Quiz 4 - 11 Blood pressure is highest at the time of...

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1. What gas is taken up during ventilation?  Oxygen, O2 2. What gas is released during ventilation?  Carbon Dioxide, CO2 3. What molecule is broken down to generate energy?  Glucose 4. During ventilation, gases enter and exit the circulatory system by the process of  Ventilation . 5. The amount of water pumped by a crayfish past its gills is proportional to what?  Volume of water  pumped 6. Why is nitrogen gas bubbled through the water in this laboratory exercise ?  To expose the crayfish to  a low concentration of oxygen   7. In what direction do crayfish pump water?  Posterior   Anterior 8. In the crayfish physiology lab, you will be taking oxygen concentration data readings every  5  minutes. 9. Blood pressure is defined as  the force per unit area that the blood exerts upon the walls of the  blood vessels. 10. Vessels that carry blood away from the heard are called  Arteries
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Unformatted text preview: 11. Blood pressure is highest at the time of ventricular contraction 12. The highest blood pressure reading is called the systolic 13. During ventricular relaxation, you will measure the diastolic pressure. 14. A sphygmomanometer consists of an inflatable armband, rubber bulb, and a pressure gauge. 15. The arm-band is initially inflated to a pressure that stops blood flow? Blood in the artery? . 16. When you can first hear a pulse in the stethoscope, the gauge will measure the systolic pressure. 17. In what units is blood pressure measured? mm Hg 18. The diving response is characterized by a reduction in the pulse rate and the blood flow when someone places his/her face in water. 19. Capillaries are tiny vessels that connect the arteries to the veins. 20. Vessels that carry blood towards the heart are called veins ....
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