The partial pressure of oxygen in the pulmonary veins is
a. about 40 mmHg
b. equivalent to alveolar partial pressure
c. dramatically different than pulmonary arteries partial pressure
d. equivalent to the partial pressure of oxygen in the arteriolar ends of systemic capillaries
e. all of the above
E
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A) intermediate filaments. B) myofibrils. C) microtubules. D) microfilaments.
Repaying the oxygen deficit after strenuous exercise involves
a. formation of lactate in the muscle cells b. replenishing stores of creatine phosphate and glycogen c. unloading oxygen from myoglobin d. all of the above e. both b and c
The figure illustrates the joints and bones of the rib cage. What does "A" represent?
A. costochondral joint B. sternum C. manubrium D. sternal symphyses E. sternocostal synchrondrosis
The juxtaglomerular apparatus is located
A. within the renal sinus. B. near the vascular pole of the renal corpuscle. C. in the perinephric fat. D. inside the tubular pole of the glomerulus. E. in the renal papilla.