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NURA-221 EXAM IV Questions And Accurate Answers
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NURA-221 EXAM IV Questions And Accurate AnswersVasodilators act primarily on ___________
arterioles, but some act on veins and some act on both
Vasodilators are used primarily when a patient is experiencing _____________
hypertensive crisis
Vasodilators may also be indicated in.
- HTN
- Angina
- MI
- Pheochromocytomia (because of the increase in adrenaline being released)
- PVD
It is important to go ___________ and _____________ anytime we are affecting blood
pressure with medications.
low and slow
SE/AR of Vasodilators
- postural hypotension (SE)
- reflex tachycardia (SE)
- expansion of blood volume (AR)
A poor side effect of vasodilators is _________
expansion of blood volume; the body senses the drop in BP and makes more blood in
response further worsening the problem
RBC level is checked for ______ following vasodilator administration.
4 hours
hydralazine
(Apresoline); vasodilator that acts selectively on arterioles; AR is systemic lupus
erthematosus
, Butterfly rash is seen in ____________ clients
lupus; vasodilation of small capillaries in face
minoxidil
(Loniten); vasodilator, has a profound vasodilation response but can have more SE/AR;
most common side effect is hypertrichosis
Hypertrichosis
excessive growth of hair
Diazoxide
(hyperstat IV); vasodilator given IV for HTN crisis
sodium nitroprusside
(Nipride); vasodilator, it's the quickest working anti-HTN known, has an end product of
cyanide so toxicity is a concern; must be kept away from sunlight
The medication of choice for hypertensive crisis is ______________
sodium nitroprusside (nipride) since it's the most rapid however reflex tachycardia also
occurs and cyanide levels must be followed while on it
Glycosides
class of cardiac medications that treats heart failure
digoxin
(Lanoxin); a cardiac digitalis glycoside extracted from foxglove
3 Main Actions of Digoxin:
- positive inotropic action
- negative chronotropic action
- negative dromotropic action
The major indication of action for the administration of digoxin is ____________
its + inotropic action
The primary disease cardiac glycosides is given for is ___________
congestive heart failure; its + inotropic action allows for a stronger contraction of the
heart
Cardiac glycosides can be given for a-fib because.
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