NUR 239 Exam 4 (100% Correct answers)

What does a Transient Ischemic attack warn of? correct answers impending stroke: "brain angina" Levadopa action correct answers precursor to dopamine, converted in brain and peripheral tissue to dopamine Levadopa contraindications correct answers glaucoma, caution with heart, renal, liver, endocrine diseases, MAO inhibitors (depression med) Adverse Effects of Levodopa correct answers anorexia, nausea & vomiting, liver toxicity, orthostatic hypotension, tachycardia, Headache, anxiety, restlessness, agitation, depression, psychosis, suicidal, dyskinesia Nursing Implications of Levodopa correct answers •Takes 6-8 weeks to be effective •Do not take with oral iron supplements or Vit. B6 •Do not eat high protein meals at time take med •Take with a meal or after to reduce nausea Action of carbidopa correct answers •blocks peripheral biotransformation in liver and periphery (carboxylation) of levodopa so more reaches brain Use of carbidopa correct answers •given with levodopa to decrease dosage needed Nursing Implications of carbidopa correct answers •Sinemet is combination levodopa & carbidopa •CR form- do not crush •Taken up to 6 X/day (half life 1-3 hours) •Caution drowsiness, dizziness •After 5 years decreased therapeutic effects Action of benztropine mesylate (Cogentin) correct answers •restores balance of dopamine and cholinergic levels in brain Adverse Effects of Benztropine mesylate correct answers •sedation, CNS, cardiac, dry mouth, constipation, urinary retention •avoid extreme environmental temperatures •effectiveness lessens over time; so if increase dose = increased adverse effects Action of aspirin correct answers inhibits COX- enzyme in thromboxane Nursing Implications of aspirin correct answers patients who have asthma, allergies, and nasal polyps or who are allergic to tartrazine are at an increased risk for developing hypersensitivity reactions