A single smooth muscle contraction may last as long as 3 seconds
Indicate whether the statement is true or false
T
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Injury to the visual cortex of the right occipital lobe can cause
A. partial blindness in the right eye only. B. total blindness in both eyes. C. total blindness in the left eye only. D. partial blindness in both eyes.
Which of the following changes does not occur during exercise compared to rest?
A) Cardiac output is higher. B) Heart blood flow is higher. C) Skin blood flow is lower. D) Abdominal viscera blood flow is lower. E) Kidney blood flow is lower.
The outermost wall of an artery or vein is called the ________ and in large arteries and veins contains the ________.
A. tunica media; smooth muscle B. tunica externa; valves C. tunica intima; endothelium D. tunica intima; basement membrane E. tunica externa; vasa vasorum
In the spinal cord, the gray matter is arranged into ________ and the white matter is arranged into ________.
A. horns; funiculi B. tracts; funiculi C. columns; horns D. funiculi; tracts