Digestive UPDATED ACTUAL Exam
Questions and CORRECT Answers
What is a source of complex carbohydrates?
a. Eggs
b. Syrup
c. Milk
d. Legumes - CORRECT ANSWER - d. Legumes
What do animal sources of protein have that plant sources of protein do not? - CORRECT
ANSWER - Essential amino acids
What is a source of protein?
a. Fruit
b. Soy
c. Wheat - CORRECT ANSWER - b. Soy
Why is insoluble fiber helpful in a diet? - CORRECT ANSWER - Increases stool bulk to
reduce transit time of food through the digestive tract
What is a function of lipids in a diet? - CORRECT ANSWER - Make hormones and surround
nerves
What is a characteristic of unsaturated fats? - CORRECT ANSWER - Liquid at room
temperature
What are 2 major functions of the pancreas? - CORRECT ANSWER - 1. Produces insulin and
glucagon to control blood sugar levels.
, 2. Secretes digestive enzymes to break down macronutrients.
What are 2 functions of the peritoneum? - CORRECT ANSWER - 1. Anchors intestines to the
abdominal wall.
2. Prevents friction between the abdominal organs.
Which process occurs throughout most of the alimentary canal? - CORRECT ANSWER -
Propulsion
Which organ of the digestive system mixes and churns food with the gastric juices to form
chyme? - CORRECT ANSWER - Stomach
What is the function of saliva? - CORRECT ANSWER - Assists in the taste sensation
What is the correct path that food takes through the large intestine? - CORRECT ANSWER -
Cecum, ascending colon, transverse colon, descending colon, sigmoid colon
Which cells of the stomach secrete digestive hormones? - CORRECT ANSWER -
Enteroendocrine cells
What is a function of the upper esophageal sphincter? - CORRECT ANSWER - Allows food
bolus to pass from the pharynx into the esophagus
What is the goal of peristalsis? - CORRECT ANSWER - Propel bolus or chyme along the
digestive tract
What happens during the buccal phase of deglutition? - CORRECT ANSWER - A single food
bolus is formed