Which of the following statements applies to the ileocecal sphincter?
A. Cecal distention enhances relaxation of this sphincter.
B. Closure of this sphincter inhibits absorption in the small intestine.
C. Peristaltic contractions reaching this sphincter cause it to relax.
D. This sphincter is usually relaxed.
E. This sphincter stays contracted.
C
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Blood vessels enter the diaphysis of a long bone through an opening called the _________ foramen
Fill in the blank with correct word.
Adductor muscles are controlled by the ________ nerve.
Fill in the blank(s) with the appropriate word(s).
Considering the arterial supply to the brain, the basilar artery immediately gives rise to the ________ arteries.
A) vertebral B) anterior cerebral C) external carotid D) internal carotid E) posterior cerebral
In a person with respiratory acidosis, HCO3- is actively secreted into the urine by the tubular cells
Indicate whether the statement is true or false.