Propranolol

is a non-selective beta-blocker

is a selective beta1-blocker

is a non-selective alpha-blocker

is a selective alpha1-blocker

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The heart is generally considered to have predominantly which type of adrenergic receptors?

Beta1 receptors

Beta2 receptors

Alpha2 receptors

Alpha1 receptors

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Alpha adrenergic receptors are located on:

All of the above

Vascular smooth muscle

Presynaptic newe terminals

Blood platelets

Fat cells

Neuons in the CNS

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All of the following neurons are cholinergic EXCEPT one. Which one is the exception?

Postganglionic sympathetic neurons

Preganglionic sympathetic neurons

Preganglionic parasympathetic neurons

Postganglionic parasympathetic neurons

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1. Epinephrlne is the agent of choice for treating an anaphyhctic reaction because ofits stimulatorv effects on both alpha and beta adrenergic receptors. 2. All ofthe following are desirable effects of epinephrine that make it the agent of choice for treating an anaphylactic reaction. - It has vasopressor activity - It has bronchodilator properties - It causes increased cardiac output - It has a rapid onset ofaction

Both statements are true

Both statements are false

The first statement is true; the second statement is false

The first statement is false; the second statement is true

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Of the following, which is a clinically significant adverse reaction due to Metoprolol?

Drowsiness

Hallucinations

Arthralgia

Dry mouth

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If norepinephrine or eplnephrine wers to stimul|te or combine with the alpba receptors in the eye, which response would you expect?

Mydriasis (dilation of the pupil)

Miosis (contraction ofthe pupil)

Neither ofthe above; norepinepkine and epinephrine do not stimulate or combine with alpha receptors in the eye

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Metoprolol is used in the treatment of

All of the above

acute angina pectoris

helpful after a heart attack

hypertension

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A medical uses of a drug having adrenergic agonist actions would include which of the following?

Reverse an anaphylactic reaction

Treat hypertension

Prevent angina pectoris

Reduce anxiety

All ofthe above

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A fear re|ction activates the sympathetic division of the autonomic nervous svstem to result in:

Hypertension

Miosis

Bradycardia

Increased salivation

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MAO inhibitors (i.e., phenelzine and tranylcypromine)

should not be used with indirectly acting sympathetic drugs (i.e., Tyramine and anphetamines) and with several other drugs such as opioids, especially meperidine.

inhibit the vasoconstrictor response to epinephrine and levonordefrin.

increase the vasoconstrictor response to epinephrine, but reduce the tachycardia resulting from epinephrine.

have exaggerated effects when given with neuron depleting agents like reserpine and quanethidine.

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Epinephrine and levonordefrin

have exaggerated effects when given with neuron depleting agents like reserpine and quanethidine.

inhibit the vasoconstrictor response to epinephrine and levonordefrin.

increase the vasoconstrictor response to epinephrine, but reduce the tachycardia resulting from epinephrine.

should not be used with indirectly acting sympathetic drugs (i.e., Tyramine and anphetamines) and with several other drugs such as opioids, especially meperidine.

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Orthostatic hypotention can also result from

centrally acting drugs (i.e., clonidine and methyldopa) and direct vasodilators (i.e., hydralazine and diazoxide)

centrally acting drugs (i.e., clonidine and methyldopa)

direct vasodilators (i.e., hydralazine and diazoxide)

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Propmnolol

Nonselective: blocks both beta1- and beta2-receptors

Beta1-selective

Nonselective: blocks both alpha1- and alpha2- receptors

Alpha1-selective

Centrally acting Alpha2-agonist

Neuronal depleting agent

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Carteolol

Nonselective: blocks both beta1- and beta2-receptors

Beta1-selective

Nonselective: blocks both alpha1- and alpha2- receptors

Alpha1-selective

Centrally acting Alpha2-agonist

Neuronal depleting agent

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Sotalol

Nonselective: blocks both beta1- and beta2-receptors

Beta1-selective

Nonselective: blocks both alpha1- and alpha2- receptors

Alpha1-selective

Centrally acting Alpha2-agonist

Neuronal depleting agent

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Nadolol

Nonselective: blocks both beta1- and beta2-receptors

Beta1-selective

Nonselective: blocks both alpha1- and alpha2- receptors

Alpha1-selective

Centrally acting Alpha2-agonist

Neuronal depleting agent

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Penbutolol

Nonselective: blocks both beta1- and beta2-receptors

Beta1-selective

Nonselective: blocks both alpha1- and alpha2- receptors

Alpha1-selective

Centrally acting Alpha2-agonist

Neuronal depleting agent

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Timolol

Nonselective: blocks both beta1- and beta2-receptors

Beta1-selective

Nonselective: blocks both alpha1- and alpha2- receptors

Alpha1-selective

Centrally acting Alpha2-agonist

Neuronal depleting agent

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