Adrenergic Drugs

Question 1

Afferent nerve

Answer 1

transmits signals to the spinal cord and the brain

Question 2

Efferent nerves

Answer 2

carries impulses from CNS to other parts of the body

Question 3

Alpha 1 adrenergic receptors

Answer 3

Constricts arteries
-relaxes GI muscles (decreases motility)
-contracts uterus
-male ejaculation
-constricts bladder sphincter

Question 4

Alpha 2 adrenergic receptors

Answer 4

dilates arteries

Question 5

Beta 1 adrenergic receptors location

Answer 5

Primarily in the heart
-constricts heart vessels

Question 6

Beta 2 adrenergic receptors location

Answer 6

Located in the lungs, effects lungs
-dilates lungs
-smooth muscles of bronchioles, arterioles, and visceral organs

Question 7

Dopaminergic receptors

Answer 7

-stimulated by dopamine
-causes dilation of blood vessels

Question 8

What does the stimulation of beta1 adrenergic receptors do?

Answer 8

cardiac stimulation
-positive inotropic effect
-positive chrontropic effect
-positive dromotropic effect

Question 9

Positive inotropic effect

Answer 9

Increase force contraction of the heart

Question 10

Positive chronotropic effect

Answer 10

Increases heart rate

Question 11

Positive dromotropic effect

Answer 11

Increases conduction through AV node

Question 12

What does the stimulation of beta 2 adrenergic receptor do to the airways

Answer 12

Bronchodilation, relaxation of the bronchi, increases airflow

Question 13

What are bronchodilator’s

Answer 13

Drugs that stimulates beta 2 adrenergic receptors of bronchial smooth muscles, causing relaxation which results in bronchodilation

Question 14

Bronchodilators medications, stimulates beta 2

Answer 14

ALBUTEROL
levalbuterol
salmeterol
pirbuterol
metaproterenol
formoterol
ephedrine
epinephrine

Question 15

Treatment for nasal congestion

Answer 15

Intranasal (topical) application which causes dilated arterioles to CONSTRICT which reduces nasal blood flow, reducing congestion

Question 16

opthalmic indications

Answer 16

-temporary relieve of conjuctival congestion
-reduces intraocular pressure, and dilation of pupils in treatment of open-angle glaucoma

(Phenylephrine)

Question 17

Mirabegron (Myrbetriq) indications

Answer 17

for overactive bladder (frequent urination)
-increases bladder storage capacity

Question 18

Vasoactive symoathomimetics indications

Answer 18

-used in patients during cardiac failure/shock
-increases force of hearts contraction
Ex:
dopamine
dobutamine
epinephrine
norepinephrine

Question 19

contraindications to vasoactive adrenergics (dopamine, dobutamine, epinephrine, norepinephrine)

Answer 19

severe hypertension

Question 20

Beta adrenergic drugs adverse effects

Answer 20

mild tremors, nervousness
increased HR
palpitations

Question 21

Dobutamine indications

Answer 21

-vasoactive adrenergic drugs, stimulates beta 1 receptors
-increases cardiac output

Question 22

Nursing implications for IV administration for adrenergic drugs

Answer 22

-check IV site for infiltration
-use clear IV solutions
-infuse drugs slowly to avoid dangerous cardiovascular effects
-monitor cardiac rhythm

Question 23

What are the therapeutic effects for adrenergic drugs

Answer 23

-decreased edema
-increased urinary output
-return to normal V/S
-improved skin color/temp (W is normal circulation, C is not normal)
-increased LOC