Which organ systems rely heavily on smooth muscle sphincters?
A. Digestive
B. Urinary
C. Skeletal
D. Lymphatic
Ans:
A. Digestive
B. Urinary
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The term "retroperitoneal" may be used to describe the location of certain abdominal organs. This means that such organs are located
A. deep to the visceral peritoneum. B. between the visceral and parietal layers of the peritoneum. C. between folds of the parietal peritoneum. D. in the peritoneal cavity. E. posterior to the parietal peritoneum.
Open-heart bypass surgery, to replace obstructed vessels that feed the heart with oxygenated blood, requires a long incision cut down the breastbone. The ribs are then spread to work on the heart. This incision is along the ________ plane.
A) frontal B) coronal C) transverse D) sagittal E) oblique
Sodium ions and calcium ions are examples of
A) cations. B) uncharged particles. C) salts. D) anions.
What is a main function of the myenteric plexus?
A. It controls glandular secretion of the mucosa. B. It sends sensory information to the CNS through glossopharyngeal nerves. C. It stimulates bile production in the liver. D. It controls glandular secretion of the pancreas. E. It controls peristalsis.