The fibrous sac surrounding the kidney is called the ________
A) renal capsule
B) renal hilum
C) adipose capsule
D) renal cortex
A
Explanation:
B) The renal hilum is the concave medial surface of the kidney where the renal artery, the renal vein, and the ureter enter the kidney.
C) Each kidney is padded by perirenal fat that constitutes the adipose capsule.
D) The renal cortex is the outer portion of the kidney.
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Intracellular fluids have high concentrations of
A. sodium and phosphate ions. B. potassium and phosphate ions. C. sodium and chloride ions. D. chloride and potassium ions.
The structures responsible for distributing excitation to the contractile cells are
A) contractile cells. B) conducting cells. C) intercalated cells. D) pacemaker cells. E) intermodal cells.
This figure shows a renal corpuscle. The two structures indicated by numbers 3 and 4 collectively form the
A. macula densa. B. juxtaglomerular apparatus. C. corticomedullary junction. D. juxtamedullary junction. E. vasa recta.
Cleavage involves a series of ________ divisions and __________ in the overall size of the conceptus
A. meiotic; an increase B. meiotic; no change C. meiotic; a decrease D. mitotic; no change E. mitotic; an increase