A 60-year-old woman has a resting heart rate of 70 beats/min, arterial pressure is 130/85 mm Hg, and body temperature is normal. Her pressure-volume diagram of the left ventricle is shown above.

What is her cardiac output in milliliters per minute?

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#Question id: 11690

#Unit 7. System Physiology – Animal

Some cells secrete chemicals into the extracellular fluid that act on cells in the same tissue. Which of the following refers to this type of regulation?

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#Question id: 8685

#Unit 9. Diversity of Life Forms

Which of the following would be most useful in creating a phylogenetic tree of a taxon?

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#Question id: 3923

#Unit 3. Fundamental Processes

The transcription of __ RNA accounts for most of the transcriptional activity of a cell.

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#Question id: 19896

#Unit 12. Applied Biology

Which one of the following sensors measures O2 concentration?

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#Question id: 1915

#Unit 4. Cell Communication and Cell Signaling

Of the following, which is the cadaveric organ with the best survival 5-years post-transplant?