Principles of Psychopharmacology

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Which of the following best describes the man's initial symptoms of botulism?

He experienced double vision (correct)

He had difficulty breathing

He had a pale face and weak voice

He had a strange taste in his mouth

What did the man do after tasting the asparagus?

He asked his wife to drive him to the hospital

He rinsed his tongue with water (correct)

He immediately threw it away

He swallowed it

What is the main topic of the field of psychopharmacology?

The structure of the nervous system

The effects of drugs on the nervous system (correct)

The study of neurological research centers

The effects of drugs on behavior

Which of the following is NOT considered a drug according to the definition provided in the text?

Neurotransmitters Signup and view all the answers

Which of the following best describes the meaning of the word 'pharmakon'?

Exogenous chemical that alters cell functions Signup and view all the answers

What is the main focus of psychopharmacology?

The effects of drugs on the nervous system and behavior Signup and view all the answers

What are the sites of action of drugs?

Points where drugs interact with cells Signup and view all the answers

Which molecules do drugs of interest to psychopharmacologists bind with in the central nervous system?

All of the above Signup and view all the answers

What does the term 'affinity' refer to in the context of drug effects?

The readiness with which a drug and a molecule join together Signup and view all the answers

What is one of the goals of research by drug companies?

To find chemicals with high affinities for sites of action that produce therapeutic effects Signup and view all the answers

Which route of drug administration is commonly used to treat lung disorders?

Inhalation Signup and view all the answers

Which route of drug administration involves placing drugs beneath the tongue?

Sublingual administration Signup and view all the answers

Which route of drug administration involves injecting drugs directly into the brain or into the cerebrospinal fluid in the brain's ventricular system?

Intracerebral administration Signup and view all the answers

Which route of drug administration involves absorbing drugs directly through the skin?

Topical administration Signup and view all the answers

Which route of drug administration allows for the most rapid effects in the brain?

Intravenous injection Signup and view all the answers

Which factor determines the rate at which a drug reaches sites of action within the brain?

Lipid solubility Signup and view all the answers

Which drug is more lipid soluble, heroin or morphine?

Heroin Signup and view all the answers

What is the best way to measure the effectiveness of a drug?

Plotting a dose-response curve Signup and view all the answers

Which route of administration is the fastest for injecting drugs into laboratory animals?

Intravenous (IV) injection Signup and view all the answers

What is the process by which drugs are absorbed, distributed within the body, metabolized, and excreted called?

Pharmacokinetics Signup and view all the answers

Which section of the chapter discusses the basic principles of psychopharmacology?

The first section Signup and view all the answers

Which molecules must cross several barriers to enter the body and find their way to their sites of action?

Molecules of drugs Signup and view all the answers

Which of the following statements about dose-response curves is true?

The maximum effect of a drug is reached when the dose is increased. Signup and view all the answers

What is the therapeutic index?

The ratio of the toxic dose to the effective dose of a drug. Signup and view all the answers

Why do drugs with the same behavioral effects vary in their effectiveness?

They have different sites of action. Signup and view all the answers

What is the difference between morphine and aspirin in terms of their analgesic effects?

Morphine suppresses the activity of neurons involved in pain perception, while aspirin reduces the production of a chemical involved in transmitting pain information. Signup and view all the answers