Which type of muscle tissue has the ability to self-stimulate, meaning it requires no nerve stimulus for contraction?
A. Smooth
B. Cardiac
C. Skeletal
D. None of the answers are correct
Answer: B
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Which vein receives blood from the pancreatic veins, short gastric veins, and the right gastroepiploic vein?
A. Inferior mesenteric vein B. Posterior mesenteric vein C. Hepatic portal vein D. Hepatic veins E. Splenic vein
The symptoms of constipation (e.g., abdominal discomfort, headache, and nausea) are due to which of the following?
a. inhibition of gastric emptying. b. absorption of toxins of bacterial origin from the colon. c. prolonged distention of the large intestine by the fecal mass. d. exhaustion due to frequent straining movements in an effort to initiate the defecation reflex. e. the accumulation of large amounts of fluid in the colon.
The ____________________ is the basic structural and functional unit of the kidney.?
Fill in the blank(s) with correct word
Juxtaglomerular nephrons __________.
produce little urine produce concentrated urine account for 85 percent of all nephrons do not produce urine