Question 1

What is the main difference between bacteria and humans that gives Sulfa drugs their antibacterial properties?

Accepted Answer

A) Human cells can readily absorb folic acid; bacteria cells cannot. 
B) Bacteria cells can readily absorb folic acid; human cells cannot. 
C) Bacteria cells can readily absorb sulfa drugs; human cells cannot. 
D) Human cells can readily absorb sulfa drugs; bacteria cells cannot. 
E) none of the above 
A) Human cells can readily absorb folic acid; bacteria cells cannot. 
B) Bacteria cells can readily absorb folic acid; human cells cannot. 
C) Bacteria cells can readily absorb sulfa drugs; human cells cannot. 
D) Human cells can readily absorb sulfa drugs; bacteria cells cannot. 
E) none of the above

Question 2

A new class of antiviral agents called protease inhibitors has been developed that ________.

Accepted Answer

A) limit the supply of amino acids available for viral replication 
B) prevent proteases from combining to form new viral agents 
C) act as nucleotide mimics and shut down DNA production 
D) act as ion tunnels, inhibiting the ability of a virus maintain its charge 
E) none of the above 
A) limit the supply of amino acids available for viral replication 
B) prevent proteases from combining to form new viral agents 
C) act as nucleotide mimics and shut down DNA production 
D) act as ion tunnels, inhibiting the ability of a virus maintain its charge 
E) none of the above

Question 3

Why is methadone not very useful in the treatment of cocaine addiction?

Accepted Answer

A) Methadone is a stimulant, which is the opposite of what is needed for the treatment of cocaine addiction. 
B) Methadone is not readily available "on the streets" and so the cocaine user might have a hard time finding any. 
C) Methadone blocks the action of cocaine, which means the user's withdrawal symptoms would be too dramatic. 
D) Methadone provides only a depression of nerve signals, which is opposite of what the cocaine addict is seeking. 
A) Methadone is a stimulant, which is the opposite of what is needed for the treatment of cocaine addiction. 
B) Methadone is not readily available "on the streets" and so the cocaine user might have a hard time finding any. 
C) Methadone blocks the action of cocaine, which means the user's withdrawal symptoms would be too dramatic. 
D) Methadone provides only a depression of nerve signals, which is opposite of what the cocaine addict is seeking.

Question 4

Why do plaque deposits make pumping blood more difficult?

Accepted Answer

A) The veins and arteries are less elastic. 
B) The volume of the blood vessels decreases. 
C) A higher pressure is required to force blood through the vessels. 
D) all of the above 
E) only A and B 
A) The veins and arteries are less elastic. 
B) The volume of the blood vessels decreases. 
C) A higher pressure is required to force blood through the vessels. 
D) all of the above 
E) only A and B

Question 5

Which of the following would not be part of the drug discovery process?

Accepted Answer

A) learning the exact shape of various receptor sites 
B) changing an old drug a little and testing the new drug for activity 
C) random testing of new compounds for drug activity 
D) examining folklore for herbs and potions 
E) All of the above are part of the process. 
A) learning the exact shape of various receptor sites 
B) changing an old drug a little and testing the new drug for activity 
C) random testing of new compounds for drug activity 
D) examining folklore for herbs and potions 
E) All of the above are part of the process.

Question 6

How do drugs like beta-blockers and calcium-channel blockers cause the heart to relax?

Accepted Answer

A) They block receptors that cause muscle contraction. 
B) They block the re-uptake of neurotransmitters that tell the heart to beat faster. 
C) They increase the release of neurotransmitters that slow the heart beat. 
D) all of the above 
E) none of the above 
A) They block receptors that cause muscle contraction. 
B) They block the re-uptake of neurotransmitters that tell the heart to beat faster. 
C) They increase the release of neurotransmitters that slow the heart beat. 
D) all of the above 
E) none of the above

Question 7

What are the problems associated with a buildup of plaque on the inner walls of blood vessels?

Accepted Answer

A) Arteries with a buildup of plaque lose their elasticity. 
B) Plaque can accumulate to the point that blood flow through the vessel is restricted. 
C) Inflamed plaque deposits can rupture leading to deadly clot formation in the bloodstream. 
D) all of the above 
A) Arteries with a buildup of plaque lose their elasticity. 
B) Plaque can accumulate to the point that blood flow through the vessel is restricted. 
C) Inflamed plaque deposits can rupture leading to deadly clot formation in the bloodstream. 
D) all of the above

Question 8

How do over-the-counter analgesics like aspirin work?

Accepted Answer

A) They block the production of pain-producing chemicals. 
B) They block nerve impulses. 
C) They alter the perception of pain in the brain. 
D) all of the above 
E) none of the above 
A) They block the production of pain-producing chemicals. 
B) They block nerve impulses. 
C) They alter the perception of pain in the brain. 
D) all of the above 
E) none of the above

Question 9

What key aspect of a depressant's chemical action sets it apart from the other classes of psychoactive drugs?

Accepted Answer

A) Depressants are active along the whole length of the neuron. 
B) Depressants are only active at the synaptic cleft. 
C) Depressants are irreversibly bound to neuron surface proteins. 
D) Depressants are involved in the degradation of neurotransmitters. 
E) none of the above 
A) Depressants are active along the whole length of the neuron. 
B) Depressants are only active at the synaptic cleft. 
C) Depressants are irreversibly bound to neuron surface proteins. 
D) Depressants are involved in the degradation of neurotransmitters. 
E) none of the above

Question 10

A medicine is a drug that ________.

Accepted Answer

A) has therapeutic properties 
B) kills bacteria 
C) provides a euphoric effect 
D) is isolated from a plant 
E) none of the above 
A) has therapeutic properties 
B) kills bacteria 
C) provides a euphoric effect 
D) is isolated from a plant 
E) none of the above

Question 11

Which of the following neurotransmitters would most likely help (or hinder)us complete the following activity? perform a ballet

Accepted Answer

A) dopamine 
B) norepinephrine 
C) acetylcholine 
D) GABA 
E) serotonin 
A) dopamine 
B) norepinephrine 
C) acetylcholine 
D) GABA 
E) serotonin

Question 12

How does chemotherapy work to fight a disease or infection?

Accepted Answer

A) It exploits subtle differences between the host organism and the disease organism. 
B) It binds to receptor sites and boosts the immune system of the host organism. 
C) It binds to the DNA of the host organism preventing the disease from spreading. 
D) all of the above 
E) none of the above 
A) It exploits subtle differences between the host organism and the disease organism. 
B) It binds to receptor sites and boosts the immune system of the host organism. 
C) It binds to the DNA of the host organism preventing the disease from spreading. 
D) all of the above 
E) none of the above

Question 13

How is a set of neurons different from a wire conductor?

Accepted Answer

A) Neurons do not need to physically touch to conduct. 
B) Wires are made of metal. 
C) One conducts electricity; the others do not. 
D) The wire can carry more information. 
E) all of the above 
A) Neurons do not need to physically touch to conduct. 
B) Wires are made of metal. 
C) One conducts electricity; the others do not. 
D) The wire can carry more information. 
E) all of the above

Question 14

Chemotherapy is used to treat ________.

Accepted Answer

A) cancer 
B) bacterial infections 
C) viral infections 
D) all of the above 
A) cancer 
B) bacterial infections 
C) viral infections 
D) all of the above

Question 15

Why do some antiviral agents exhibit anticancer activity?

Accepted Answer

A) There are some forms of cancer that are initiated by a viral infection. 
B) Cancer cells tend to have a high metabolism to which viruses are attracted. 
C) These antiviral agents upset genetic mechanisms, which can destroy cancer cells as well as viruses. 
D) These antiviral agents bind to receptor sites that cancer cells need for absorbing nutrients. 
A) There are some forms of cancer that are initiated by a viral infection. 
B) Cancer cells tend to have a high metabolism to which viruses are attracted. 
C) These antiviral agents upset genetic mechanisms, which can destroy cancer cells as well as viruses. 
D) These antiviral agents bind to receptor sites that cancer cells need for absorbing nutrients.

Question 16

What is the main difference between stress neurons and maintenance neurons?

Accepted Answer

A) the type of neurotransmitters they produce 
B) the shape of the neuron 
C) the electrochemical potential generated by the neuron 
D) the width of the synaptic cleft 
E) all of the above 
A) the type of neurotransmitters they produce 
B) the shape of the neuron 
C) the electrochemical potential generated by the neuron 
D) the width of the synaptic cleft 
E) all of the above

Question 17

Which is better for you: a drug that is a natural product or one that is synthetic?

Accepted Answer

A) Whether a drug is good for you does not depend upon whether the drug occurs naturally or was synthesized in the laboratory. 
B) Synthetic products are generally better for you because they lack impurities that could bring on side-effects. 
C) Drugs extracted from natural products are invariably better for you. 
D) Drugs extracted from natural products are better except in the case where the synthetic drug is a replica of the drug found in nature. 
A) Whether a drug is good for you does not depend upon whether the drug occurs naturally or was synthesized in the laboratory. 
B) Synthetic products are generally better for you because they lack impurities that could bring on side-effects. 
C) Drugs extracted from natural products are invariably better for you. 
D) Drugs extracted from natural products are better except in the case where the synthetic drug is a replica of the drug found in nature.

Question 18

How do opiates like morphine work?

Accepted Answer

A) They block the production of pain-producing chemicals. 
B) They block nerve impulses. 
C) They alter the perception of pain in the brain. 
D) all of the above 
E) none of the above 
A) They block the production of pain-producing chemicals. 
B) They block nerve impulses. 
C) They alter the perception of pain in the brain. 
D) all of the above 
E) none of the above

Question 19

According to the lock-and-key model, in order for a drug to bind it must have the proper ________.

Accepted Answer

A) configuration 
B) conformation 
C) functional groups 
D) all of the above 
A) configuration 
B) conformation 
C) functional groups 
D) all of the above

Question 20

Which is the more appropriate statement: Opioids have endorphin activity, or endorphins have opioid activity? Explain your answer.

Accepted Answer

A) Opioids have endorphin activity because endorphins likely came first. 
B) Endorphins have opioid activity because opioids likely came first. 
C) Opioids have endorphin activity because plants likely created opioids to mimic their own endorphin systems. 
D) Endorphins have opioid activity because plants likely created opioids to mimic their own endorphin systems. 
A) Opioids have endorphin activity because endorphins likely came first. 
B) Endorphins have opioid activity because opioids likely came first. 
C) Opioids have endorphin activity because plants likely created opioids to mimic their own endorphin systems. 
D) Endorphins have opioid activity because plants likely created opioids to mimic their own endorphin systems.

What is the main difference between bacteria and humans that gives Sulfa drugs their antibacterial properties?

A new class of antiviral agents called protease inhibitors has been developed that ________.

Why is methadone not very useful in the treatment of cocaine addiction?

Why do plaque deposits make pumping blood more difficult?

Which of the following would not be part of the drug discovery process?

How do drugs like beta-blockers and calcium-channel blockers cause the heart to relax?

What are the problems associated with a buildup of plaque on the inner walls of blood vessels?

How do over-the-counter analgesics like aspirin work?

What key aspect of a depressant's chemical action sets it apart from the other classes of psychoactive drugs?

A medicine is a drug that ________.

Which of the following neurotransmitters would most likely help (or hinder)us complete the following activity? perform a ballet

How does chemotherapy work to fight a disease or infection?

How is a set of neurons different from a wire conductor?

Chemotherapy is used to treat ________.

Why do some antiviral agents exhibit anticancer activity?

What is the main difference between stress neurons and maintenance neurons?

Which is better for you: a drug that is a natural product or one that is synthetic?

How do opiates like morphine work?

According to the lock-and-key model, in order for a drug to bind it must have the proper ________.

Which is the more appropriate statement: Opioids have endorphin activity, or endorphins have opioid activity? Explain your answer.

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Organic Compounds

Nutrients of Life

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Exam 14: Medicinal Chemistry

What is the main difference between bacteria and humans that gives Sulfa drugs their antibacterial properties?

A new class of antiviral agents called protease inhibitors has been developed that ________.

Why is methadone not very useful in the treatment of cocaine addiction?

Why do plaque deposits make pumping blood more difficult?

Which of the following would not be part of the drug discovery process?

How do drugs like beta-blockers and calcium-channel blockers cause the heart to relax?

What are the problems associated with a buildup of plaque on the inner walls of blood vessels?

How do over-the-counter analgesics like aspirin work?

What key aspect of a depressant's chemical action sets it apart from the other classes of psychoactive drugs?

A medicine is a drug that ________.

Which of the following neurotransmitters would most likely help (or hinder)us complete the following activity? perform a ballet

How does chemotherapy work to fight a disease or infection?

How is a set of neurons different from a wire conductor?

Chemotherapy is used to treat ________.

Why do some antiviral agents exhibit anticancer activity?

What is the main difference between stress neurons and maintenance neurons?

Which is better for you: a drug that is a natural product or one that is synthetic?

How do opiates like morphine work?

According to the lock-and-key model, in order for a drug to bind it must have the proper ________.

Which is the more appropriate statement: Opioids have endorphin activity, or endorphins have opioid activity? Explain your answer.

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Organic Compounds

Nutrients of Life

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters