GASTROINTESTINAL ACTUAL TEST PAPER 2026 QUESTIONS AND SOLUTIONS GRADED A+

GASTROINTESTINAL ACTUAL TEST PAPER
2026 QUESTIONS AND SOLUTIONS
GRADED A+

●● What system controls the GI system?
Answer: the parasympathetic nervous system


●● What are the four organs of the GI system that are responsible for
ingestion?
Answer: mouth, salivary glands, pharynx, and esophagus


●● What three organs are responsible for absorption of nutrients?
Answer: stomach, small intestine, and large intestine


●● The mouth is where food is broken down. What enzyme helps in the
chemical breakdown that is secreted by the salivary glands?
Answer: amylase


●● The function of the epiglottis is to:
a. Break down food particles
b. Digest food
c. Block off the tracheal tube

, d. Aid in peristalsis
Answer: c


●● THe esophagus performs ____ to propel food.
Answer: peristalsis


●● What is the pH of the stomach?
Answer: pH= 2


●● After the breakdown in the stomach, the acidic mixtures becomes
____.
Answer: chyme


●● ABSORPTION: What are nutrients used for?
Answer: for energy and as building blocks for larger complex chemicals


●● What are the two components of metabolism? Explain each.
Answer: anabolism is the act of building molecules while catabolism is
that act of breaking down molecules to release energy


●● Where does most of the absorption occur in our digestive tract?
Answer: smal intestines