Lonestar Pharmacolog
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Heart Rate
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| show | Contractility (Stroke Volume)
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| What is Dromotropy? | show 🗑
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| show | Increase in the Rate of impulse generation at the SA node.
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| show | Increased contractility (Increased Stroke Volume)
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| What is Positive Dromotrope? | show 🗑
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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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| What is Negative Dromotrope? | show 🗑
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| show | Sodium Influx
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| What influx Causes Slow Potentials? | show 🗑
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| show | Located in two dominant pacemaker cells of the heart, the SA and AV nodes.
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| Where do Calcium Channel Blocker medications take effect? | show 🗑
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| What is responsible for spontaneous generation of impulses in the SA and AV node? | show 🗑
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| show | Occur in myocardial tissue (muscle) and the ventricular conduction (electrical)system.
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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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| What is Phase 3 in Fast Potentials? | show 🗑
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| What is Phase 4 in Fast Potentials? | show 🗑
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| What is the Parasympathetic/Cholinergic Primary Neurotraansmitter? | show 🗑
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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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| show | Sympatholytic
Antiadrenergic
Sympathetic Antagonist
Alpha Blocker
Beta Blocker
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| show | Absolute Refractory Period
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| show | Because the Ions are all in the "wrong place".
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| show | Relative Refractory Period
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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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| Where do Calcium Channel Blockers take effect? | show 🗑
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| Where do Abnormal heart rhythms arise from? | show 🗑
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| What are the most common heart dysrhythmias? | show 🗑
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| What would excessive parasympathetic stimulation do to the heart? | show 🗑
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| show | Atropine
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| show | Sinoatrial (SA)node
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| Which myocardial tissue has the ability to create its own electrical impulse (automaticity)? | show 🗑
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| show | More positive ions outside the cell than inside. This is why the cell has a slight negative charge.
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| show | Na+ Sodium
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| show | K+ Potassium
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| show | Calcium Ca++
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raydef44
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