First Half of Pharm Final Flashcards
Following agonist activation of opioid mu receptors, amplification of downstream signal
occurs because
duration of action of g protein is longer than agonist activation of
receptor
Anti epileptic with cognitive impairment, gingival hyperplasia and drug interactions of
cyp450 3A4 enzyme induction?
phenytoin
antianginal med works by blocking beta adrenoceptor :
atenolol
Three endogenous catecholamines
norepi, epi and dopamine?
Cardiac output is a function of HR and
Stroke volume
Which of the following is true regarding the intrinsic pathway-
All components are present in
the blood
”the index of how well a drug is removed irreversibly from circulation?
Clearance?
RV
.preferred dose and rout for epi in anaphylaxis?
0.3mg IM
“Predictable, dose related reaction not part of the desired therapeutic effect-
side effect
.levoflxacin is 2C9 inhibitor, warfarin is 2c9 substrate, what happens if taken together:
increased warfarin effect
Results from covalent mod and alteration of DNA?
Mutagenesis
how many chemicals might have to be screened and tested in orer to generate one useful
therapeutic -
1000
Ionized form of a drug more readily crosses plasma membrane
false
32 yo patient, taking lots of drugs, which is the reason for platelet reduction
depakote
after FDA approval how long is left of patent life?
5-10 years
beta 2 agonist for short term control in asthma:
albuterol
Vaugh williams classification of calcium channel blocker
class IV
What happens to EC50 when competitive agonist added
shifts right