Psychopharmacology; Focused on Chapter 4 Test Exam Review Questions with all Answers verified for accuracy Updated 2024/2025
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Psychopharmacology
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Psychopharmacology
Psychopharmacology; Focused on Chapter 4 Test Exam Review Questions with all Answers verified for accuracy Updated 2024/2025
Psychopharmacology - correct answer the study of the effects of drugs on the nervous system and on behavior.
Drug effect - correct answer the changes a drug produces in...
Psychopharmacology; Focused on
Chapter 4 Test Exam Review Questions
with all Answers verified for accuracy
Updated 2024/2025
Psychopharmacology - correct answer the study of the effects of drugs on the nervous
system and on behavior.
Drug effect - correct answer the changes a drug produces in an animal's physiological
processes and behavior.
Site of action - correct answer A location at which molecules of drugs interact with
molecules located on or in cells of the body, thus affecting some biochemical processes
of these cells.
Pharmacokinetics - correct answer the process by which drugs are absorbed,
distributed within the body, metabolized, and excreted.
Molecules of drugs must cross several barriers to enter the body and find their way to
their sites of action. Some molecules pass through these barriers easily and quickly;
others do so very slowly.
Intraperitoneal injection (IP) - correct answer Injection of a substance into the
peritoneal cavity-- the space that surrounds the stomach, intestines, liver, and other
abdominal organs.
Intramuscular injection - correct answer Injection of substance into a muscle. Can be
slowed by suspension in oil (flu vaccine, hep B, rabies, vivitrol.
Subcutaneous injection (SC) - correct answer Injection of a substance into the space
beneath the skin.
Oral admin - correct answer Admin of a substance into the mouth, so that it is
swallowed. Some drugs absorbed in stomach, but most in intestine
Inhalation admin - correct answer fastest admin
Sublingual admin - correct answer Admin of substance by placing it under the tongue.
Transdermal/topical admin - correct answer Admin of a substance directly onto the skin
or mucous membrane. The patch or a lotion.
Intranasal - correct answer snorting it
Entry of Drugs Into the Brain - correct answer The differences in the routes of drug
administration vary only in the rate at which a drug reaches the blood plasma (that is,
the liquid part of the blood).
The most important factor that determines the rate at which a drug in the bloodstream
reaches sites of action within the brain is lipid solubility.
The blood-brain barrier is a barrier only for water-soluble molecules.
Molecules that are soluble in lipids pass through the cells that line the capillaries in the
central nervous system, and they rapidly distribute themselves throughout the brain.
1st pass metabolism - correct answer stomach, intestines, liver, before blood.
Metabolism after absorption from the gut. If there is high amount of this than there will
be low bioavailability.
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