When Chemoreceptors in Blood Vessels Detect High Levels of Carbon

question 24

Multiple Choice

When chemoreceptors in blood vessels detect high levels of carbon dioxide in the blood,they stimulate all of the following changes EXCEPT

• A)increased vasoconstriction of arterioles.
• B)increased blood pressure.
• C)decreased respiratory rate.
• D)increased sympathetic stimulation of arterioles and veins.
• E)increased vasoconstriction of veins.

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Definitions:

CT

Computerized Tomography, a medical imaging technique that combines multiple X-ray measurements taken from different angles to produce cross-sectional images of specific areas of a scanned object.

Stent-graft

A tube composed of fabric supported by a metal mesh, used to repair damaged or diseased blood vessels.

Balloon Angioplasty

A medical procedure to open narrowed or blocked blood vessels of the heart using a balloon catheter.

Thrombolysis

The breakdown of blood clots by pharmacological means, often used in treating certain types of strokes and heart attacks.