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NURS 480 EXAM 2 QUESTIONS AND CORRECT DETAILED ANSWERS | NEW UPDATE 2025
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NURS 480 EXAM 2 QUESTIONS ANDCORRECT DETAILED ANSWERS | NEW
UPDATE 2025
atenolol - ANSWER lowers heart rate (heart beats slower) and with less force
widens veins to lower blood pressure
usually given to patients with:
- atrial fibrillation
side effects:
- hypotension
- bradycardia
- dizziness
atropine - ANSWER increases heart rate and improves atrioventricular
conduction by blocking the parasympathetic influences on the heart
initial treatment for:
- symptomatic 3rd degree AV blocks
- sinus bradycardia
- asystole
epinenphrine - ANSWER increases heart rate and effectiveness of the lungs,
therefore increasing oxygenation
increases blood pressure & blood sugar
used for:
,- ventricular tachycardia
- ventricular fibrillation
- asystole
warfarin - ANSWER oral anticoagulant used to treat and prevent blood clots
patients must understand the risks of bleeding & that they may bleed longer from
cuts
nitroglycerin - ANSWER vasodilator used to relieve chest pain
side effect:
- hypotension
morphine - ANSWER reserved for patients with:
- myocardial ischemia
side effects:
- respiratory depression
- constipation
lisinopril - ANSWER ACE inhibitor used to treat high blood pressure and heart
failure
education:
- take with food or milk
- check pulse before taking
- report angioedema
, - flushing of skin or persistent cough is normal
sinus tachycardia characteristics - ANSWER ventricular & atrial rate:
- between 100-120 bpm
ventricular & atrial rhythm:
- regular
QRS shape & duration:
- usually normal
P wave:
- normal and consistent shape
- always in front of the QRS but may be buried in the T wave
PR interval:
- consistent interval between 0.12-0.20 seconds
P:QRS ratio:
- 1:1
sinus tachycardia causes - ANSWER stress
- acute blood loss
- anemia
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