This figure shows a renal corpuscle. The two structures indicated by numbers 3 and 4 collectively form the
A. juxtamedullary junction.
B. macula densa.
C. corticomedullary junction.
D. juxtaglomerular apparatus.
E. vasa recta.
Answer: D
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All of the following are bones of the wrist EXCEPT the ________
A) medial cuneiform B) scaphoid bone C) trapezium D) hamate
When a person is at rest, approximately ____ percent of his/her blood volume is in systemic veins and venules.
A) 60% B) 15% C) 12% D) 8%
Which of the following is greater?
A) the concentration of solute in the filtrate at the beginning of the nephron loop B) the concentration of solute in the filtrate at the bottom of the nephron loop C) The concentrations at the top and bottom are identical.
What is the reflex that helps an infant hold on to the nipple and swallow?
A) rooting reflex B) nursing reflex C) sucking reflex D) peristaltic reflex E) fetal reflex