A(n) ____________________ is the alternating expansion and contraction of an artery as blood flows through it.?
Fill in the blank(s) with correct word
pulse
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Blood banks dispose of blood that has low levels of bisphosphoglycerate. What would be the probable reason for doing so?
A) Erythrocytes low in BPG do not unload CO2 very well. B) A low BPG level causes acidosis of blood. C) A decline in BPG level is accompanied by a decline in hemoglobin level. D) Erythrocytes low in BPG do not load O2 very well. E) Erythrocytes low in BPG do not unload O2 very well.
The gray commissure of the spinal cord surrounds the central canal.
Answer the following statement true (T) or false (F)
Peripheral receptors stimulate the respiratory areas resulting in
A. passive exhalation. B. increased respiratory rate. C. respiratory collapse. D. decreased respiratory rate.
Muscle fiber types may be termed glycolytic or oxidative in reference to
A) The amount of myoglobin. B) The speed of contraction. C) The metabolic processes. D) The myosin heavy chain isoforms used.