Deck 15: Adrenergic Agonists

Question 1

A client is prescribed oxymetazoline (OcuClear)ophthalmic solution for redness of the eye and eye irritation.Which statements are appropriate for the nurse to include in this client's teaching? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Transient stinging can occur.
B)Expect some dizziness.
C)Blurred vision is possible.
D)Headache or brow pain can occur.
E)Vomiting is a common occurrence with this drug.

Answer 1

Transient stinging can occur.
Blurred vision is possible.
Headache or brow pain can occur.

Question 2

A client is prescribed a high-dose dopamine infusion.The nurse would expect to see an increase in blood pressure because of dopamine's effect on which receptors?

A)Alpha-1 adrenergic receptors
B)Dopaminergic receptors
C)Beta-2 adrenergic receptors
D)Beta-1 adrenergic receptors

Answer 2

Alpha-1 adrenergic receptors

Question 3

The nurse is starting a high-dose dopamine infusion for a client diagnosed with shock.The nurse should monitor the client for which side effect of this drug?

A)Angina
B)Ventricular tachycardia
C)Bronchospasm
D)Urinary retention

Answer 3

Ventricular tachycardia

Question 4

One of the reasons epinephrine causes an intense fight-or-flight response throughout the body is because it stimulates which receptors?

A)The alpha receptors only
B)All four types of adrenergic receptors
C)The beta-2 receptors only
D)The beta-1 receptors only

Question 5

Why are adrenergic agonists such as epinephrine given parenterally or by inhalation instead of orally?

A)They are not easily digested in the gastrointestinal tract.
B)They produce toxic by-products in the blood.
C)They are rapidly absorbed by the blood.
D)They are metabolized by the enzyme COMT in the intestinal tract.

Question 6

A client is prescribed salmeterol (Serevent)by inhalation for asthma.The client asks the nurse how the medication can help.The nurse's response should be based on the fact that salmeterol (Serevent)is which type of agonist?

A)Nonselective adrenergic agonist
B)Selective beta-2 agonist
C)Selective alpha-1 agonist
D)Selective beta-1 agonist

Question 7

The nurse is getting ready to use an EpiPen auto-injector for a client who was bitten by a wasp.In order for the EpiPen to be fully effective,where will the nurse educate the client to store it?

A)On the counter
B)In the refrigerator
C)At a warm temperature
D)In a dark place

Question 8

A client who was stung by a bee is treated with an EpiPen auto-injection.Which assessment finding indicates that the drug is working?

A)Increased blood pressure
B)Constriction of the pupils
C)Increased urinary output
D)Spasm of the bronchus

Question 9

Isoproterenol is an effective bronchodilator.It also produces adverse cardiovascular effects because of its effect on which receptors?

A)Alpha-2 receptors
B)Beta-1 receptors
C)Alpha-1 receptors
D)Dopamine receptors

Question 10

Phenylephrine is to be used for a client to reverse hypotension caused by spinal anesthesia.For which symptoms should the nurse assess the client as contraindications to this drug? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Angina
B)Parkinson disease
C)Narrow-angle glaucoma
D)Asthma
E)Severe hypertension

Question 11

A client receives epinephrine for anaphylactic shock.The nurse should be aware of which mechanism by which epinephrine acts?

A)Inhibiting reuptake of norepinephrine from the synaptic cleft
B)Indirectly,by promoting release of norepinephrine
C)Directly,by stimulating adrenergic receptors
D)Inhibiting destruction of norepinephrine by enzyme MAO

Question 12

A client is prescribed tetrahydrozoline (Tyzine)for redness of the eye.Which rationale supports the use of this medication?

A)Constriction of the pupil
B)Absorption of fluid in the conjunctival sac
C)Vasoconstriction of the arterioles in the eye
D)Relaxation of the radial muscles of the iris

Question 13

A client is prescribed albuterol (Proventil)oral tablets for asthma.What should the nurse include when teaching the client about this medication?

A)"The dosage for this drug should be doubled if no effect is seen in a short time."
B)"This drug is very effective in treating acute attacks."
C)"This drug can be taken every 5 minutes for maximal effect."
D)"This drug must be taken 15 minutes before exercise."

Question 14

A client diagnosed with asthma asks the nurse why an albuterol (Proventil)inhaler is better than isoproterenol (Isuprel).The nurse's response should be based on the physiologic concept that isoproterenol affects which receptors?

A)Alpha-1 receptors
B)Beta-1 and beta-2 receptors
C)Alpha-2 receptors
D)All of the receptors

Question 15

The nurse is teaching a client about the use of phenylephrine (Neo-Synephrine)nasal spray.Which statement by the nurse is the most appropriate to include in the teaching plan? Note: Credit will be given only if all corrected choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)"Avoid caffeine-containing beverages while taking this drug."
B)"You must use this spray for a period of 10 days continually for maximal effects."
C)"You can use this spray for treating other members in the family."
D)"Report symptoms of excessive use of this drug,such as palpitations and nervousness."
E)"Do not use this drug if you have heart disease."

Question 16

A client taking an MAO inhibitor for hypertension asks the nurse for medication to relieve nasal congestion.The nurse should know that phenylephrine will be a poor choice for this client because it might cause which condition?

A)Tinnitus
B)Hypokalemia
C)Dizziness
D)Hypertension

Question 17

A client is given ephedrine (Efedron)for bronchial asthma.The nurse should ask the client to report which effect of this drug?

A)Drowsiness
B)Palpitations
C)Excessive vomiting
D)Increased appetite

Question 18

A client with Parkinson disease who is receiving entacapone (Comtan)is to be given epinephrine for cardiopulmonary resuscitation.The nurse should be aware that entacapone (Comtan)causes an increased effect of epinephrine on the heart due to which action?

A)Stimulation of the enzyme COMT in the synaptic cleft
B)Inhibition of the enzyme COMT in the synaptic cleft
C)Increased reuptake of the enzyme COMT from the synaptic cleft
D)Excessive secretion of the enzyme COMT from the synaptic vesicles

Question 19

A client diagnosed with narcolepsy is prescribed ephedrine,and asks the nurse how this medication will improve the problem.The nurse's response will be based on which physiologic concept?

A)Ephedrine will prevent any attacks of epilepsy.
B)Ephedrine can be easily destroyed by the enzymes in the synaptic cleft.
C)Ephedrine can easily cross the blood-brain barrier.
D)Ephedrine cannot be easily absorbed through the intestinal tract.

Question 20

A low-dose dopamine infusion is to be started for a client diagnosed with hypovolemic shock.Which assessment finding indicates the drug is having the desired therapeutic effect?

A)Nausea
B)Increased urine output
C)Increased blood pressure
D)Ventricular tachycardia

Question 21

A client is prescribed a medication that is a catecholamine.The nurse will expect the pharmacy to prepare the medication to be administered through which routes? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Intravenous
B)Inhalation
C)Oral
D)Topical
E)Subcutaneous

Question 22

A client with heart failure is started on a beta₁-agonist medication to improve cardiac output.The nurse would explain that this medication performs which action? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Increases cardiac output
B)Increases the strength of myocardial contractions
C)Relaxes bronchial smooth muscle
D)Prevents low blood pressure
E)Treats high blood pressure

Question 23

A client is having difficulty managing symptoms of acute bronchospasm.Which medications would be indicated for this client's symptoms? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Albuterol (Proventil)
B)Levalbuterol (Xopenex)
C)Pirbuterol (Maxair)
D)Arformoterol (Brovan)
E)Formoterol (Foradil)

Question 24

A client is prescribed an ophthalmic adrenergic agonist medication.What should the nurse include when instructing the client about this medication? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Wear sunglasses when going out of doors.
B)Talk with the health care provider before using soft contact lenses.
C)Wear sunglasses when exposed to indoor bright lights.
D)Stinging will occur temporarily after instilling.
E)Eye irritation will continue for a week after discontinuing the medication.

Question 25

A client is being treated for cocaine and amphetamine abuse.The nurse realizes that the client's symptoms are caused by which actions of these substances on the central nervous system? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Stimulate the release of norepinephrine on the presynaptic neuron
B)Inhibit the reuptake of norepinephrine from the synaptic cleft back to the presynaptic neuron
C)Inhibit the destruction of norepinephrine by the enzyme monoamine oxidase
D)Inhibit alpha₁ receptors
E)Stimulate beta₂ receptors

Question 26

A client is receiving an infusion of an adrenergic agonist.Which actions should the nurse take when monitoring this infusion? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Use an infusion pump.
B)Frequently assess the infusion site.
C)Stop the infusion with signs of extravasation.
D)Raise the head of the bed.
E)Report signs of urinary retention.

Question 27

A client is prescribed isoproterenol for ventricular dysrhythmia.Which concurrent medication order would cause the nurse to order for isoproterenol?

A)Analgesic
B)MAO inhibitor
C)Cardiac glycoside
D)Anti-inflammatory drug

Question 28

The nurse is concerned that a client receiving epinephrine is experiencing autonomic nervous system adverse effects when which items are found on assessment? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Tachycardia
B)Ventricular dysrhythmia
C)Elevated blood pressure
D)Elevated blood glucose level
E)Flaccid paralysis

Question 29

A client is diagnosed with hypertension.The nurse should prepare to instruct the client about which alpha₂ agonists? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Methyldopa (Aldomet)
B)Clonidine (Catapres)
C)Tetrahydrozoline (Tyzine)
D)Midodrine (ProAmatine)
E)Pirbuterol (Maxair)

Question 30

A client with cardiac disease is prescribed isoproterenol (Isuprel).Which medications,if also prescribed to the client,would cause the nurse to order? Note: Credit will be given only if all correct choices and no incorrect choices are selected.Standard Text: Select all that apply.

A)Potassium-wasting diuretic
B)Cardiotonic
C)Anticoagulant
D)Antihyperglycemic
E)Antibiotic