Which of the following specific muscles play a major role in maintaining fecal continence?

A 72-year-old man comes to his physician for an annual checkup. Which of the following structures is most readily palpated during rectal examination?

Which of the following is not typically considered to be an accessory digestive organ?

Which of the following tissues directly line the uterine cavity?

Which of the following spinal nerve dermatomes is best associated with the level of the umbilicus?

A herniation of the intestines through a weakness in the anterior abdominal wall, lateral to the inferior epigastric vessels, would result in which of the following types of hernias?

A woman with a ruptured ectopic pregnancy is admitted to the hospital for a culdocentesis. A long needle on the syringe is most efficiently inserted through which of the following areas to withdraw tissue fluid from the peritoneal cavity for diagnostic purposes?

Which of the following nerves is responsible for the motor component of the cremasteric reflex?

A woman is involved in an automodile accident and fractures a rib. The fractured rib causes bleeding into the pleural cavity and results in what type of pulmonary collapse?

Which of the following locations is the best place to listen for left atrioventricular valve defects?