The bony thorax does not include the
A. sternum.
B. ribs.
C. clavicle.
D. scapula.
E. All of the above are included.
Answer: D
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Histones are found in
A) nucleosomes. B) proteasomes. C) lysosomes. D) vesicles. E) endosomes.
Erythropoiesis is stimulated when
A) oxygen levels in the blood increase. B) carbon dioxide levels in the blood decrease. C) blood flow to the kidney declines. D) coagulation begins. E) blood pressure increases.
Oxygen-poor blood passes through the _________.
A. right AV (tricuspid) and pulmonary valves B. right AV (tricuspid) valve only C. left AV (mitral) and aortic valves D. left AV (mitral) valve only E. pulmonary and aortic valves
A condition in which stimuli occur so rapidly that there are no intervening relaxations between contractions is called
A. complete tetanus. B. all or none tetanus. C. incomplete tetanus. D. treppe. E. involuntary paralysis.