NUR 663 Exam Questions With Verified Correct Solutions || UPDATED
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Course
NURS 663
Institution
NURS 663
NUR 663 Exam Questions With
Verified Correct Solutions ||
UPDATED
At what age can a child conserve numbers? - ANSWER age 6
At what age can a child conserve mass? - ANSWER age 7
At what age can a child conserve weight? - ANSWER age 9
Alpha 1 and 2 primarily the only e...
NUR 663 Exam Questions With
Verified Correct Solutions ||
UPDATED
At what age can a child conserve numbers? - ANSWER ✔ age 6
At what age can a child conserve mass? - ANSWER ✔ age 7
At what age can a child conserve weight? - ANSWER ✔ age 9
Alpha 1 and 2 primarily the only effects are: - ANSWER ✔ -Alpha
1 effect is vasconstriction
-Alpha 2 effect is primarily to monitor norepinephrine (negative
feedback)
Beta 1 is found - ANSWER ✔ heart
beta 1 causes increase in - ANSWER ✔ heart rate (positive
chronotropic
-increase in force of contraction (positive inotropic)
-increase conduction of nerves (positive dromotropic)
beta 2 clinical effects - ANSWER ✔ can all be explained by
smooth muscle relaxation'
-relaxes smooth muscle around arterioles to drop blood pressure
-reduces smooth muscle around lungs to allow lung expansion
-relaxes smooth muscle around uterine muscle to stop premature
labor
, Beta 3 effects - ANSWER ✔ no effects on heart or organs other
than the bladder
sympathomimetic - ANSWER ✔ mimics the sympathetic nervous
system
-adrenergic like
Alpha 1 agonists are primarily used for - ANSWER ✔ increase
blood pressure and decrease nasal secretions
the alpha 1 agonists that are taken orally are used for - ANSWER
✔ nasal decongestants
if you have a patient with HTN, why wouldn't you want them
taking a nasal decongestant? - ANSWER ✔ nasal decongestants
(Alpha 1 agonists) will increase blood pressure
uses and effects of Alpha 1 Agonists: - ANSWER ✔ used to
decrease nasal secretions.
-works with vasoconstriction, causing vasoconstriction in mucus
membrane in nasal passage, nasal secretions dry up
uses and effects of Alpha 1 agonists: vasopressors - ANSWER ✔
to increase blood pressure
-can cause reflex bradycardia
, administration of alpha 1 agonists via IV administration will
cause: - ANSWER ✔ severe necrosis if extravasated
abuse of alpha 1 agonists: - ANSWER ✔ CNS stimulatory effects
(Speed) - Sudafed is being converted into methamphetamines
Midodrine (ProAmatine) - ANSWER ✔ forms an active
metabolite, that is an alpha 1 agonist
-does not affect beta receptors
-all effects are peripheral
-causes vasoconstriction and increases blood pressure as an oral
agent
what is the endogenous transmitter for alpha 1? - ANSWER ✔
norepinephrine
what is the endogenous transmitter for Alpha-2? - ANSWER ✔
norepinephrine
alpha 1 antagonist or alpha -1 blockers - ANSWER ✔ block
constrictive effects of norepinephrine
alpha 1 antagonists uses: - ANSWER ✔ two specific groups:
group 1 is used for antihypertensive purposes and group 2 is for
BPH treatment
clinical effects of systemic alpha-1 blockers - ANSWER ✔ if
patient is taking for large prostate, they'll have
nasal congestion
decrease in blood pressure
Prazosin (Minipress) is associated with - ANSWER ✔ first dose
syncope
-often passes out causing serious harm
Terazosin and doxazosin are associated with - ANSWER ✔
orthostatic hypotension
why are alpha 1 antagonists not used for first line
antihypertensive medications anymore? - ANSWER ✔ heart
failure
-in clinical trials, they looked at final organ damage and
individuals using alpha 1 blockers developed heart failure than
nay other antihypertensive medications
Prazosin can also relieve - ANSWER ✔ nightmares and sleep
disturbances associated with PTSD
What drug is an alpha 1 antagonist used in extravasation of
alpha agonists such as IV norepinephrine? - ANSWER ✔
Phentolamine (Regitine)
Alpha 2 agonists are more frequently referred to as: - ANSWER
✔ antiadrenergics
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