Describe the effects of beta 2 stimulators. Correct Answer
Explain the effects of cholinergic medications. Correct Answer -act directly at cholinergic receptors and mimic/block actions of acetylcholine
-suppress parasympathetic nervous system=drying out secretions from body (saliva, tears, swe...
NUR 378 Exam 3 Questions with Correct Answers. Describe the effects of beta 2 stimulators. Correct Answer Explain the effects of cholinergic medications. Correct Answer -act directly at cholinergic
receptors and mimic/block actions of acetylcholine
-suppress parasympathetic nervous system=drying out secretions from body (saliva, tears, sweat, bronchial and GI secretions); relaxation of smooth muscle in intestine, bronchi and urinary bladder; ↑ HR
Identify the effects of dopamine receptor activation medication. Correct Answer Identify the signs of and the drug used for anaphylactic shock Correct Answer Explain the consequences of using too much albuterol, and associated patient teaching needed. Correct Answer -albuterol=bronchodilation
-too much albuterol=loses selectivity and activates beta 1 receptors
-undesired cardiac stimulation
-->tachycardia
-->dysrhythmias
-->a/v fib
Identify the most serious side effect with alpha1-adrenergic receptor blockers. Correct Answer -orthostatic hypotension
-reduced blood flow to brain, dizziness and syncope
-cause: blocked receptors on veins, blood pools and not returned to heart
List the contraindications for administering beta blockers. Correct Answer -sinus bradycardia
-AV heart block greater than first degree
-used w/ caution in pt with HF
-used w/ caution pt with asthma, bronchospasm, diabetes, hx of allergic reactions, depression, concurrent CCB
Describe the nursing interventions for the side effects of alpha2-adrenergic agonists, such as clonidine. Correct Answer -asses use of alcohol and CNS depressants
-do not chew, crush or spit ER meds
-monitor BP and HR (initial and each dosage change)
-avoid abrupt DC (rebound HTN)--taper off
Identify the drug classes that decrease systemic vascular resistance. Correct Answer -
ACE inhibitors -ARBs
-alpha adrenergic blockers
-centrally acting alpha-2 agonists
-direct vasodilators
Describe the effects of beta 2 adrenergic antagonist. Correct Answer -
Identify the drug of choice for bradycardia treatment. Correct Answer -atropine
-best known muscarinic antagonist
-increases HR through blockage of cardiac muscarinic receptors
What are the toxic effects of cholinesterase inhibitors? Correct Answer What is the therapeutic use of norepinephrine? What is the expected result of therapy? Correct Answer How is glycogenesis affected by beta blockers? Correct Answer Define cross tolerance, physical dependence, and tolerance, addiction Correct Answer -
cross tolerance: *opioid agonists* individuals that are tolerant to one agent will be tolerant to all
-phyical dependence: state in which abstinence syndrom will occur if the drug use is abruptly stopped
-tolerance: state in which a larger dose is required to produce the same response that previously could have been achieved
-addiction: disease caused by individual pursuing rewards /relief by substance abuse
Explain why a patient's health history is important when administering medication. Give an example using Propofol. Correct Answer -
Discuss the nursing implications (including patient teaching for levodopa/carbidopa. Correct Answer Identify patient teaching principles for those on CNS drugs. Correct Answer Describe the effects of dopamine agonists on a patient. Correct Answer Explain the mechanism of action for Donepezil and its effects on patients. Correct Answer Identify the priority nursing implications for patients taking anti-seizure medication. Correct Answer
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