Which of the following controls the release of bile into the duodenum?
A. The hepatopancreatic sphincter
B. The gastroesophageal sphincter
C. The pyloric sphincter
D. The biliary valve
E. The ileocecal valve
A. The hepatopancreatic sphincter
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Which statement about the female pelvis is false?
A. The sacrum is wider than in males. B. The greater sciatic notch is narrower than in males. C. The pubic arch (subpubic angle) is usually greater than 100 degrees. D. The pelvic outlet is larger. E. The pelvis is generally less massive with smoother surfaces.
The vessels that permit exchange of materials between the blood and the surrounding interstitial fluid are called
A) capillaries. B) arterioles. C) arteries. D) venules. E) veins.
Match the appropriate characteristic with the type of immunity.A. Innate immunityB. Antibody-mediated immunityC. Cell-mediated immunityD. Both antibody-mediated and cell-mediated immunityE. Innate immunity, antibody-mediated immunity, and cell-mediated immunityB cells
Fill in the blank(s) with the appropriate word(s).
Which of the four tissue membranes is relatively waterproof and usually dry?
A) synovial B) mucous C) serous D) cutaneous