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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Question
Chapter 24, Problem 20RQ
To determine
The biochemical which is responsible for placebo effect.
Expert Solution & Answer
Answer to Problem 20RQ
Endorphins are responsible for the placebo effect.
Explanation of Solution
Through the placebo effect, it is the patient’s belief in the effectiveness of the medicine rather than the medicine itself that leads to pain relief. Endorphins are also implicated in the placebo effect in which patients experience reduction in the pain after taking what they believe it as a drug but it is actually some sugar pills, if sugar pills are replace with the actual drug it binds with the receptor sites. Hence, placebo effect vanishes.
Conclusion:
Therefore, endorphins are a drug responsible for the placebo effect.
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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