The muscle at the distal end of the stomach (at the entrance to the duodenum):
A. pharynx
B. uvula
C. villus
D. pyloric sphincter.
Ans: D. pyloric sphincter.
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An electrocardiogram is usually abbreviated as ECG, but sometimes also as:
a. EC b. EG c. ECM d. EKG e. ELC
As the filtrate passes through the rest of the nephron, tubular reabsorption and tubular secretion convert it to:
A) salt. B) water. C) urine. D) glucose.
In the body, the ________________________________________, also known as the inguinal area, is the lower region of the abdomen adjacent to the thigh
Fill in the blank(s) with correct word
What mechanisms are responsible for producing concentrated urine?
a. The juxtamedullary nephrons becoming active. b. The countercurrent mechanism pulls out much water. c. Vasopressin promotes more water reabsorption in distal tubule. d. Both b and c e. None of the above.