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Worksheetsموافي فارما تالته
Total questions: 10
Worksheet time: 6mins
The maximum effect achieved by a drug is a measure of :
Therapeutic index
Affinity
Efficacy
Potency
All of the following are mechanism of drug absorption EXCEPT :
aqueous diffusion
aqueous hydrolysis
lipid diffusion
active transport
Ali Elmewafy is a pharmacology lecturer is brought to the emergency room by his wife with symptoms of iron toxicity , which medication will the doctor likely prescribe
protamine sulfate
bicarbonate
desferoxamine
None of the above
which of the following is an action of a non competitive antagonist ?
alters the mechanism of action of an agonist
alters the potency of an agonist
shifts the dose response curve of an agonist to the right
decreases the maximum response to an agonist
according to cAMP which is correct :
Phospholipace C activate cAMP
Phospholipase A2 activate cAMP
Adenylyl cyclase activate cAMP
cAMP regulate intracellular calcium
which of the following would up regulate B1 adrenergic receptors ?
a. Daily use of amphetamine that causes norepinephrine to be released
b. Daily use of isoprptrenol , a B1 receptor agonist
c. Daily use of formetrol , B2 agonist
d. Daily use of propranolol , a B1 receptor antagonist
In the presence of Naloxone , a higher concentration of morphine is required to elicit full pain relief , Naloxone by itself has no effect , which of the following is correct regarding theses medications ?
a. Naloxone is a competitive antagonist
b. Morphine is a full agonist and Naloxone is a partial agonist
c. Morphine is less efficacy than naloxone
None of the above
if 10mg of naproxen produces the same analgesic response as 100 mg of ibuprofen , which of the following statements is correct ?
a. Naproxen is more efficacious than is ibuprofen
b. Naproxen is more potent than ibuprofen
c. Naproxen is full agonist while ibuprofen is partial
d. Naproxen is a competitive antagonist
drugs can induce their effects by all the following mechanisms EXCEPT :
a) Inhibition of target enzymes
b) Binding to target receptors
c) Binding to plasma protein
d) Blockade of ions channels
pindolol alone causes an increase in heart rate . while the presence of potent beta stimulant , Pindolol causes a decrease in heart rate . so pindolol is :
physiological antagonist
chemical antagonist
partial agonist
irreversible antagonist
