tolerance - Kylie needs to smoke more to feel the same benefit