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25 Cards in this Set
- Front
- Back
What is Inspiration? |
active process |
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What is Expiration |
passive process at rest secondary muscles |
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During exercise why does the mouth breathing replace nasal breathing? |
less resistance to airflow |
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pulmonary circuit |
blood vessels going to and from the lungs |
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systemic circuit |
blood vessels going to and from the rest of the tissues of the body |
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electrocardiography |
record the wave of depolarization as it passes across the heart using electrodes on the surface of the body |
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arrhythmia |
an irregularity in the rhythm of the heartbeat |
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trace the air pathway from nose to alveoli |
nose->pharynx->larynx->trachea->primary bronchi->secondary bronchi->tertiary bronchi->terminal bronchioles-> respiratory bronchioles->alveolar ducts->alveoli |
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____ separates the air in alveoli from blood in capillaries |
Respiraory membrane |
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Inspiration causes diaphragm to ________ |
descend |
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Expiration is a ______ process at rest. |
passive |
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pulmonary function test norms are usually based on ____,_____, and ______ |
sex, age and height |
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Total Lung Capacity = _____ + ______ |
Vital Capacity + Residual volume |
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What is a minute Ventilation = _____ X _______ |
tidal Volume x number of breaths per minute |
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What is ventilatory threshold |
the point at which minute ventilation increases disproportionately with oxygen consumption during exercise |
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the circulatory system is divided into _____ circuit and ______ circuits |
pulmonary circuits and systemic |
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A _____ divides the let and right sides of the heart. |
septum |
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the pacemaker of the heart is the _______ |
S_A node |
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The amount of ______ a body possesses is directly proportional to its mass |
inertia |
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What will damage to the cerebellum result in |
Impaired motor control. |
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A high concentration of _____ ions on the outside of the nerve membrane cause it to be electrically _____ while the inside of the nerve is ______ |
Sodium, positive, negative |
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AMS occurs _____ hours after arriving at altitude and usually lasts _____ |
12-36 hours, 2-3 days |
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Name 4 symptoms associated with AMS. What does this syndrome resemble? |
Headache, fatigue, irritablilty, loss of appetite, nausea, vomiting, dizziness. |
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Name 3 potential medical problems associate with scuba diving |
air embolism, pneumothorax, the bends, oxygen poisoning, mask squeeze, middle ear squeeze. |
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what causes a heart murmur |
valve is damaged/does not close properly, blood regurgitates causing a noise |