If someone has a blood pressure reading of 110/70 mm Hg, their pulse pressure would be
A. 110 mm Hg.
B. 70 mm Hg.
C. 40 mm Hg.
D. 180 mm Hg.
E. 90 mm Hg.
C
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Collections of axons in the CNS that have a common origin and destination are called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following represents the overall reaction for aerobic respiration?
A. C6H12O6 + 6 H2O ? 6 CO2 + 6 O2 B. C6H12O6 + 6 O2 ? 6 CO2 + 6 H2O C. 6 CO2 + 6 H2O ? C6H12O6 + 6 O2 D. 6 O2+ 6 H2O ? C6H12O6 + 6 CO2 E. C6H12O6 + 6 CO2 ? 6 O2 + 6 H2O
What causes the opening and closing of the heart valves?
A. The action of the papillary muscles and chordae tendineae B. A pressure difference on the two sides of the valve C. Turbulent flow in the atria and ventricles D. Na+ and K+ fluxes during ventricular depolarization E. Stimulation by the sympathetic and parasympathetic nerves
Which level consists of related organs that work to achieve a common function?
A. Chemical level B. Tissue level C. Organ system level D. Cellular level E. Organ level