Within the medulla oblongata, heart rate and force of contraction are regulated in the
A) cardiac centers.
B) decussation of the pyramids.
C) ascending tracts of white matter.
D) olivary nuclei.
E) nucleus cuneatus.
A) cardiac centers.
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Surface tension of an aqueous solution is generated by the presence of _____ between water molecules
a) covalent bonds b) ionic bonds c) hydrogen bonds d) ester links e) None of these choices.
During starvation, steroid hormones trigger the transcription of genes for lipid metabolism in their target cells. This would be an example of control by
A) positive feedback. B) repressors. C) alternative splicing. D) negative feedback. E) inducers.
Which of the following is not a function of the hypothalamus?
A. Regulation of body temperature B. Production of hormones C. Control of postural reflexes D. Control of hunger and thirst
When the kidney goes into failure, one of the signs that doctors will see is that red blood cells will crenate (shrivel up). Why does this happen in kidney failure? What process is occurring to the blood cells?
What will be an ideal response?