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

Increased salivation

Bradycardia

Miosis

Hypertension

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

All ofthe above

Reduce anxiety

Prevent angina pectoris

Treat hypertension

Reverse an anaphylactic reaction

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Metoprolol is used in the treatment of

hypertension

helpful after a heart attack

acute angina pectoris

All of the above

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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?

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

Miosis (contraction ofthe pupil)

Mydriasis (dilation of the pupil)

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

Dry mouth

Arthralgia

Hallucinations

Drowsiness

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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

The first statement is false; the second statement is true

The first statement is true; the second statement is false

Both statements are false

Both statements are true

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

Postganglionic parasympathetic neurons

Preganglionic parasympathetic neurons

Preganglionic sympathetic neurons

Postganglionic sympathetic neurons

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Alpha adrenergic receptors are located on:

Neuons in the CNS

Fat cells

Blood platelets

Presynaptic newe terminals

Vascular smooth muscle

All of the above

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

Alpha1 receptors

Alpha2 receptors

Beta2 receptors

Beta1 receptors

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Propranolol

is a selective alpha1-blocker

is a non-selective alpha-blocker

is a selective beta1-blocker

is a non-selective beta-blocker

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Tyramine and amphetamines cause release of ___?___.

acetylholine

epinephrine

norepinephrine

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All of the following are alpha-adrenergic receptor blockers EXCEPT one. Which one is the exception?

Terazosrn (Hytrin)

Prazosin (Minipress)

Phentolanine hydrochloride (Regitine)

Phenoxybenzamine hydrochloride (Dibenzyline)

Doxazosin (Cardura)

Propranolol (Inderal)

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All of the following are indirect-acting adrenergic agonists, EXCEPT one. Which one is the exception?

Hydroxyamphetamine

Methamphetamine

Amphetamine

Tyramine

Epinephrine

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Beta2

Cardiac Kidney

Smooth musclc in blood vessels

Smooth muscle in blood vessels Stomach, intestine Kidney Liver

Bronchial, vascular, coronary aneriole, uterine smooth muscle, skcletal muscle Pancreas Liver

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Beta1

Bronchial, vascular, coronary aneriole, uterine smooth muscle, skcletal muscle Pancreas Liver

Smooth musclc in blood vessels

Smooth muscle in blood vessels Stomach, intestine Kidney Liver

Cardiac Kidney

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Alpha2

Bronchial, vascular, coronary aneriole, uterine smooth muscle, skcletal muscle Pancreas Liver

Cardiac Kidney

Smooth muscle in blood vessels Stomach, intestine Kidney Liver

Smooth musclc in blood vessels

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Alpha1

Bronchial, vascular, coronary aneriole, uterine smooth muscle, skcletal muscle Pancreas Liver

Cardiac Kidney

Smooth musclc in blood vessels

Smooth muscle in blood vessels Stomach, intestine Kidney Liver

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beta receptor responses are ___?___ in nature enywhere, except heart

excitatory

inhibitory

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beta receptor responses are ___?___ in nature in the heart

inhibitory

excitatory

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