The blood vessels at the boundary of the cortex and medulla of the kidney are the
A) cortical radiate artery and vein.
B) segmental artery and vein.
C) interlobar artery and vein.
D) glomerular artery and vein.
E) arcuate artery and vein.
E) arcuate artery and vein.
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In which of the following situations would the end-systolic volume (ESV) be the greatest?
A) when sympathetic stimulation of the heart is increased B) when parasympathetic stimulation of the heart is increased C) when stroke volume is increased D) when the intracellular stores of calcium are increased E) when the force of myocardial contraction is increased
When observing a slide of the renal medulla, it an be seen that most of the medulla consists of
A. cross sections of proximal and distal convoluted tubules. B. longitudinal sections of nephron loops and collecting ducts. C. renal corpuscles. D. glomeruli. E. a mixture of all of these structures.
The cortex of the long bone's diaphysis is made of ________
A) articular cartilage B) spongy bone C) dense regular connective tissue D) marrow E) compact bone
Which of the following joints is multiaxial?
A. The coxal joint B. A condylar joint C. The proximal radioulnar joint D. A hinge joint E. The trapeziometacarpal joint