An important function of the spleen is to destroy and remove worn out red blood cells
?
Indicate whether the statement is true or false
True
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The epithelial cells that form the inner lining of the small intestine
A. remain where they are first formed. B. are replaced every few days. C. are not able to reproduce. D. are cube-shaped.
The sense of sight can be classified as a:
a. proprioceptor b. chemoreceptor c. thermoreceptor d. photoreceptor
How does a rightward shift in the oxygen hemoglobin dissociation curve affect hemoglobin's affinity to oxygen?
A. Increase B. No change C. Decrease
In a diagnostic test, a gastroenterologist uses an endoscope to deliver a bolus of dilute acid into the distal esophagus
The bolus is sufficient to cause esophageal dilatation. In a normal individual, the bolus will be cleared from the esophagus predominantly by which of the following? A. primary peristalsis B. swallowing C. secondary peristalsis D. relaxation of the upper esophageal sphincter E. receptive relaxation F. gravity