Portage A&P1 L3 Exam Questions and
Correct Answers/ Latest Update / Already
Graded
List the 5 stages of digestion
Ans: Ingestion, Digestion, Absorption, Compaction, Defecation
True or False: The esophagus is considered a primary organ of the GI
tract.
Ans: True
True or False: The tongue is considered a primary organ of the GI tract.
Ans: False
True or False: Mechanical digestion in the mouth is carried out by way
of salivary amylase.
Ans: False (carried out by teeth)
What is the function of the structure pictured above specified by the
pointer?
All rights reserved © 2025/ 2026 |
, Page |2
Ans: The function of the epiglottis, which is pictured above, is
to prevent food from entering the airway upon swallowing.
Identify the structure in the picture above, specified by the pointer,
then describe its relationship to the trachea using anatomical
terminology.
Ans: The esophagus, pictured above, runs posterior ly to the
trachea
Identify the sphincter pictured above (specified by the arrow and
highlighted in blue) and describe its function.
Ans: The pyloric sphincter regulates the passage of food from
the stomach to the small intestine. It keeps food fro m flowing
back into the stomach.
Identify the structure in the above picture, specified by the arrow, and
describe its function.
Ans: Gastric rugae increase surface area of the stomach
allowing it to expand when food enters.
Which of the following statements is FALSE regarding the structure
pictured above, specified by the pointer.
All rights reserved © 2025/ 2026 |