Question

1. the opening between the stomach and duodenum has a ring of muscles known as the: ileocecal sphincter anal sphincter pyloric sphincter cardiac sphincter 10. describes the grinding of teeth. dysplasia bruxism caries parulis

Explanation:

• For question 9, the pyloric sphincter is the ring - like muscle between the stomach and duodenum. The ileocecal sphincter is between the ileum and cecum, the anal sphincter is at the anus, and the cardiac sphincter is between the esophagus and stomach.
• For question 10, bruxism is the medical term for teeth - grinding. Dysplasia refers to abnormal cell growth, caries are tooth decay, and parulis is a gum boil.

Answer:

1. C. pyloric sphincter
2. B. bruxism