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Quiz 3
Adrenergic chapter 17
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Professional
02/09/2009

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Cards

Term
expected outcome with Digoxin
Definition
decreased heart rate - Digoxin has a negative chronotropic effect.
Term
Anticholinergic effects block effects of the ________, producing SNS effects.
Definition
PNS
Term
Uninary Retention, Mydriasis, Vasoconstriction are _________ responses.
Definition
SNS
Term

Rest and Digest

 

 

 

Fight or Flight

 

Are for which PNS - SNS

Definition

PNS

 

 

SNS

Term
_____________ are used to treat hypertension and supraventricular arrhythmias.
Definition
Non selective beta blockers
Term
An Adrenergic (Sympthomimetic) drug produces increased heart rate and contractibility.
Definition
Epinephrine
Term
Over all predominent response of a receptor
Definition

Vasoconstriction

CNS Stimulation

Term
Synthatic Catecholmines are
Definition


Dopamine

Phenylephrine

Term
_____ produce sympathomimetic response which forces organs to respond.
Definition
Catecholmines
Term
__________ Enzyme that breaks down catacholamines that are OUTSIDE endings in synaptic cleft.
Definition
COMT
Term
_______ Enzyme that breaks down catecholamines that are IN nerve endings.
Definition
MAO
Term
Dopamine receptors acting to dilate?
Definition

1. Renal

2. Mesentric

3. Coronary

4. Cerebral Hemispheres

Term
B adrenergic agonist results in (3 answers)
Definition

1. Bronchi, GI, Uterine smooth muscle contraction.

2. Glcogensis

3. Decreased Insulin release

Term

Stimulates saliva flow, slows heart beat, and constricts Bronchi

 

is the job of PNS or SNS

Definition
PNS
Term
B1 is all located in the
Definition
Heart
Term
_____ Receptor causes vasoconstriction
Definition
A 2
Term
Are used to suport heart during cardiac failure or shock and have a variety of effects on a and b receptors.
Definition
Vasoactive Sympathomimetics
Term
Vasoactive Sympathomimetics (Pressor and Inotopes) are also called?
Definition
Cardioselective Sympathomimetics (Heart)
Term
Vasoactive Sympathomimetics are used to support the
Definition
Heart during cardiac failure or shock
Term
Nasal decongestion are which receptors
Definition
A1
Term
Reduction of intraocular presssure and causes pupil dilation (Mydriases) and treatment of open angle glaucoma are which receptors?
Definition
A or B2 Receptors or Both
Term
Catecholamine NT molecules are produced by_____ and stored at?
Definition

SNS

 

Stored in vesicles or granules located at the end of nerves.

Term
Mydraisis is?
Definition
Pupil dilation
Term

Together these make up the ANS.

 

They provide the checks and balances for homeostasis.

Definition
PNS and SNS
Term
Adrenergics are also known as _____ because they mimic the effects of the SNS NT Norepinephrine, Epinephrine, and dopamine.
Definition
Adrenergics
Term
________ are large groups of both exogenous (synthetic) and endogenous (natural) substances.
Definition
Adrenergics
Term

The space either between 2 adjacent nerve cell membranes or between a nerve cell membrane and an effector organ cell membrane.

Definition
Synaptic Cleft
Term
An increase in the force of contraction of the heart muscle (myocardium)
Definition
Positive Inotropic effect
Term
Positive dromotropic effect
Definition
An increase in the conduction of the cardiac electrical impulses trough the Atrioventricular node which results in nerve transfer from Atria to the Ventricles which leads to "Ventricular Contraction"
Term
Autonomic NS consist of
Definition
SNS and PNS
Term
Drugs that stimulate the SNS
Definition
Adrenergics
Term
Receptor sites for the Sympathetic NT Norepinephrine and Epi.
Definition
Adrenergic  receptors
Term

A1 and A2 Adrenergic receptors occur on the _____ and are differnetiated by their

Definition

Postsynaptic effector cells

Autonomic location on the tissues

Term
Some B2 effects
Definition

Uterine Relaxation

Glycogenolysis in Liver

increased Renin secretion in Kidneys

Term
Stimulation of B2 Adrenergic receptors on airways results in
Definition
Bronchodilation
Term
B1 Cardiac stimulation include (3 answers)
Definition

1. Increased force of contraction

2. Increased heart rate

3. Conduction through AV node

Term
Increased force of contraction is
Definition
Positive inotropic effect
Term
Increased heart rate is
Definition
Positive chronotropic effect
Term

Increased conduction through AV Node

Definition

Positive dromotropic effect

Term
Stimulation of B Andrenergic Agonist on the myocardium, AV node and SA node result in?
Definition
Cardiac Stimulation
Term
Stimulation of A Adrenergic receptors on smooth muscle results in (6 answers)
Definition

1. Vasoconstriction of blood vessles

2. Relax of GI smooth muscles

3. Contraction of Uterus and bladder

4. male ejactulation

5. decreased insulin

6. contraction of ciliary muscles of eye (dilation)

Term
Acting sympathomimetic directly stimulates the receptor by binding to it and indirectly stimulates the receptor by causing release of stored NT from both vesicle and nerve ending is?
Definition
Mixed acting
Term
______ acting, binds to the receptor and causes a physiologic response.
Definition
Direct
Term
______ acting sympathomimetic causes release of catecholamine from the storage sties (vesicles) in nerve endings.
Definition
Indirect
Term
Dopaminergic receptors cause dilation of the blood vessles, resulting in increased blood flow to?
Definition

1. Renal

2. Mesentric

3. Coronary

4. Cerebral

Term
An additional Adrenergic Receptor
Definition
Dopaminergic Receptor
Term
Dopaminergic receptors only respond to
Definition
Dopamine
Term
Decrease Insulin release results in
Definition

Increased blood sugar

(It's ok because its an expected response, but you still have to treat it)

Term
B Adrenergic Agonist response results in
Definition
Bronchial, GI and uterine smooth muscle contraction
Term
B2 Adrenergic receptors are located in
Definition

Smooth muscle (heart)

Muscle of Bronchioles (lung)

Arterioles and Visceral Organs

 

Visceral meaning liver, stomach, bowls

Term
B1 Adrenergic receptors are located in
Definition

In the heart

Term
B Adrenergic receptors are all located on
Definition
Postsynaptic effector cells
Term
A Adrenergic receptors are differentiated by their.
Definition
Location on Nerves
Term
Over all predominent response of A-Adrenergic receptors.
Definition

Vasoconstriction

CNS Stimulation

Term
3 Adrenergic Receptors
Definition

A - Alpha

B - Beta

Dopamine

Term
Are receptors for the sympathetic NT
Definition
Adrenergic Receptors
Term
Check and Balance means
Definition
An increase or decrease in the production of a substance in the system
Term
Adrenergic drugs work on NT
Definition

NE

EPI

Domamine

Term
Drugs that stimulate the SNS
Definition
Adrenergic Drugs
Term
Exogenic means
Definition
Outside
Term
Conversion of Glucogen to glucose occurs in the
Definition
Liver
Term
Inhibits flow of saliva, accelerates heart beat and dilates bronchi
Definition
SNS
Term
Stimulates peristalsis and secretion in stomach and release of Bile
Definition
PSN
Term
Beta adrenergic blocking drugs work by blocking SNS stimulatoin of Beta receptors by competing with endogenous _________ and _________
Definition

EPI

and

NOE

Term
B1 receptors primarly inhibit b1 receptors, decreasing myocardial stimulation which in turn?
Definition
reduces heart rate
Term

beta blockers are useful in the treatment of

Definition
angina, coronary artery disease, cardiac arrhythmias and hypertension, and also glaucoma.
Term
Intranasal -topical- applicatoin causes constriction of dilated arterioles and reduction of nasal blood flow, thus decreasing congestion are?
Definition
Nasal decongestants
Term
Nasal decongestants are _____ stimulation.
Definition
a1
Term
Vasoactive Sympathomimetic drug examples (6)
Definition

dobutamine

ephedrine

phenylephrine

dopamine

epinephrine

norepinephrine

 

Term
Drug treatment for cardiac shock
Definition
Dopamin (Intropin)
Term
Vasoactive Adrenergic "Dopamin" is given
Definition
IV Only
Term
Adrenergic adverse effects
Definition

Headache, excitement, insomnia, eupohria.

 

palpatations, tachycardia, vasoconstriction, hypertension.

 

dry mouth, nausea, vomiting, taste changes (rare)

Term
B Adrenergic Adverse Effects.
Definition

Mild tremors, headache, nervousness, dizzy.

 

increases heart rate, palpitations, BP fluctuations

 

sweating, nausea, vomiting, muscle cramps.

Term
Nursing Implications for Adrenergics
Definition

Allergy and history of hypertension, dysrhythmias, cardiovascular disease.

 

assess renal, hepatic, and cardiac function.

 

Perform baseline assessment of vital signs, pulse, skin color, temp., postural bp.

Term
Infuse Adrenergic drugs slowly to avoid
Definition
dangerous cardiovascular effects.
Term
Patients with chronic lung disease should be encourage to
Definition
have a fluid intake of 3000 mL per day if permitted.
Term

Decreased edema

increased urinary output

return to normal vital signs

improved skin color and temp.

increased LOC

are therapeutic effects for _____ to be watched for.

Definition
Cardiovascular Uses
Term

Return to normal resp rate.

improved breath sounds, fewer crackles

increased air exchange

decreased cough

less syspnea and improved blood gases

are nursing implications for _______

Definition
Therapeutic effects for "Asthma"
Term
Sympathetic NT's are
Definition
NOE and Epi
Term
Receptor sites for the sympathetic NT NOE and EPI
Definition

andrenergic receptors

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