What is the function of the lesser omentum?
A) stabilizes the position of the stomach and provides a route for structures entering or leaving the liver
B) locks the small intestine and pancreas with the posterior abdominal wall
C) provides padding and protection across the anterior and lateral surfaces of the abdomen
D) suspends the small intestine
E) suspends the large intestine
Answer: A
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You are working for an educational video company and you've been asked to go to the hospital imaging center to obtain video of segmentation. The imaging center technician asks you where in the GI tract she should image and when during digestion? You tell her that to obtain the best video of segmentation she should record
A. the small intestine as chyme moves past the pyloric sphincter. B. the esophagus during swallowing. C. the stomach during digestion of a meal. D. the large intestine during fecal compaction.
The main function of tonsils is to detect and protect against infections agents that are
A. in the blood. B. in the lymph. C. ingested or inhaled. D. secreted by salivary glands.
During a cross-bridge cycle in skeletal muscle,
a. the cross bridge is energized when it splits ATP into ADP and P b. the cross bridge must bind with ATPase before a power stroke will occur c. Ca2+ causes tropomyosin to move off of the myosin's actin-binding sites d. ADP binds to the cross bridge at the end of the power stroke e. both a and b occur
Which of the following is NOT a function of the digestive system?
A. Movement of nutrients to the cells B. Elimination of indigestible wastes C. Absorption of nutrient molecules D. Ingestion of food