The longest portion of the small intestine is the
A) cecum.
B) appendix.
C) ileum.
D) jejunum.
E) duodenum.
C) ileum.
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Answer the following statements true (T) or false (F)
1. The wall of the stomach is unique wall because it contains two muscle layers rather than one. 2. When the stomach is empty, its lining lies in folds called chyme. 3. The body of the stomach is the enlarged portion of the stomach that is to the left and above where the esophagus opens into the stomach. 4. The pyloric sphincter regulates the movement of food from the stomach into the small intestine. 5. Plicae and villi increase the surface area of the inner wall of the small intestine.
The kidneys:
a. lie medial to the backbone b. are retroperitoneal c. are in the peritoneum d. both A and B above
Metabolism of hormones always results in their inactivation
Indicate whether the statement is true or false
What is true about the renal processes for making urine?
A) Filtration occurs only in the glomerular capsule, reabsorption occurs only in the proximal convoluted tubule, and secretion occurs only in the proximal convoluted tubule. B) Reabsorption occurs only in the proximal convoluted tubule. C) Filtration occurs only in the glomerular capsule. D) Secretion occurs only in the proximal convoluted tubule.