Cells of the central nervous system that control capillary permeability are:
a. astrocytes
b. afferent neurons
c. oligodendrocytes
d. microglia cells
Answer: a. astrocytes
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The two superior receiving chambers of the heart are known as the ________, while the two inferior discharging chambers of the heart are known as the ________
A) ventricles; atria B) atria; ventricles C) arteries; veins D) veins; arteries
A function of tropomyosin is
a. to bind Ca2+ b. to form attachments with myosin cross bridges c. to prevent myosin cross bridges from attaching to the thin filaments d. to act as an ATPase e. none of the above
122. The development of hypoxia can limit the effectiveness of respiratory compensation for metabolic
A. acidosis. B. alkalosis.
The presence of blood in the urine is known as ________.
Fill in the blank(s) with the appropriate word(s).