Lonestar Pharmacolog
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each of the black spaces below before clicking
on it to display the answer.
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| What is Chronotropy? | show 🗑
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| show | Contractility (Stroke Volume)
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| show | Speed of Conduction
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| What is Positive Chronotropy? | show 🗑
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| What is Positive Inotropy? | show 🗑
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| show | Slowing conductivity through the AV node.
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| show | Decreased contractility (Decreased Stroke Volume)
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| show | Decrease in the Rate of impulse generation at the SA node.
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| show | Decrease in the Rate of Impulse generation at the AV node.
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| show | Sodium Influx
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| show | Calcium Influx
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| Where are Slow Potentials located? | show 🗑
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| Where do Calcium Channel Blocker medications take effect? | show 🗑
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| show | Slow Potentials (Since SA rate is faster than the AV node it over-rides the rate)
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| Where are Fast Potentials located? | show 🗑
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| show | Rapid depolarization due to rapid sodium channels opening (Na+ Influx), inside of cell becomes more positive.
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| show | Slow Potassium channels open (K+ Efflux), this marks the start of repolarization.
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| What is Phase 2 in Fast Potentials? | show 🗑
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| show | Calcium ions (Ca++) stops influx and Potassium (K+) rapidly exits the cell. This returns the cell membrane to its normal electrical charge.
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| show | Represents the Resting Membrane Potential (RMP).
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| show | Acetycholine
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| show | Norepinephrine
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| List Three Parasympathetic/Cholinergic stimulant terms. | show 🗑
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| show | Parasympatholytic
Anticholinergic
Parasympathetic Antagonist
Cholinergic Blocker
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| List Five Sympathetic/Adrenergic Stimulant Terms. | show 🗑
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| List Five Sympathetic/Adrenergic Suppressant Terms. | show 🗑
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| Phase 2 of Fast Potentials is called what? | show 🗑
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| If a stimulus occurred at Phase 2 of Fast Potentials the stimulus wouldn't have an effect because? | show 🗑
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| Phase 3 of Fast Potentials is called what? | show 🗑
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| show | This means the if the heart were in a dysrhythmia the Relative Refractory Period is the best time to start an action potential to fix the rhythm.
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| show | By the slow influx of Ca++ (slow Ca++ channels)
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| show | With slow potentials and the depolarization by the slow influx of Ca++.
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| show | Abnormal impulse formation (automaticity) Abnormal conductivity (re-entry)
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| show | The Tachys and the Bradys
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| show | Slow it down.
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| show | Atropine
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| show | Sinoatrial (SA)node
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| show | All mycocardial tissue both contractile and conductive.
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| At rest there are more of what kind of ion outside the cell than inside? | show 🗑
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| show | Na+ Sodium
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| What is the primary ion outside of the cell? | show 🗑
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| Which ion is responsible for muscle contraction? | show 🗑
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