PSY 365 Exam 1 || Questions and Correct Detailed Answers.
How do pharmacokinetics and pharmacodynamics compare? correct answers Pharmacokinetics
examines the movement of drugs through the body while pharmacodynamics examines the
effects of drugs on the body
How would you administer a drug if you wanted to avoid all natural barriers that can slow down
absorption? correct answers Intravenously
A drug will be measured for five commonly known effects across three doses. How many dose-
effect curves will be produced during this research? correct answers 5
What is the relationship between the efficacy and potency of the drug? correct answers Potency
is the lowest dose that achieves maximum effect
What is a key part of the process to determine the proper drug dosage for a particular person?
correct answers weight
Nicholas is ingesting a drug using a delivery method that classifies it as an inhalant. What is
Nicholas doing? correct answers smoking a joint
Which of the following has the longest elimination time? correct answers marijuana
What is the peak of the dose-effect curve for a given effect of a particular drug? correct answers
efficacy
Researchers working to determine the LD 50 of a particular drug are interested in which of the
following? correct answers death
,Dr. Chang recommended two medicines for Martha to help address her symptoms of anxiety.
When Martha asked why she needed two prescriptions, the doctor explained that she would
achieve better results when taking them in combination correct answers synergism
Alzheimer's drugs that inhibit the enzyme acetylcholinesterase to increase the availability of
acetylcholine are limiting what process? correct answers breakdown
Which of the following pairs reflects a relationship to addiction? correct answers Nucleus
Accumbens- Reward
What is the term for the space where two neurons meet? correct answers Synapse
One way that drugs work on the nervous system is by being masters of disguise. A drug molecule
can fool the brain into thinking it is a ________ correct answers neurotransmitter
A chemical substance that fits into and activates a neural receptor is called a(n) ________.
correct answers Agonist
A person who is afraid of flying and takes a Xanax to feel calmer during a flight is activating
which neurotransmitter system? correct answers GABA
The most abundant excitatory neurotransmitter in the brain is ________. correct answers
glutamate
Which of the following is part of central nervous system? correct answers Brain
Your parasympathetic nervous system branch has been activated. What will you experience?
correct answers slow heart rate
, What is pharmacokinetics? correct answers the study of drug movement throughout the body;
what the body does to the drug
A sympathomimetic drug such as cocaine will ________. correct answers cause a person's eyes
to dilate
What are the different routes of drug administration? correct answers -oral
-rectal
-inhalation
-snorting/mucous membrane
-absorption through the skin
-injection
Oral Administration correct answers -absorbed largely by the small intestine
-liquid generally acts faster than pills
-inconsistent because you do not always absorb the same amount of molecules
Rectal Administration correct answers used predominately in medical situations
Inhalation correct answers -not sniffing/snorting
-can be defined as : when a smoke or vapor is inhaled directly into the lungs
-fastest route of administration
Snorting/Mucous Membrane correct answers -absorbed through mucous membranes
-nicotine chewing gum is absorbed by the mucous membrane and there is not considered an oral
administration
How do pharmacokinetics and pharmacodynamics compare? correct answers Pharmacokinetics
examines the movement of drugs through the body while pharmacodynamics examines the
effects of drugs on the body
How would you administer a drug if you wanted to avoid all natural barriers that can slow down
absorption? correct answers Intravenously
A drug will be measured for five commonly known effects across three doses. How many dose-
effect curves will be produced during this research? correct answers 5
What is the relationship between the efficacy and potency of the drug? correct answers Potency
is the lowest dose that achieves maximum effect
What is a key part of the process to determine the proper drug dosage for a particular person?
correct answers weight
Nicholas is ingesting a drug using a delivery method that classifies it as an inhalant. What is
Nicholas doing? correct answers smoking a joint
Which of the following has the longest elimination time? correct answers marijuana
What is the peak of the dose-effect curve for a given effect of a particular drug? correct answers
efficacy
Researchers working to determine the LD 50 of a particular drug are interested in which of the
following? correct answers death
,Dr. Chang recommended two medicines for Martha to help address her symptoms of anxiety.
When Martha asked why she needed two prescriptions, the doctor explained that she would
achieve better results when taking them in combination correct answers synergism
Alzheimer's drugs that inhibit the enzyme acetylcholinesterase to increase the availability of
acetylcholine are limiting what process? correct answers breakdown
Which of the following pairs reflects a relationship to addiction? correct answers Nucleus
Accumbens- Reward
What is the term for the space where two neurons meet? correct answers Synapse
One way that drugs work on the nervous system is by being masters of disguise. A drug molecule
can fool the brain into thinking it is a ________ correct answers neurotransmitter
A chemical substance that fits into and activates a neural receptor is called a(n) ________.
correct answers Agonist
A person who is afraid of flying and takes a Xanax to feel calmer during a flight is activating
which neurotransmitter system? correct answers GABA
The most abundant excitatory neurotransmitter in the brain is ________. correct answers
glutamate
Which of the following is part of central nervous system? correct answers Brain
Your parasympathetic nervous system branch has been activated. What will you experience?
correct answers slow heart rate
, What is pharmacokinetics? correct answers the study of drug movement throughout the body;
what the body does to the drug
A sympathomimetic drug such as cocaine will ________. correct answers cause a person's eyes
to dilate
What are the different routes of drug administration? correct answers -oral
-rectal
-inhalation
-snorting/mucous membrane
-absorption through the skin
-injection
Oral Administration correct answers -absorbed largely by the small intestine
-liquid generally acts faster than pills
-inconsistent because you do not always absorb the same amount of molecules
Rectal Administration correct answers used predominately in medical situations
Inhalation correct answers -not sniffing/snorting
-can be defined as : when a smoke or vapor is inhaled directly into the lungs
-fastest route of administration
Snorting/Mucous Membrane correct answers -absorbed through mucous membranes
-nicotine chewing gum is absorbed by the mucous membrane and there is not considered an oral
administration
