Day 1: Dr. Clark Cardiovascular Physiology Review
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| show | Where blood travels from the heart to lungs and returns back to the heart
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| What is the Systemic circuit? | show 🗑
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| T/F Arteries carry blood away from the heart | show 🗑
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| T/F Veins carry blood toward the heart | show 🗑
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| What are capillaries? | show 🗑
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| show | 4, right atrium, right ventricle, left atrium, left ventricle
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| What is the job of AV valves and semilunar valves? | show 🗑
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| Know the process of blood flow through the heart. | show 🗑
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| What are the two types of cardiac cells involved in generation of a heartbeat? | show 🗑
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| show | SA node, 60-100 impulses/min
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| How many impulses/min does the AV conduct? | show 🗑
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| show | Allows for emptying of the ventricle before another contraction occurs
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| show | Membrane cannot response, another action potential cannot be produced
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| What is the relative refractory period? | show 🗑
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| show | 1. SA node activity and atrial activation begin
2. Stimulus spreads across the atrial surfaces and reaches AV node.
3.) There is a 100-msec delay at AV node, Atrial contraction begins.
4.) Impulse travels along interventricular septum within the AV..
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| How does the Impulse conduction process work? Pt.2 | show 🗑
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| How does the Impulse conduction process work? Pt.3 | show 🗑
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| What does the P wave represent in an ECG or EKG? | show 🗑
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| What does the QRS complex represent in an ECG or EKG? | show 🗑
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| show | time from atrial depolarization to beginning of ventricular depolarization
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| What does the ST segment represent in an ECG or EKG? | show 🗑
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| What does the QT interval represent in an ECG or EKG? | show 🗑
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| show | Period between start of one heartbeat and beginning of next heartbeat
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| What are the two phases of the cardiac cycle? | show 🗑
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| show | T
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| show | Blood remaining at the end of ventricular diastole
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| show | Blood remaining at the end of ventricular systole
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| What is happening during the 1st heart sound? | show 🗑
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| What is happening during the 2nd heart sound? | show 🗑
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| What is stroke volume (SV)? What is the equation? | show 🗑
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| show | Fraction of blood ejected from ventricles relative to EDV.
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| What is cardiac output (CO)? What is the equation? | show 🗑
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| show | Relationship between cardiac output and body surface area (BSA).
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| What is preload? | show 🗑
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| show | Resistance in circulatory system used to create blood pressure and the flow of blood.
(MAP-CVP) / CO
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| What is mean arterial pressure (MAP)? Normal range? Equation? | show 🗑
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| What is central venous pressure (CVP)? Normal range? | show 🗑
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| show | Amount of tension ventricles must overcome to open semilunar valves and eject blood.
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| show | describes the relationship of myocardial stretch and contractility.
Inc volume in ventricle → inc myocardial stretching. Inc myocardial stretching → inc SV
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| show | Sympathetic nervous system (SNS) and Parasympathetic nervous system (PNS)
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| T/F Heart is innervated by both SNS and PNS | show 🗑
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| T/F SNS stimulation releases norepinephrine (NE) which stimulates adrenergic receptors on target organ | show 🗑
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| show | T
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| show | Control cardiac activity by monitoring baroreceptors and chemoreceptors
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| show | heart rate
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| What is Dromotropy? | show 🗑
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| What is Inotropy? | show 🗑
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| show | T
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| T/F PNS activation causes negative chronotropy, dromotropy, and ionotropy | show 🗑
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| show | Atrial natriuretic peptide and brain natriuretic peptide respectively. Promotes vasodilation and induce natriuresis and diuresis.
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| What is Neprilysin? | show 🗑
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| show | Medulla
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| What part of the adrenal gland produces Cortisol, Aldosterone, and androgens and estrogen? | show 🗑
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| show | Regulates genes involved in myocardial contraction and electrochemical signaling
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| show | Muscarinic, inhibition of cardiac muscle
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| show | Adrenergic, B1 = heart, inc heart rate and force of contraction, B2 = lungs, dilates blood vessels and bronchioles, A1 = blood vessels, constricts blood vessels, A2 = membrane of adrenergic axon terminals, inhibits NE release from adrenergic terminals
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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