The medial concavity of the kidney is called the ________, which admits the renal nerves, blood vessels, lymphatic vessels, and ureter
A) hilum B) cortex C) medulla D) capsule E) corpuscle
A
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To account for their effects on osmotic pressure, the concentration of electrolytes is often expressed in
A. moles. B. moieties. C. milliequivalents per liter. D. moles per liter. E. milliliters.
Which one of the following best describes the order of a somatic reflex?
A. Somatic receptor ? interneuron ? afferent nerve fiber ? efferent nerve fiber ? skeletal muscle B. Somatic receptor ? efferent nerve fiber ? interneuron ? afferent nerve fiber ? skeletal muscle C. Somatic receptor ? afferent nerve fiber ? interneuron ? efferent nerve fiber ? skeletal muscle D. Somatic receptor ? efferent nerve fiber ? afferent nerve fiber ? interneuron ? skeletal muscle E. Somatic receptor ? afferent nerve fiber ? interneuron ? efferent nerve fiber ? smooth muscle
Endomysium is a delicate network of loose connective tissue that
A. separates individual muscles. B. penetrates muscle fibers. C. surrounds each muscle fiber. D. forms a sheath around a fascicle. E. is composed of elastic fibers.
Which of the following represents the complete chemical reaction for the bicarbonate buffer system?
A. CO2 + H2O 
HCO3- + H+
B. CO2 + H2O 
H2CO3 
HCO3- + H+
C. H2CO3 
HCO3- + H+
D. CO2 + H2O 
HCO3- + H+ 
H2CO3
E. H2CO3 
CO2 + H2O 
HCO3- + H+