Term
| What is a sound-amplifying device that converts a small displacement of a large volume of air into a large displacement of a small volume of air? |
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Definition
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Term
| What the contraction of heart chambers called? |
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Definition
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Term
| What is the relaxation of heart chambers called? |
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Definition
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Term
| In the aorta, the pulmonary artery and other arteries of large diameter, what is most of the vessel wall occupied by? |
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Definition
| Circular smooth muscle interspersed with elastic fibers. |
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Term
| What is the pulse felt at the wrist from? |
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Definition
| The pulse of the radial artery. |
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Term
| What drives blood forward during ventricular diastole? |
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Definition
| Elastic recoil of arteries (micro-circulation). |
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Term
| What is the name of the "filling phase?" |
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Definition
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Term
| What device is used to measure blood pressure? |
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Definition
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Term
| What artery is the cuff placed over when determining blood pressure? |
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Definition
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Term
| What is blood pressure traditionally expressed in? |
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Definition
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Term
| What arrangement is blood pressure traditionally expressed in? |
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Definition
| Systolic pressure/diastolic pressure. |
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Term
| Why can you hold your breath longer after hyperventilation? |
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Definition
| Rapid breathing reduces the amount of CO2 in your blood. |
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Term
| What causes the primary need to breathe? |
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Definition
| CO2 accumulation (elevated levels of CO2). NOT O2 deprivation. |
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Term
| What does elevated levels of CO2 lead to? |
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Definition
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Term
| What are four factors that can influence the effect of exercise on cardiopulmonary function besides the duration and intensity of the exercise? |
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Definition
| Age, sex, general physical condition, and immediate physical state (health, mental state). |
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Term
| What comes first the "lub" or the "dub?" |
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Definition
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Term
| What sound is of relatively long duration and low-pitch? |
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Definition
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Term
| What sound is associated with the closing of the valves between the atria and the ventricles? It is a shorter, high pitched sound. |
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Definition
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Term
| Where does oxygen deficient blood enter the heart? |
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Definition
| Superior vena cava and inferior vena cava. |
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Term
| What valve does the blood go through first? |
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Definition
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Term
| What arteries does the oxygen deficient blood exit the heart through? |
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Definition
| Right and left pulmonary arteries. |
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Term
| Where does oxygen rich blood return to the heart through? |
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Definition
| Right and left pulmonary veins. |
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Term
| Before leaving the heart through the left and right pulmonary arteries, oxygen deficient blood must pass through what valve? |
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Definition
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Term
| When oxygen rich blood returns to the heart from the lungs, what valve must it pass through? |
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Definition
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Term
| Where does oxygen rich blood exit the heart? |
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Definition
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Term
| What valve must oxygen rich blood go through just before exiting the heart? |
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Definition
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