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Class II Antidysrhythmic Drugs (Beta Blockers) UPDATED Exam Questions and CORRECT Answers $9.49   Add to cart

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Class II Antidysrhythmic Drugs (Beta Blockers) UPDATED Exam Questions and CORRECT Answers

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Class II Antidysrhythmic Drugs (Beta Blockers) UPDATED Exam Questions and CORRECT Answers Beta blockers work by blocking the action of which catecholamine(s)? Select all that apply. Serotonin Histamine Dopamine Epinephrine Norepinephrine - Correct Answer- Epinephrine Beta blockers block...

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  • August 26, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Class II Antidysrhythmic Drugs
  • Class II Antidysrhythmic Drugs
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Class II Antidysrhythmic Drugs (Beta
Blockers) UPDATED Exam Questions and
CORRECT Answers

Beta blockers work by blocking the action of which catecholamine(s)?


Select all that apply.




Serotonin


Histamine


Dopamine


Epinephrine


Norepinephrine - Correct Answer- Epinephrine


Beta blockers block the action of the catecholamine epinephrine. This action decreases heart
rate and blood pressure.


Norepinephrine


Beta blockers block the action of the catecholamine norepinephrine. This action decreases
heart rate and blood pressure.


Which medication is classified as a nonselective beta blocker?

, Atenolol


Acebutolol


Metoprolol


Propranolol - Correct Answer- Propranolol


What percentage of the drug metoprolol IV is excreted in the urine within 24 hours?




10%


25%


50%


85% - Correct Answer- 85%


Metoprolol is metabolized and excreted by the liver. When it is given intravenously, 85% of a
dose of metoprolol is excreted in urine within 24 hours.


What is the half-life of propranolol?




1 to 2 hours


2 to 3 hours


3 to 6 hours

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