The capillaries of the brain have tight slit junctions, preventing toxins and chemicals, including drugs, from easily passing into the brain. This obstacle is referred to as the ____ barrier.
A. blood-spine
B. brain-spine
C. blood-lymph
D. blood-brain
Answer: D
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Normally, room air FiO2 of ____ provides more than enough oxygen to well oxygenate all of the body's cells even under extreme physical stress.
A. 11% B. 21% C. 31% D. 41%
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Name 2 muscles that have an intraarticular attachment.
What will be an ideal response?
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A(n) ______________________________ is a dentist who specializes in straightening teeth
Fill in the blank(s) with correct word
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At what point in development does blood begin to flow?
A) immediately after delivery B) immediately preceding delivery C) around the third week D) two days after conception
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