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16 Cards in this Set
- Front
- Back
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During ventilation, gases enter and exit the circulatory system by the process of ______________.
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diffusion
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The amount of water pumped by a crayfish past its gills is proportional to what? __________________________
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amount of O2 crayfish takes in
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Why is nitrogen gas bubbled through the water in this laboratory exercise? ___________________________________________
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expose crayfish to low conc of H20
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In what direction do crayfish pump water? ________________
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anterior (forward)
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In the crayfish physiology lab, you will be taking oxygen concentration data readings every ____________ minutes.
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5
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Blood pressure is defined as _________________
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ratio between critical pressure @ time of ventricular contraction and relaxation
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Vessels that carry blood away from the heard are called ____
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arteries
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Blood pressure is highest at the time of ____________
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ventricular contraction
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The highest blood pressure reading is called the _________
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systolic pressure
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During ventricular relaxation, you will measure the ______________ pressure.
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diastolic
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A ____________________ consists of an inflatable armband, rubber bulb, and a pressure gauge.
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sphgmamanometer
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The arm-band is initially inflated to a pressure that stops ____________
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blood flow to the arm
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When you can first hear a pulse in the stethoscope, the gauge will measure the ______________ pressure.
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systolic
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In what units is blood pressure measured? ________________
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mmHg
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_____________________ are tiny vessels that connect the arteries to the veins.
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capillaries
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Vessels that carry blood towards the heart are called ____________
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veins
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