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WGU D116 Unit 3 With Questions And 100% ALL CORRECT ANSWERS
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Terms in this set (93)
A patient asks his provider to explain what drug may need increased amounts of the drug over time
tolerance means.
The provider responds by telling the patient that When tolerance develops, a dose increase may be needed because a decreased response may
when tolerance occurs, it means the patient ______ _. occur with prolonged use
Prevents some potentially toxic substances from crossing into the central nervous system
A group of nursing students asks a nurse to explain
Infants are more sensitive to CNS drugs and require lower doses
the blood-brain barrier.
The nurse would be correct to say that the blood-
Prevents highly ionized and protein-bound drugs from entering
brain barrier ______ _.
Allows lipid-soluble drugs drugs and drugs that use specific transport systems to enter
WGU D116 Unit 3
,8/5/24, 4:41 PM
Beta 2 agonist (helper)
Part of the peripheral adrenergic receptor subtypes (epi/norepi)
A pregnant patient is in premature labor.
Which class of drug will she be given? Beta2 agonists cause relaxation of the uterine muscles, slowing or stopping the contractions that
precipitate labor
Beta2 ANTagonist would increase constriction of the uterine muscles
What type of drug class has effects on the heart Alpha1 agonist
and arterioles?
Urinary and GI tracts
Anticcholinergic drugs are given for what effects?
They do not affect the urine muscles
A nurse is explaining the activation of beta-2 "Beta2 activation results in contraction of the uterine muscles"
receptors to nursing students during a clinical
rotation at the hospital. Beta2 activation DOES result in vasodilation of skeletal muscles, bronchodilation, and
Which statement by a student demonstrates a need glycogenolysis, and RELAXATION of uterine muscles
for further teaching?
A provider is teaching a patient about a medication "The digestive functions of the body"
that alters the sympathetic nervous system
functions. To evaluate understanding, the provider All apart of the sympathetic nervous system:
asks the patient to describe which functions the 1. fight or flight
sympathetic nervous system regulates. 2. cardiovascular system
Which answer indicates the need for further 3. body temperature
teaching?
A patient is experiencing toxic side effects from Physostigmine (Mestinon, Regonol)
atropine, including delirium and hallucinations.
Which medication will the provider ask the nurse to Drug of choice for treating poisoning from atropine and other drugs that cause muscarinic blockage
administer? ie: atropine (Muscarinic Antagonist)
What drug is used to treat Alzheimer's Disease? Donepezil
A patient who has myasthenia gravis will be taking Take a supplementary dose before exercise
neostigmine.
What should the nurse emphasize when teaching
this patient about the medication?
, 8/5/24, 4:41 PM
Lowering of intraocular pressure in pts with glaucoma
You have ordered pilocarpine. You understand that
the drug stimulates muscarinic receptors. Also used to treat dry mouth because it increases salivary glands "Rest and digest"
Which action would you expect the drug to have?
Muscarinic agents are related to parasympathetic response
Catecholamines often require continuous infusion to be effective
You are teaching a nursing student about the two Catecholamines undergo rapid degradtion by monoamine oxidase MAO and COMT. Brief duration
classes of adrenergic agonist drugs. of action and continuous IV to be effective
Which statement by the nursing student indicates
understanding of the teaching? They DO NOT cross the BBB, noncatecholamines do
Noncatecholamines can be given orally but catehcholamines can not
causing hemostasis in skin and mucous membranes
Because they cause vasoconstriction, alpha1-
Example is epinephrine
adrenergic agonists are especially useful for ______ _.
These agents can increase BP but are not the primary drug used except in emergency situations
Epinephrine has the ability to activate multiple types of adrenergic receptors
A nursing student asks you why epinephrine, and no
Beta 1 receptors increase CO and BP
other adrenergic agonists, is used to treat
anaphylactic shock.
Beta 2 receptors increase bronchodilation
What will you tell the student?
Alpha 1 receptors causes vasoconstriction and increases HR and BP
Dopamine is administered to a patient who has Increase in urine output because of the increase in cardiac output which was a result of the increase
been experiencing hypotensive episodes. in BP
Other than an increase in blood pressure, which
indicator would the nurse use to evaluate a
successful response?
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