The part of the hemoglobin molecule that directly interacts with oxygen is:
the sodium ion
the iron ion
globin
the porphyrin
none of the choices are correct
the iron ion
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What is the Frank-Starling effect, and why is it important during periods of increased end-diastolic volume? What would happen if the Frank-Starling effect didn't exist?
What will be an ideal response?
Robert has an enteropathogenic E. coli infection resulting in severe diarrhea for 2 days. This could produce which of the following:(1) Acidosis(2) Alkalosis(3) Increased respiration(4) Decreased respiration(5) Increased ADH secretion(6) Increased renin secretion(7) Increased urine concentration
A. 1, 4, 5, 7 B. 1, 3, 5, 6, 7 C. 1, 3, 6 D. 2, 4, 5, 6, 7 E. 2, 4, 5, 7
Which of the following is a synovial joint?
A. Intervertebral disk B. Epiphyseal plate C. Atlantooccipital D. Tibiofibular joint E. Costosternal joint
As it is leaving the kidney, blood passes directly from the arcuate vein to the
A. interlobular vein. B. segmental vein. C. renal vein. D. interlobar vein. E. vasa recta.