Digestive System

Which organ is part of the alimentary canal?

• teeth

• pancreas

• stomach

• liver

Tags

NGSS.MS-LS1-7

Which organ is an accessory organ?

• mouth

• pharynx

• stomach

• gallbladder

Deglutition is to ___ as mastication is to ___.

• swallowing; chewing

• salivating; swallowing

• swallowing; salivating

• chewing; salivating

Salivary amylase is an enzyme that breaks down ___ in the ___.

• fats; mouth

• carbs; mouth

• proteins; mouth

• carbs; stomach

True or False: Deglutition is a voluntary action.

• True

• False

The involuntary, wave-like muscle contractions that move food in the correction direction in the digestive tract is referred to as:

• chyme

• deglutition

• peristalsis

• voluntary waves

Select the enzymes that are active in the stomach.

• carboxypeptidase

• lingual lipase

• pancreatic lipase

• pepsin

• pepsinogen

What causes GERD?

• increased production of HCl in the stomach

• improper function of the gastroesophageal sphincter

• Both A and B

• Neither A nor B

Which of the following is NOT a reason the gastric juices of the stomach are so acidic (low pH)?

• kills bacteria

• activates trypsin

• activates pepsin

• chemically digests proteins

Select the function(s) of the villi.

• increase surface area available for absorption

• contains lacteals for absorption of lipid monomers

• contains capillary beds for absorption of polymers

• contains capillary beds for absorption of monomers