When ________, blood flows passively into the atria and then passively into the ventricles.
A. the atria contract and the ventricles relax
B. the atria relax and the ventricles contract
C. both the atria and the ventricles relax
D. both the atria and the ventricles contract
Answer: C
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Cytokinesis
A) completes the process of mitosis. B) usually begins after telophase. C) separates the daughter cells after mitosis. D) is the last phase of mitosis. E) All of the answers are correct.
Some neurons within the basal nuclei are known to
A) stimulate neurons with GABA. B) inhibit neurons with GABA. C) stimulate neurons with acetylcholine. D) stimulate neurons with GABA and stimulate neurons with acetylcholine. E) inhibit neurons with GABA and stimulate neurons with acetylcholine.
Cytokines have a _____ half-life and exert influence on ________________
A. long; immune cells only. B. long; immune and non-immune cells. C. short; immune cells only. D. short; immune and non-immune cells.
Filtration does not occur within
a. the kidney's cortex b. cortical nephrons c. juxtamedullary nephrons d. the juxtaglomerular apparatus e. a or b