Digestive System Quiz

What is the primary function of the pharynx in the digestive system?

• To produce digestive enzymes

• To serve as a common pathway for food and air

• To absorb nutrients

• To store food temporarily

Which subsection of the pharynx is located near the mouth?

• Laryngo pharynx

• Oro pharynx

• Esophageal pharynx

• Naso pharynx

What distinguishes a physiological sphincter from an anatomical sphincter?

• It is visible externally

• It is located in the brain

• It disappears after death

• It is made of bone

Where is the esophagus located in relation to the trachea?

• Behind the trachea

• In front of the trachea

• Below the trachea

• Above the trachea

Through which structure does the esophagus pass to reach the stomach?

• Duodenal Loop

• Esophageal Hiatus

• Cardiac Orifice

• Pyloric Sphincter

What is the first phase of swallowing called?

• Gastric phase

• Esophageal phase

• Bucal phase

• Involuntary phase

What role does the epiglottis play during swallowing?

• It secretes saliva

• It blocks the windpipe

• It grinds the food

• It absorbs nutrients

What is the term for the rhythmic contraction of smooth muscle that moves food down the esophagus?

• Peristalsis

• Digestion

• Absorption

• Mastication

How long does it typically take for liquids to reach the stomach compared to solids?

• 3 to 6 seconds faster

• Twice as long

• 3 to 6 seconds slower

• At the same time

What is the function of the lower esophageal sphincter?

• To absorb nutrients

• To regulate the passage of food into the stomach

• To produce digestive enzymes

• To prevent food from entering the trachea