Teas 7 Gastrointestinal System Exam -Questions with Correct
Answers/ Verified/ Latest Update (2024/2025)
function - ✔✔Food breakdown for body distribution , mechanical and chemical (enzymatic)
digestion, blood vessels absord the digested nutrients and smooth muscle is under
parasympathetic NS control
Mouth - ✔✔Mastication (chewing) beings with saliva (amylase) and the tongue forms a
bolus which is a ball of chewed food that has been swallowed (deglutition)
Eppiglottis - ✔✔Closes the opening down to the trachea and allows food into the esophagus
Peristalsis - ✔✔Involuntary waves of muscle contraction that allow bolus moving along in
one direction through the digestive system.
Enzymes - ✔✔Salivary amylase and salivary lipase
gastric sphincter - ✔✔Open to allow food in stomach and prevent back flow (reflux)
Pepsin - ✔✔An enzyme present in gastric juice that begins the hydrolysis of proteins
enzyme secretion - ✔✔prevent damage from or cause damage to the host cells
pepsinogen - ✔✔Chief cells
Mucus - ✔✔goblet cells
hydrochloric acid - ✔✔parietal cells
Enzymes in the digestive system - ✔✔Pepsinogen, gastric lipase, hydrochloric acid
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