ATI Teas Exam Prep - Digestive System
(Questions And Answers) 2026/2027
Paratoid Salivary Gland - Correct Answer-Largest gland, in which its secretion's are
carried by the paratoid duct. The paratoid duct holds almost entirely salivary amylase.
Submandubular Gland - Correct Answer-Secretions consist mostly of mucin and
salivary analyze. Secretions enter mouth by the submandibular duct.
Sublingual Gland ` - Correct Answer-Smallest gland, in which its secretions are ,mainly
mucus. No salivary amylase.
How long is the gastrointestinal tract? - Correct Answer-8 - 9 meters long. Starts at the
mouth and ends at the anus.
Lipase + Amylase - Correct Answer-Begins chemical digestion of lipids and starches.
Hormones play a vital role in digestion as they... - Correct Answer-1. Cause secretions
necessary for digestion.
2. Stimulates muscle contractions and relaxation to move digestive matter through the
small intestine.
3. Regulates flow of water and electrolytes between the digestive system and blood
stream.
4. Increases blood flow for the absorption of nutrients.
Types of Hormones in Digestive System... - Correct Answer-Gherlin: Stimulates
appetite
Leptin: Inhibits hunger
Insulin: Causes the storage of glucose
Glucagon: Stimulates the breakdown of stored glucagon.
The stomach has four layers of tissue... - Correct Answer-Mucosa: Innermost layer.
Secretes digestive enzymes and hydrochloric acid through the help of gastric pits. Helps
protect the stomach from its own digestive enzymes.
Submucosa: Located around the mucosa. Made up of connective tissue and contains
nerves and blood vessels.
