Pharmacology - Introduction to pharmacology : Molecular targets of drug action Flashcards

1
Q

-pril

A

ace inhibitors

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2
Q

which bonds are most important in the binding of drugs to their molecular targets

a. covalent
b. ionic
c. hydrogen

A

b.ionic

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3
Q

which of these bonds are generally not involved in the binding of a drug to its target

a. ionic
b. hydrogen
c. covalent

A

c.covalent

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4
Q

lidocaine (local anaesthetic) is a blocker of the voltage gated sodium channel .what effect do blockers have on the ion channels

a. change their shape
b. increase their activity
c. decrease amount of time channel is open
d. block pore of the channel

A

d.block pore of the channel

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5
Q

how do allosteric modulators effect channel proteins

a. change their shape
b. increase their activity
c. decrease amount of time channel is open
d. block pore of the channel
e. change shape change on binding elsewhere

A

e.change shape change on binding elsewhere

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6
Q

what is the effect of a facilitator modulator on ion movement

a. more ions can enter
b. less ions can enter

A

a.more ions can enter

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7
Q

amlodipine is an example of a..

a. facilitator modulator
b. inhibitor modulator

A

b.inhibitor modulator

reduced time channel open reduces entry of calcium ions for smooth muscle contraction, so bloo vessel dilation and reduced blood pressure

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8
Q

diazepam works on the gaba gated cl- channel enhancing entry of cl- causing membrane hyperpolarisation and reduced anxiety it is an example of..

a. facilitator modulator
b. inhibitor modulator

A

b.inhibitor modulator

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9
Q

which of these drugs block the transport mechanism of membrane proteins

a. blockers
b. inhibitor modulators
c. facilitator modulator
d. inhibitor
e. false substrate

A

d. inhibitor

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10
Q

furosemide is an example of which type of drug?

a. blockers
b. inhibitor modulators
c. facilitator modulator
d. inhibitor
e. false substrate

A

d. inhibitor

targets na k cl transporter on surface of renal tubular cells to decrease salt and water resorption

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11
Q

which drug type compete with and prevent movement of a natural substrate (transported instead)

a. blockers
b. inhibitor modulators
c. facilitator modulator
d. inhibitor
e. false substrate

A

e.false substrate

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12
Q

amphetamine is an example of what type of drug

a. blockers
b. inhibitor modulators
c. facilitator modulator
d. inhibitor
e. false substrate

A

e.false substrate

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13
Q

lisinopril is an example of which type of drug

a. blockers
b. inhibitor modulators
c. facilitator modulator
d. enzyme inhibitor
e. false substrate

A

d. enzyme inhibitor

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14
Q

which type of drug first require conversion by an enyme from an inactive to an active form

a. pro drugs
b. inhibitor modulators
c. facilitator modulator
d. enzyme inhibitor
e. false substrate

A

a.pro drugs

eg perindopril and perindoprilat

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15
Q

infliximab binds to what

a. enzymes
b. transport proteins
c. ion channels
d. inflammatory protein mediators

A

d.inflammatory protein mediators

rheumatoid arthiritis treatment

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16
Q

what does heparin activate

a. thrombin IIa
b. factor Xa
c. anti thrombin III

A

c.anti thrombin III

inhibits the others