Based on the book by Beasley, 2nd Edition
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 | Coronary arteries
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| show | gas exchange
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| What is characterized by gas exchange? | show 🗑
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| What is the cardiac cycle? | show 🗑
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| show | Systole or ventricular systole is simultaneous contraction of the ventricle.
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| show | Diastole is synonymous with ventricular relaxation.
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| Why does the heart function as a unit? | show 🗑
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| What happens when the atria contract? | show 🗑
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| What happens when simultaneous contraction of the ventricles occur? | show 🗑
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| During ventricular contraction, what is occuring to the mital (bicuspid) and tricuspid valves and the the pulmonic and aortic valves? | show 🗑
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| How much blood fills the ventricles during ventricular diastole? | show 🗑
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| show | The active contraction of the atria propels the remaining 30% of the blood into the ventricles.
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| What happens during periods of ventricular relaxation? | show 🗑
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| show | One (1) cardiac cyle occurs every 0.8 seconds.
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| How long does systole last? | show 🗑
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| show | Diastole lasts about 0.52 seconds.
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| show | Stroke volume is the volume of blood pumped out of one ventricle of the heart in a single beat or contraction.
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| show | 70 cc (cubic centimeters or millileters) per beat
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| What is the definition of heart rate? | show 🗑
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| What is the normal adult heart rate? | show 🗑
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| show | Cardiac output is the amount of blood pumped by the left ventricle in 1 minute.
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| True or False: Ventricle outputs are considered normally equal. ... and why? | show 🗑
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| show | Cardiac Output (CO) = Stroke Volume (SV) x Heart Rate (HR)
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| show | When a patients cardiac output is outside the normal range, the heart will try to balance it by changes in either the stroke volume or the heart rate.
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| show | The cardiac output is 5600 cc per minute (or 5.6 liters per minute).
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| What is the pressure in the ventricles at the end of diastole? | show 🗑
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| show | Afterload
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| What is Starling's law of the heart? | show 🗑
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| show | Peripheral vascular resistance (PVR)
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| What determines peripheral vascular resistance? | show 🗑
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| show | Blood pressure (BP) = Cardiac Output (CO) x Peripheral Vascular Resistance (PVR)
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| What does the autonomic nervous system regulate? | show 🗑
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| What is the sympathetic nervous system responsible for? | show 🗑
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| show | The autonomic nervous system.
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| What are the two divisions of the autonomic nervous system? | show 🗑
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| What is the definition of innervate? | show 🗑
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| show | The majority of organs
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| What is ONLY innervated by the sympathetic nervous system? | show 🗑
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| What portion of our body is regulated by the calmer functions (rest and digest) of our existence? Hint: It is a system. | show 🗑
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| show | Neurotransmitters are secreted from the nerve endings of the sympathetic and parasympathetic nervous systems.
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| show | Two (2)
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| show | The receptors are the alpha- and beta-receptors.
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| What is the chemical neurotransmitter for the sympathetic nervous system? | show 🗑
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| What is the chemical neurotransmitter for the parasympathetic nervous system? | show 🗑
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| show | Adrenergic
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| What happens in the sympathetic nervous system when norepinephrine is released? | show 🗑
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| What is the chemical neurotransmitter for the parasympathetic nervous system? | show 🗑
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| What are the nerve endings in the parasympathetic nervous system? | show 🗑
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| show | Capillaries
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| show | The heart and lungs have beta-adrenergic receptors.
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| show | Vaso = Blood vessel
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| What pertains to the sympathetic nerve fibers of the autonomic nervous system that use epinephrine or epinephrine-like (norepinephrine) substances as neurotransmitters? | show 🗑
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| What reactive site on the cell surface or within the cell combines with a drug molecule to produce a physiological effect? | show 🗑
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| show | Cholinergic
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| show | An increase in blood pressure
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| What is caused by beta 1 receptors? | show 🗑
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| show | 1. Bronchial dilation2. Vasodilation
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| Pertaining to the adrenergic receptors and their effects on heart rate, what does A B C D stand for? | show 🗑
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