Mr. Hazzard learned that ibuprofen, his favorite analgesic, decreases mucus in the stomach. He asks, "Why should I care about mucus in the stomach?"

The venous drainage of the small intestine is through the: A) Duodenal- jejunal vein B) Inferior vena cava C) Duodenal-jejunal-ileal vein D) Hepatic portal Vein E) Hepatic Vein

Fred has been experiencing recurring episodes of heartburn, especially when he bends over to lace his shoes or when he lies down in bed. His physician believes Fred may have a hiatal hernia. To confirm this diagnosis, she has scheduled Fred for a “barium swallow.” In this test, a barium-containing fluid that blocks x-rays is swallowed so that the stomach appears as a bright mass in a radiograph. If Fred has a hiatal hernia, what should the radiologist see on the radiograph? Can you explain what caused the symptoms that brought Fred in to see his physician?

The internal anal Sphincter: A) Is paradoxically cardiac muscle and is the only place other than the heart that cardiac muscle is found B) Is skeletal muscle C) None of these D) Is mixed smooth and skeletal muscle E) Is smooth muscle