Medical Pharmacology Chapter 5: Pharmacology of Adrenergic Drugs

Metabolic action(s) associated with catecholamines and sympathomimetic drugs:
1. Reduction in rate of liver glycogenolysis
2. Reduction in rate of muscle glycogenolysis.
3. Both
4. Neither
Catecholamine and sympathetic drug action(s) in the central nervous system:
1. Appetite suppression
2. Increase in psychomotor activity
3. Both
4. Either
Catecholamines and sympathomimetic drugs exhibit this/these effects on neurotransmitter release:
1. Inhibition of neurotransmitter release
2. Promotion of neurotransmitter release
3. Both
4. Neither
Catecholamine and sympathomimetic drug(s) direct effect/effects on the heart:
1. Positive chronotropic effect
2. Positive inotropic effect
3. Both
4. Neither
Catecholamine and sympathomimetic drug classification:
1. Direct-acting
2. Indirect-acting
3. Mixed-acting
4. A & B
5. B & C
6. A & C
7. A, B & C
Phenylephrine exhibits selectivity for the α₁ adrenergic receptor.
1. True
2. False
The drug terbutaline exhibits selectivity for the β₁ adrenergic receptor.
1. True
2. False
Receptor/receptors that may be activated by epinephrine administration:
1. α₁
2. α₂
3. β₁
4. β₂
5. β₃
6. A & B
7. C, D & E
8. A, B, C, D & E (all receptor sites)
Example of an "indirect acting" adrenergic agonist:
1. Phenylephrine
2. Cocaine
3. Oxymetazoline
4. Isoproterenol
Example of indirect-acting adrenergic agonist that promotes catecholamine release as its principal mechanism.
1. Clonidine
2. Amphetamine
3. Norepinephrine
4. Dobutamine