First Half of Pharm Final Flashcards

1
Q

Following agonist activation of opioid mu receptors, amplification of downstream signal
occurs because

A

duration of action of g protein is longer than agonist activation of
receptor

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2
Q

Anti epileptic with cognitive impairment, gingival hyperplasia and drug interactions of
cyp450 3A4 enzyme induction?

A

phenytoin

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3
Q

antianginal med works by blocking beta adrenoceptor :

A

atenolol

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4
Q

Three endogenous catecholamines

A

norepi, epi and dopamine?

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5
Q

Cardiac output is a function of HR and

A

Stroke volume

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6
Q

Which of the following is true regarding the intrinsic pathway-

A

All components are present in

the blood

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7
Q

”the index of how well a drug is removed irreversibly from circulation?

A

Clearance?

RV

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8
Q

.preferred dose and rout for epi in anaphylaxis?

A

0.3mg IM

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9
Q

“Predictable, dose related reaction not part of the desired therapeutic effect-

A

side effect

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10
Q

.levoflxacin is 2C9 inhibitor, warfarin is 2c9 substrate, what happens if taken together:

A

increased warfarin effect

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11
Q

Results from covalent mod and alteration of DNA?

A

Mutagenesis

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12
Q

how many chemicals might have to be screened and tested in orer to generate one useful
therapeutic -

A

1000

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13
Q

Ionized form of a drug more readily crosses plasma membrane

A

false

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14
Q

32 yo patient, taking lots of drugs, which is the reason for platelet reduction

A

depakote

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15
Q

after FDA approval how long is left of patent life?

A

5-10 years

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16
Q

beta 2 agonist for short term control in asthma:

A

albuterol

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17
Q

Vaugh williams classification of calcium channel blocker

A

class IV

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18
Q

What happens to EC50 when competitive agonist added

A

shifts right

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19
Q

High intensity drug/dose?

A

Atorvasatin (Lipitor) 80mg

20
Q

Superfamily of receptors bound to heat shock proteins in ctyoplasm of nucleus:

A

Steroid receptors

21
Q

competively inhibits conversion of plasminogen to plasmin by TPA?

A

Tranexamic acid

22
Q

Which drug associated with anaphylactic shock

A

penecillin

23
Q

.dry secretions and increase hr in nerve agent exposure:

A

atropine

24
Q

Regenerates Achesteras after nerve agents

A

Pralidoxime

25
Q

.patient using albuterol for asthma, which medication is most likely to result in
pharmacodyamic interaction and negate use?

A

propranolol

26
Q

class of lipid lowering agents most potent lowering LDL cholesterol, also expensive?

A

PCSK9 inhibitors

27
Q

.study of genetic basis of ADME and receptor target interactions:

A

pharmacogenomics

28
Q

Enzyme responsible for breaking down acetylcholine in serum

A

acetycholinesterase

29
Q

taking APAP with codeine, what effects can it have on other meds they take?

A

Slowed

absorption

30
Q

taking APAP with codeine, what effects can it have on other meds they take?

A

Slowed

absorption

31
Q

A drug must be bound to be effective

A

false

32
Q

clot occurs in arterial circulation and consists of platelets?

A

white thrombus

33
Q

avoid all in asthma

A

aspirin/nsaids, opiates and barbiturates and antihistamines

34
Q

Non-covalent type of interaction:

A

formation of hydrogen peroxide

35
Q

antianginal medication with gingival hyperplasia

A

dilitiazem

36
Q

direct thrombin inhibitor

A

pradaxa

37
Q

Which would you not expect with acute cholinergic toxicity

A

dry mouth

38
Q

One transmembrane spanning domain

A

insulin receptor

39
Q

Drug for chronic dry mouth, avoid adverse effects while max stimulation of saliva:

A

M3 receptors

40
Q

property of drug gives ability to bind to several subtypes of adrenergic receptors?

A

Multiple

steroisomers

41
Q

. In pregnancy have drug variation due to

A

increased RBF and GFR

42
Q

Positive inotropic that increase gag reflex:

A

digoxin

43
Q

Colesevelam

A

binding to bile acid and preventing resorption

44
Q

dynamic

A
  • drug on boday kinetics - body on drug
45
Q

Causes vasodilation by blocking l-type calcium channels

A

felodipine