Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Concept explainers
Question
Chapter 24, Problem 13RQ
To determine
The difference between psychological dependence and physical dependence
Expert Solution & Answer
Answer to Problem 13RQ
Psychological dependence is an addiction of drugs and physical dependence is a need to withdrawal symptoms.
Explanation of Solution
Psychological dependence is to continue the use of drug, this is also known as addiction. However Physical dependence is a need of body to cure symptoms.
The continuous use of drug leads to worsening of nervous system which increases the stimulatory action, to deal with this body needs to create more depressant receptor sites for neurotransmitter, now the body wants to more dose hence even more receptor sites are created. To compensate these receptor sites, natural dopamine and norepinephrine are insufficient and body feels psychological depression.
Example- if one’s body is taking a cough syrup to cure cough then it is a physical dependence but when the body is continued with this syrup to relax brain after the symptoms have cured then body is addicted and want to relax brain so this is Psychological dependence.
Conclusion:
Therefore, psychological dependence is a strong desire of mind and physical dependence is a need to cure.
Chapter 24 Solutions
Conceptual Physical Science Explorations
Ch. 24 - What are the three origins of drugs?Ch. 24 - Are a drugs side effects necessarily bad?Ch. 24 - What is synergistic effect?Ch. 24 - In the lock-and-key-model, is a drug viewed as the...Ch. 24 - What holds a drug to its receptor site?Ch. 24 - Prob. 6RQCh. 24 - How does penicillin G cure bacterial infection?Ch. 24 - How does a neuron maintain an electric potential...Ch. 24 - Prob. 9RQCh. 24 - Prob. 10RQ
Ch. 24 - Prob. 11RQCh. 24 - What is the role of GABA in the nervous system?Ch. 24 - Prob. 13RQCh. 24 - Prob. 14RQCh. 24 - Prob. 15RQCh. 24 - Prob. 16RQCh. 24 - What is an anesthetic?Ch. 24 - What is an analgesic?Ch. 24 - Prob. 19RQCh. 24 - Prob. 20RQCh. 24 - Aspirin can cure a headache, but when you pop an...Ch. 24 - Which is better for you:a drug that is a natural...Ch. 24 - When is drug overdose most likely to happen?Ch. 24 - How does chemotherapy work to fight a disease or...Ch. 24 - Prob. 5TECh. 24 - Would formulating a sulfa drug with PABA be likely...Ch. 24 - Prob. 7TECh. 24 - What is an advantage of synaptic clefts between...Ch. 24 - Prob. 9TECh. 24 - How is a drug addicts addiction similar to our...Ch. 24 - When a neuron is at rest there is a tiny electric...Ch. 24 - What flushes back into a neuron as a nerve impulse...Ch. 24 - Prob. 13TECh. 24 - Why do heavy drinkers have greater tolerance for...Ch. 24 - An excess of which of the neurotransmitters...Ch. 24 - Nicotine solutions are available from lawn and...Ch. 24 - A variety of gaseous compounds behave as general...Ch. 24 - How might the structure of benzocaine be modified...Ch. 24 - Prob. 19TECh. 24 - Prob. 20TECh. 24 - Which of the following is true about a medicine?...Ch. 24 - Which of the following would be an example of a...Ch. 24 - What are side effects? (a) They are a multiplying...Ch. 24 - Which of the following would not be part of the...Ch. 24 - Prob. 5RATCh. 24 - How is a set of neurons different from a wire...Ch. 24 - Prob. 7RATCh. 24 - Prob. 8RATCh. 24 - What is the cause of physical pain? (a) Rapid...Ch. 24 - Prob. 10RAT
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